Play Store Not Working On Lava Storm 5G? 8 Solutions Inside | Dr.fone

Play Store Not Working On Lava Storm 5G? 8 Solutions Inside | Dr.fone

Abel Lv11

Play Store Not Working On Lava Storm 5G? 8 Solutions Inside

A functional Google Play Store is crucial for Android users to access, update, and install apps. Unfortunately, common issues like your Google Play Store not working can disrupt this experience. If you find your Play Store misbehaving more often than not, don’t fret.

In this guide, discover reliable solutions when your Google Play Store is not responding. The article will teach you how to tackle these problems and ensure a seamless app experience. Don’t let technical glitches hinder your digital journey—follow these troubleshooting steps for a swift resolution. Explore the page below to learn more.

woman annoyed on phone not working

Part I. 7 Common Google Play Store Issues Users Encounter

The Google Play Store serves as the epicenter for Android users. It facilitates seamless access to a vast array of apps. However, encountering issues with the platform can impact the functionality of your device. Below are 7 common issues on why your Google Play Store is not responding.

alert status problem on mobile device

Inability To Open the Play Store

The inability to open the Play Store leaves you without access to new apps or updates. The issue is often accompanied by error messages, which can leave you scratching your head.

Crashing Issues

Frequent crashes undermine the stability of the Play Store. Users attempting to browse or download apps may find themselves abruptly kicked out of the application. It can disrupt your intended tasks and cause annoyance in the long run.

Not Responding Errors

The dreaded “Not Responding” message can bring usability to a standstill. Users navigating the Play Store may experience delays or complete unresponsiveness. It can lead to a frustrating and unproductive experience.

Download and Installation Failures

When downloads and installations fail, you will be unable to enjoy new apps or updates. This issue can be annoying when trying to access crucial software improvements or security updates.

Authentication and Account Issues

Problems with authentication and account access can lock users out of their Google accounts on the Play Store. It prevents users from purchasing or downloading apps. The issue not only hampers functionality but also raises security concerns.

Update Problems

Difficulties in updating apps can leave users with outdated software. It can potentially compromise security and miss out on new features. The issue diminishes the user experience by depriving you of the latest enhancements.

Connection and Network Errors

Persistent connection and network errors impede the Play Store’s ability to fetch data. It hinders users from browsing and downloading apps. The issue is frustrating in areas with unstable internet connectivity.

Part II. Why Does the Google Play Store Keep Stopping?

If you’re wondering why does Google Play Store keeps stopping on your phone, there can be several factors. Here are some of them below.

man having issues on mobile phone

  • **Network issues.**Unstable or poor internet connections can disrupt the communication between the Lava Storm 5G device and the Play Store. It can lead to frequent crashes.
  • **Outdated Play Store version.**Running an outdated version of the Play Store may result in compatibility issues. The lack of essential updates can cause the application to stop unexpectedly.
  • Cache and data accumulation. Over time, cached data and accumulated data in the Play Store can become corrupted. It can hinder the smooth operation of your phone and contribute to sudden stops.
  • Google account problems. Authentication issues, incorrect credentials, or other problems with the linked Google account can disrupt the Play Store’s functionality. This can also lead to repeated crashes.
  • **System glitches and bugs.**Inherent glitches and bugs within the Android operating system may affect the Play Store’s performance. They can cause your device to stop unexpectedly.

Part III.7 Quick Solutions To Resolve Play Store Not Working Issues

Encountering issues with the Google Play Store can be frustrating. It disrupts your ability to download, update, or access essential apps. Here are seven quick solutions when your Google Play Store unfortunately has stopped.

fixing mobile phone issues vector image

Clear Cache and Data

Revitalize your Google Play Store by addressing performance issues. Clearing cache and data can be a crucial step when troubleshooting malfunctions or glitches in the app. Here’s how.

  • Step 1: Head to your device’s Settings and navigate to Apps or Application Manager.
  • Step 2: Locate and select Google Play Store. Within Storage, choose Clear Cache and Clear Data. Confirm your action and restart the Play Store.

clearing cache and date on android

Update Play Store

Enhance your Play Store’s functionality by ensuring it’s up-to-date. This method suits those who haven’t updated their Google Play Store for a long time. Follow the steps below.

  • Step 1: Open the Play Store app and tap the three horizontal lines in the top-left corner to access the menu.
  • Step 2: Select Settings and scroll down to find the Play Store version. Install any available updates.

updating play store on android

Check Internet Connection

Ensure a stable internet connection on your device. Switch between Wi-Fi and mobile data to identify connectivity issues. Restart your router or modem if problems persist.

Reset App Preferences

Restore your device’s app settings to default for improved functionality. Below are the steps.

  • Step 1: Go to your device’s Settings and select Apps or Application Manager.
  • Step 2: Tap the three dots in the top-right corner and choose Reset app preferences.

resetting app preferences on android

Re-add Google Account

Resolve Play Store issues by re-adding your Google account. Follow these steps in Settings to remove and re-add your Google account, ensuring a seamless and error-free experience.

  • Step 1: Navigate to Settings and choose Accounts or Users & Accounts.
  • Step 2: Select Google and remove the account. Re-add the Google account and verify if the Play Store functions properly.

re-adding google account on android

Uninstall Play Store Updates

This method troubleshoots Play Store problems by uninstalling updates. Here’s how.

  • Step 1: Access Settings and go to Apps or Application Manager.
  • Step 2: Find Google Play Store and tap on Uninstall Updates. Confirm the action and restart the Play Store.

uninstall play store updates on android

Perform a System Update

Ensure your device’s overall stability by performing a system update to ensure the stable operation of the Play Store. Follow the steps below.

  • Step 1: Access Settings, scroll down, and select System or Software Update.
  • Step 2: Next, choose System update or Check for Updates and install any available system updates**.**

perform system update on android

If you’re still asking yourself why my Google Play Store is not opening after conventional methods prove ineffective, it may lead you to explore third-party tools. As a final recourse, considering reputable tools like Wondershare Dr.Fone - System Repair introduces a fresh approach to troubleshooting your device.

Part IV. How To Repair Play Store Not Working With an Alternative

Repairing your Google Play Store can be swift and effective with Dr.Fone - System Repair. This tool offers advanced features to diagnose and fix various system issues without the advanced skills required. It provides a quick and efficient resolution for a malfunctioning Google Play Store. Follow these three simple steps to get started:

  • Step 1: Begin by downloading and installing Dr.Fone - System Repair (Android) on your computer.

safe Download safe & secure

4,207,329 people have downloaded it

  • Step 2: Launch the program and connect your Lava Storm 5G to the computer using a USB cable. Choose the Lava Storm 5G device type and click Start to initiate the repair process.

dr.fone android problems window

  • Step 3: Dr.Foneshould automatically detect the brand of your device. Next, choose the Name, Model, Country, and Carrier. Tick the checkmark and click Next to continue. Follow the on-screen instructions and wait for the repair process to complete.

dr.fone device information window

  • Step 4: Simply click Done on the prompt window displaying a confirmation message to exit the tool if your Lava Storm 5G starts successfully. In the event that the Lava Storm 5G device fails to start, select Try Again to initiate the process once more.

dr.fone repair completed window

Bonus: What Else Can Dr.Fone - System Repair Do?

Beyond its utility in fixing Google Play Store malfunctions, Dr.Fone is known for its user-friendly interface and high success rate. Its ability to address a wide range of Android issues offers a comprehensive solution to various system-related problems. Below are the platform’s key highlights.

dr.fone main window

Key Features

  • Fixes diverse Android issues. Dr.Fone - System Repair excels in resolving a multitude of Android problems. This includes a black screen, a boot loop, and bricked Android devices. Its comprehensive approach ensures you can rely on a single tool to tackle a wide range of system-related issues.
  • Support for over 1000 Android models. Dr.Fone supports over 1000 Android models. The broad coverage ensures diverse devices can use the software to troubleshoot and repair their Android systems.
  • User-Friendly interface. Dr.Fone is designed with simplicity in mind. It offers an easy-to-use interface that caters to both novice and experienced users.
  • High success rate. The software boasts a high success rate in resolving Android issues. Its effectiveness in tackling various problems has garnered trust among users. It’s one of the go-to solutions for those seeking reliable and efficient system repairs.

safe Download safe & secure

4,131,376 people have downloaded it

Conclusion

Addressing issues when your Google Play Store does not work is crucial for an uninterrupted Android experience. Follow the outlined steps to regain control and enjoy a seamless app experience. Don’t let frustrations linger; take immediate action for a hassle-free Google Play Store.

Lastly, having Dr.Fone - System Repair at your side offers a reliable solution for a wide range of Android concerns. Don’t worry if your Google Play store is not responding, and Dr.Fone can fix it in minutes.

[8 Quick Fixes] Unfortunately, Snapchat has Stopped on Lava Storm 5G

Have you ever been deep in conversation with a loved one or friend, taking advantage of all the funny filters and games Snapchat has to offer when you’ve suddenly been presented with the ‘Unfortunately, Snapchat has Stopped’ error code? This is usually followed by the app crashing back to the main menu.

If so, don’t worry; you’re not alone. Snapchat crashing in this way is nothing new, but it can be incredibly annoying when it keeps happening and stops you from enjoying the conversations you care about.

Fortunately, there are plenty of solutions out there to help you out and get the app working again as it should do. Today, we’re going to explore them all to help you get back to what you were doing before and as though there was never a problem.

Part 1. Install Snapchat again from Google Play Store

snapchat not responding - reinstall snapchat

One of the best ways to resolve the Snapchat crashing problem or Snap Map not working issue is to delete the app and reinstall it again. When you’re using your phone, there is data continually flowing around and data being sent here, there, and everywhere.

During these processes, bugs can occur, and if they can’t sort themselves out, the best thing to do is to reset your app and start from a fresh installation. Here’s how to do it.

Step 1: Hold down the Snapchat app from your main menu and press the ‘x’ button to uninstall the app.

Step 2: Open the Google App Store from your device and search ‘Snapchat’ in the search bar. Find the official app page and download the app onto your device.

Step 3: The app will automatically install itself once downloaded. Open the app, sign in to your account using your log-in details, and you should be able to use the app like normal.

Part 2. Check for new Snapchat Updates

snapchat not responding - check for new updates

Hand in hand with the problem above, sometimes a bug can restrict Snapchat from working, or perhaps your personal update settings. If you receive a Snapchat from someone with an upgraded version, this can crash your app.

Here’s how to make sure you’re running the latest version of Snapchat is Snapchat isn’t responding.

  1. Launch the Play Store and navigate to the My Apps and Games page
  2. Tap the Update button
  3. The app will now automatically update to the latest version

Part 3. Wipe the cache of Snapchat

If you have a lot of data in your Snapchat cache, this can cause the app to become overloaded in which you’ll need to clear it to start again and refresh the app. This is a common problem that can cause Snapchat has stopped working error.

Here’s how to fix it.

  1. Open the Snapchat app and tap the Profile icon on the top left-hand side of your screen

    wipe cahce of snapchat crashing - step 1

  2. Tap the Settings gear icon on the top right

    wipe cahce of snapchat crashing - step 2

  3. Scroll down the Settings menu and tap the Clear Cache option

    wipe cahce of snapchat crashing - step 3

  4. Here, you can choose to Clear All, but you can select individual areas if you prefer

    wipe cahce of snapchat crashing - step 4

  5. Tap the Confirm option to clear your cache preference completely

    wipe cahce of snapchat crashing - step 5

Part 4. Fix the system issues that caused Snapchat stopping

If you’re experiencing the Snapchat crashing on Android often, or you’re experiencing similar errors with other apps, this can be an indication that there’s something wrong with your Android operating system.

The best way to fix this is to repair your device using the software known as Dr.Fone - System Repair (Android). This is a powerful repair system that can completely recover your device from any errors, including the Snapchat keeps crashing error.

Dr.Fone - System Repair (Android)

Dedicated repair tool to fix Snapchat crashing on Android.

  • Recover your device from any problem, including black screen or unresponsive screen.
  • Supports over 1000+ unique Android devices, models, and brands.
  • Trusted by over 50+ million customers around the world.
  • Can fully repair faults with your Lava Storm 5G’s firmware in a few simple steps.
  • One of the most user-friendly applications in the world.

3,889,035 people have downloaded it

To help you make the most of this Android repair software and to fix your Snapchat not responding error, here’s a step-by-step guide on how to use it.

Step 1: Download the Dr.Fone - System Repair (Android) software to your computer. Install the software to your Mac or Windows computer by following the onscreen instructions.

Once completed, open the software, so you’re on the main menu.

snapchat crashing -  fix with a tool

Step 2: From the main menu, click the System Repair option, followed by the Android option. Of course, if you have an iOS device you want to repair in the future, the option is there if you want it. Also, connect your Lava Storm 5G to your computer using the USB cable.

snapchat crashing - select option

Step 3: Confirm details.

On the next screen, use the drop-down menus to confirm the model, brand, operating system, and carrier of your device. Click Next to confirm the details are correct.

snapchat crashing - select details

Step 4: You’ll now need to put your phone into Download Mode, sometimes referred to as Recovery Mode. For this, you can follow the onscreen instructions. Make sure your device stays connected to your computer throughout this process.

The method will slightly differ depending on whether your device has a home button, so make sure you follow the right instructions for your individual device.

snapchat crashing - recovery mode

Step 5: Once in Download Mode, the software will now download and install a fresh version of your Lava Storm 5G’s operating system. This can take some time, so make sure your device stays connected, and your computer stays on and doesn’t shut down.

snapchat crashing - download firmware

Step 6: That’s it! Once you see the screen saying your device has been repaired, you’ll be able to close the Dr.Fone - System Repair (Android) software, disconnect your phone, and can start using Snapchat as normal without the Snapchat not responding error coming up!

snapchat crashing - fixed issue

safe Download safe & secure

Part 5. Check for the Android update

snapchat stopping - check for android update

Similar to some of the other solutions we’ve listed above, if you’re using an outdated version of the Android operating system, but the latest version of Snapchat is coded to the most recent, this can be a cause for the Snapchat crashing on Android problem to occur.

Fortunately, it’s easy to check to make sure you’re running the latest version of Android and to download and install the update if you need it. Here’s how, which will help to sort out your Snapchat keeps crashing Android problems.

Step 1: Open the Settings menu on your Lava Storm 5G and select the About Phone option.

Step 2: Tap the ‘Check for Updates’ option. If an update is available, you’ll then have the option to Install Now or Install Overnight. If no update is available, you’ll see a notification stating your device is up to date and no action is needed.

Part 6. Connect to another Wi-Fi

In some cases, you may be trying to connect to a Wi-Fi network that’s not very stable. This may keep cutting the connection to your device, which in turn is causing Snapchat to crash on Android.

To resolve this, you can simply try connecting to another Wi-Fi network or a data plan to see whether this is the problem. If so, changing network and then using the Snapchat app should stop any error messages from occurring.

Step 1: Open the Settings menu on your Lava Storm 5G, followed by the Wi-Fi option.

snapchat stopping - connect to wifi

Step 2: Tap the new Wi-Fi network you’re currently connected to, and then tap the ‘Forget’ option, to stop your phone connecting to it.

snapchat stopping - forget wifi

Step 3: Now tap the new Wi-Fi network you want to connect to. Insert the Wi-Fi security code and connect. Now try reopening and using the Snapchat to see if you can use it.

snapchat stopping - reconnect wifi

Part 7. Stop using the custom ROM

snapchat stopping - stop rom

If you’re running a custom Android ROM on your device, with some versions of the ROM and some apps, you’re going to experience errors simply because of the way the apps and the ROMs are coded and designed.

Unfortunately, there’s no easy fix to this, and if you want to continue using the app, you’ll need to reflash your Lava Storm 5G back to its original firmware, and then wait until the ROM developers update the ROM to be compatible with social apps like Snapchat.

However, this reflashing process is simple thanks to the Dr.Fone - System Repair (Android) software that we listed above. To follow the detailed step-by-step guide, follow the steps on Part 4 of this article, or follow the quick guide instructions below.

  1. Download and install the Dr.Fone - System Repair (Android) software to your computer
  2. Connect your Lava Storm 5G to your Windows computer using the USB cable
  3. Open the software and click the Repair option.
  4. Select the Android device repair option
  5. Make sure your carrier and device information are correct
  6. Put your device into Download Mode by following the onscreen instructions
  7. Allow the software to repair your Lava Storm 5G automatically

Part 8. Reset the factory settings of your Android

snapchat stopping - factory resetting

One of the last resorts you can take is factory resetting your Lava Storm 5G back to its original settings. From the day you first started using your device, you’ve been using the system and downloading files and apps, and over time this increases the chances of creating a bug.

However, by resetting your device to factory settings, you can reset these bugs and get your apps and device working again free from the Unfortunately, Snapchat has stopped error message. Here’s how to factory reset your device.

Make sure you back up your personal files from your device first like your photos and music files because factory resetting your device will clear your device’s memory.

Step 1: Tap the Settings menu on your device and click the Backup and Reset option.

Step 2: Click the Reset Phone option. That’s it! The phone will take several minutes to complete the process, after which your phone will be reset to its original state.

8 Workable Fixes to the SIM not provisioned MM#2 Error on Lava Storm 5G

SIM cards are small chips that act as a connecting medium between your cell phone and your carrier. It is programmed to help your carrier identify your cell phone account with certain information. And eventually, you are enabled to make calls and to make use of mobile internet. Now, if your device is showing “SIM not provisioned” on Android then it signifies that the connection to carrier network cannot be established or perhaps, your carrier isn’t able to identify your cell phone account.

Part 1. Why does the error “SIM not provisioned MM#2” pop up?

There can be numerous reasons behind the pop up that reads “SIM not provisioned” on Android. But basically, it most probably affects the users who have registered a new SIM card. If you get to experience this issue in other situations or if the SIM is not working in Android, then the problem is with the SIM card and needs to be replaced. Anyways, here is a list of situations when the “SIM not provisioned” error may bother you.

  • You got a new SIM card for your new phone.
  • You are transferring your contacts into the new SIM card.
  • In case, the carrier network provider’s authorization server is unavailable.
  • Perhaps, you’re out of the reach of the carrier coverage area and that too, without active roaming agreement.
  • Though new SIM cards work flawlessly. But it is often necessary to get your SIM card activated due to security reasons.

Just in case, you haven’t bought any new SIM card and the one you were using was working fine until now, then the most probable reasons behind it could be listed below:

  • If your SIM card is too old, possibly it might have gone dead, try replacing it.
  • Perhaps, the SIM card was not properly inserted into the slot or there might be some dirt between the SIM and smartphone pins.

A yet another reason could be that your SIM card got deactivated by your carrier provider as it could have been locked to a particular phone. Now, if you insert such a SIM card to another device or a new device even, you may get to witness a message that reads “SIM not valid”.

2.1 One click to fix the “SIM not provisioned MM#2” error on Android

Without talking any further, let’s straightly get to the first and the easiest way to repair SIM not provisioned issue on Android. For this purpose, we’re glad to introduce Dr.Fone - System Repair (Android) , one of its kind of tool that is capable of repairing almost all sort of Android OS issues in just a matter of few clicks. Whether it is SIM not provisioned on Android or SIM not working in Android or your device stuck in a boot loop or black/white screen of death. The most probable reason for these errors is Android OS corruption. And with Dr.Fone – Repair (Android) you can efficiently and effectively repair your Android OS in a hassle freeway.

Dr.Fone - System Repair (Android)

Android repair tool to fix “SIM not provisioned MM#2” error

  • Fix any type of Android system issue with ease.
  • Even novice users can use it without any hassle.
  • Compatible with all major Lava Storm 5G smartphone models.
  • Highest success rate in the market for fixing Android issues.
  • Supports all Android OS versions.

3981454 people have downloaded it

Step by step Tutorial to fix “SIM not provisioned MM#2” error

Step 1. Connect your Lava Storm 5G

Download and launch the Dr.Fone toolkit on your computer and then opt for the “System Repair” option from the main interface. Meanwhile, get your Lava Storm 5G connected with the computer using a genuine cable.

fix sim not provisioned on android - install the tool

Step 2. Opt for Android Repair and key in important information

Now, hit on the “Android Repair” from the 3 options on the left, followed by hitting the “Start” button. From the upcoming screen, you’ll be asked to key in important device-related information, like brand, model, country, and carrier details. Hit “Next” afterward.

fix sim not provisioned on android - select android repair

Step 3. Boot your device in Download mode

You must put your device in Download mode for better repairing of your Android OS. Simply follow the onscreen guide to boot your Android in DFU mode and hit “Next” thereafter. Once done, the software will automatically start downloading the most compatible and recent firmware for your device.

fix sim not provisioned on android - boot in download mode

Step 4. Initiate Repairing

As soon as the download completes, the software verifies the firmware and automatically initiates repairing your Lava Storm 5G. Within a short period, you’ll notice that your Lava Storm 5G has been successfully repaired.

fix sim not provisioned on android - start repairing

Safe download safe & secure

2.2 Ensure the SIM card is not dirty or wet

At times, the issue can be as simple as cleaning your SIM card and SIM slot properly. Ensuring that SIM is not wet either and then putting it back into its place. If this works, then the SIM not working in Android was due to the dirt or moisture that was preventing proper contact between SIM card pins and smartphone circuit.

2.3 Insert the SIM card correctly

If your SIM card was working properly until yet, there is a good possibility that the SIM card may have moved a bit from its actual location. Eventually, there is poor contact between the SIM card pins and the circuit. Try inserting your SIM card properly with the following steps.

  • Power off your Lava Storm 5G and with the help of Q pin, eject the SIM card holder from the SIM slot of your device.
  • Now, grab a soft rubber pencil eraser and gently rub it in on the gold pins of SIM card to clean them properly. Then, with the help of a soft cloth wipe away the rubber residue from the SIM card.
  • Next, push the SIM back into the SIM card holder properly and push it back into the SIM slot now.
  • Turn your device back on and look if your SIM not provisioned on the Android issue is resolved or not.

2.4 Activate the SIM card

Usually, when you buy a new SIM card, it gets automatically activated within 24 hours of being plugged into a new device. But if that’s not happening in your case and you’re wondering how to activate SIM card, make use of the three options below to enable activation:

  • Call your carrier service provider
  • Send an SMS
  • Log on to your carrier’s website and look for the activation page over it.

Note: The aforementioned options are straightforward and are quick ways to enable activation. It depends on your carrier network whether they support them.

2.5 Contact your carrier

Even if your SIM isn’t activated, grab another working device to make a phone call to your carrier or network. Ensure, to explain the entire situation and the error message to them. Be patient while they investigate the issue. It may eat up a heck load of time or may get resolved in a few minutes that completely depend upon the complexity of the issue.

fix SIM not working in android - contact carrier

2.6 Try the other SIM card slot

A yet another reason why SIM not working in Android can be because of the SIM card slot might have gone corrupted. Thanks to the dual SIM technology, you do not have to rush immediately to get it to check or repair. You can simply rule out this possibility by ejecting the SIM card from its original SIM slot and then replacing it into the other SIM card slot. If this solution did work out for you then it is obvious that the problem was with the SIM card slot that got corrupted. And hence, it was triggering SIM not responding issue.

fix SIM not responding - try another slot

2.7 Try the SIM card in other phones

Or just in case, you’ve still no joy and the SIM not provisioned on Android message is bothering you. Try making use of another Android device. Eject the SIM card from the Lava Storm 5G device which is creating problems and try plugging it into other Lava Storm 5G] and other smartphones. Perhaps, this will let you know whether the issue is with your device only or with the SIM card itself.

2.8 Try a new SIM card

Still, wondering how to fix SIM not provisioned? Perhaps, nothing worked for you, right? Well, on that note, you must head to your carrier store and request a new SIM card. Also, inform them about the “SIM not provisioned MM2” error, they will be able to execute proper diagnostics over your old SIM card and hopefully get it resolved. Or else, they’ll equip you with a brand new SIM card and swap the new SIM card into your device and get it activated in the meantime. Eventually, restoring the normal functioning of your device.

Conclusion

In wrapping up, SIM not provisioned errors on Android can be troubling, but they’re certainly fixable. There are several methods, from a simple device restart to reaching out to your network provider. But if these don’t work, we suggest trying Dr.Fone - System Repair (Android) . This tool is known for its ability to handle an array of Android issues and could be just what your device needs. Navigate your tech challenges with ease using Dr.Fone.

Safe download safe & secure


Also read:

  • Title: Play Store Not Working On Lava Storm 5G? 8 Solutions Inside | Dr.fone
  • Author: Abel
  • Created at : 2024-11-21 21:19:51
  • Updated at : 2024-11-24 20:06:03
  • Link: https://fix-guide.techidaily.com/play-store-not-working-on-lava-storm-5g-8-solutions-inside-drfone-by-drfone-fix-android-problems-fix-android-problems/
  • License: This work is licensed under CC BY-NC-SA 4.0.
On this page
Play Store Not Working On Lava Storm 5G? 8 Solutions Inside | Dr.fone