vivox510t contacts stop working

Hello! We recommend that you try the following to resolve the issue:

1. Go to Settings - General Settings - Application - All - Find Contacts and click to enter the information interface - Clear Data to try.

2. Try restarting your phone.

4. If the phone system is not the latest, upgrade the phone to the latest version, you can go to Settings - More Settings - System Upgrade - Check the update immediately, according to the prompts**Upgrade package, click Verify and install, the phone will restart and automatically enter the upgrade mode.

5. Try to clear the abnormal data by "Settings - Tongduo Settings - Factory Reset - Clear All Data". Note: This item will lose all the data stored on the user's mobile phone, including ** book, short message, third-party application software, and related information, and the data stored on the T card will not be lost.

Hello! 1: It is recommended that you restart your phone to try it.

Enter this link, click "Service" - search for your phone model in the search box, then select the model, click on the resource ** - firmware upgrade for the **ROM package.

This is the tutorial, you can take a look. Firmware Upgrade InstructionsPlease remember to back up your important information before upgrading).

If it still doesn't work, you can go to the after-sales service center to test and deal with it. After-sales service center address **Query in the settings - more settings - after-sales service menu. You can also go to vivo official ** to check the address of the after-sales service center:

Hello! Does your phone crash and can't turn on? It is recommended that you try the following methods to see if it can be turned on:

1.Press and hold the power button for 10 seconds to force restart the phone.

2.You can try charging for 20 minutes, then press and hold the power button for 10 seconds to see if it can turn on (the phone is completely out of power and recharged without any prompt).

3.When the phone is turned off, press and hold the volume up button and the power button at the same time for 3 to 4 seconds, after the vivo phone logo appears on the phone, let go of the button to enter recovery mode, first select wipe data factory reset, select wipe cache partition after completing the waiting interface jump, and select reboot system now to restart the phone immediately after completion. (Doing this will lose all the data on your phone (except the data on the TF card), including installed apps, **books, text messages, etc.) When there is a serious abnormality in the mobile phone and there is no other way to solve it, use this item with caution.

If the above methods still can't be turned on, it is recommended that you take your mobile phone to the local after-sales service for testing and processing, and the after-sales technicians will handle it for you. You can go to vivo official ** to check the address of the after-sales service center:

Sorry for the inconvenience, we recommend you try the following methods: If the phone cannot be used normally, when the phone is turned off, press and hold the lock screen key and the volume plus key at the same time to try to enter the recovery mode, if so, select Reboot System Now to restart the phone.

Enter the standby desktop of the mobile phone, press and hold the home button (house button) or swipe up the screen to open the shortcut bar - click one key to speed up the cleaning of the phone background running applications, or enter the i Butler - mobile phone cleanup to clean up the cache files in the memory and space to increase the available memory and avoid the phone crashing when the memory is insufficient.

Optimize the phone system by "Settings - System Upgrade - Check for Updates Now" to upgrade and update.

Try to clear the abnormal data (i.e., restore to the factory state) by "Settings - More Settings - Factory Reset - Erase All Data", which can solve the crash caused by viruses, third-party software compatibility, etc. Note: Clearing the data will lose all the data stored on the user's mobile phone, including ** book, short message, third-party application software, related information, and the data stored on the T card will not be lost.

Use with caution. If the problem cannot be solved through the above methods, please bring your love machine, purchase invoice and warranty card to the local after-sales service center for testing.

After-sales service center address **Query in the settings - more settings - after-sales service menu. You can also enter WeChat--upper right corner--Add Friends--Search (vivo smartphone) About***-Click on the lower right corner for service inquiry.

Hello! Based on your description, it is recommended that you try the following to solve the problem:

1. You try to restart your phone first.

3. You can update the system version to optimize the system to try: click Settings - General More Settings - System Upgrade - Check the update immediately with virtuality, according to the prompts ** Upgrade package, click Verify and Install, the phone will restart and automatically enter the upgrade mode.

4. Back up important pants data, such as contacts, **, information, etc., try to solve it by emptying abnormal data, click Settings - General More Settings - Restore factory settings - Clear all data.

In this case, we recommend that you try the following methods first:

1. Swipe up from the bottom of the screen to bring up the taskbar, and then click one key to speed up the cleaning of the background running in the background.

If the vivo smartphone crashes, you can press and hold the power button for 30 seconds to force restart the phone. If the phone is in a black screen state, you can connect the phone to a power source to charge for a period of time and then try again. After the phone is turned on, you can solve the problem of the phone crashing as follows:

1. The mobile phone occasionally crashes. Go to Settings - System Upgrade, upgrade the system to the latest version, so that the system is always in the best stable state.

2. Insufficient memory leads to crashes. It is recommended to clean up the software in the background and clean up the junk files in the mobile phone to ensure that the phone has enough running memory and storage space.

Cause: System files have been tampered with or deleted by mistake, etc., and the following solutions are as follows.

Method 1: Recovery mode to restore the factory settings program, the operation steps are as follows:

1. When the phone is turned off, and then turn it on, as long as you press the home button and the hang-up button while starting the phone, you can enter the recovery mode, 2. Select the wipe date in the recovery mode to start the factory reset.

Method 2: Brush the official firmware to accompany the bend:

1. Ensure that the mobile phone has sufficient power (more than 70%);

2. Back up the personal data in the mobile phone (confiscate the personal information, text messages, applications, etc.);

Method steps: 1. First, copy the package to the root directory of the mobile phone memory card.

2. In the shutdown state, press and hold the power button and the volume down button at the same time, after about ten seconds, yellow letters on a black background will appear on the screen, which means that the phone has entered recovery mode.

3. Use the volume up and down buttons to move the cursor to the position of "Manual Dry Digging to Select Installation Package", and click the power button to confirm. Next, use the volume up and down buttons to select the installation package, and click the power button to confirm.

4. Just wait for it to be completed by yourself, the phone will always keep the screen lit during the machine, and in addition to the yellow text that keeps scrolling, there is also a blue progress bar displayed below the green robot. The words "Installation Completed" will be displayed at the bottom of the final screen, the machine is complete, 5. Select Reboot the system immediately according to the prompts, and it is complete.

Hello! We recommend that you try the following to resolve the issue:

1. Go to Settings - General Settings - Application - All - Find Contacts and click to enter the information interface - Clear Data to try.

2. Try restarting your phone.

4. If the mobile phone system is not the latest, try to upgrade the mobile phone to the latest version, you can enter the settings - more bridge key settings - system upgrade - check the update immediately, according to the prompts**upgrade package, click to verify and install, the mobile phone will restart and automatically enter the upgrade mode.

5. Try to clear the abnormal data by "Settings - Tongduo Settings - Factory Reset - Clear All Data". Note: This item will lose all the data stored by the user on the mobile phone, including ** book, short message, third-party application software, and related information, and the data stored on the T card will not be lost.