How can vivox5sl be restored to the previous system

If you need to downgrade your favorite device, it is recommended that you bring your mobile phone, purchase invoice, warranty card and ID card to the local after-sales service center for downgrading the system. The address of the after-sales service center can be found in the menu of Settings - More Settings - After-sales Service. You can also enter WeChat--upper right corner--Add Friends--Search (vivo smartphone) About***-Click on the lower right corner for service inquiry.

Then turn off the mobile phone again, and then press and hold the [Volume Up Button] and [Power Button (Lock Screen Key)" of the phone at the same time, and press and hold it at the same time, and it will enter Recovery mode after a while.

Select Recovery Mode, press the lock screen button to enter Recovery Mode, and see the following screen indicating that you have successfully entered Recovery Mode (wait patiently for about 5 seconds).

Then perform double clearing, press the volume button to select wipe data factory reset (remove user data and restore factory settings) and wipe cache partition (clear system cache), these two are double clear operations, and then proceed to the next operation after the operation is completed.

Press Volume - Select Apply Update Apps with System from in SDCARD, then tap the lock screen key to enter the selection menu.

Press the volume button to select the firmware package copied to the SD card of your phone, and click the lock screen button to enter the upgrade interface, as shown in the figure below, please wait patiently during the upgrade process.

When you're done, select the first option, Reboot System Now, and restart your phone.

1. Take vivo phone X20 as an example, unlock the phone interface, find the "Settings" option on the desktop, and open it to enter the next step.

<>4. Select Restore All Settings or Clear All Data, take Restore All Settings as an example, and open to enter.

5. Finally, click to open the restore button and press the change button state, and the vivo phone can restore the original system settings.

Vivo X20 phoneThe system can be reinstalled using a firmware update package, firmwareThe upgrade tutorial can be referred to below

1. It is recommended to do it before flashing the firmwareErase all data from your phone firstto ensure that the flashing device is not affected by abnormal data.

1. Press and hold the power button and the volume up button at the same time in the shutdown state until the word vivo appears and then release it, and the phone will automatically enter the recovery mode (some models of mobile phones need to press the volume button to manually select to enter the recovery mode).

2. Select".Clear data"Enter the selection screen, there is".Clear the cacheErase all data"Two options.

3. Clear the cache data (equivalent to wipe cache partition).

4. Clear all data (equivalent to wipe data factory reset).

Second, after the phone is double-cleared, you can officially start flashing the firmware.

Note: The screen cannot be operated in recovery mode, the volume up and down keys can move the cursor, and the power button can determine the options.

2. Press and hold the power button and the volume up button at the same time in the shutdown state until the word vivo appears and then release it, and the phone will automatically enter the recovery mode (some models of mobile phones need to press the volume button to manually select to enter the recovery mode).

5. There is a progress bar on the upgrade interface, and the upgrade is completed after the progress bar is read.

Click OK to jump to the recovery interface, and finally restart your phone.

Note: The advanced option is only for after-sales staff, please do not use it, only need to use the function of upgrade and double clearing.

If you don't flash the phone, then you can go directly to the settings and restore the factory settings. If you have flashed the machine and used an unofficial system, then you may go to the forum to find the official flashing package, and you can do it after flashing. If you don't know how to do it, you can also go to the after-sales service station to find someone to help you recover.

A factory reset will do the trick.

Factory reset The system can't go back.

This can be done using a flashing tool, such as Flashmaster:

1. Install the flashmaster on the computer and turn it on.

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).

It is recommended to do a factory reset to resolve the issue.

1.Let the phone enter the flash mode first, there are two ways to enter the flash mode, one is to enter the system in the state of boot to complete! But we forgot our phone password lock!

So this method doesn't work, that's the second method! That is, in the state of power off, press and hold the "power button" + "volume +" button at the same time for about 3 seconds, and you can let go to enter the recovery flash mode interface.

2.When entering the flash mode interface, select Chinese Simplified mode (use the volume button to select up and down, use the power button to confirm, there is a prompt at the bottom of the interface).

3.Enter the Chinese mode and press the volume down button to move to the second item "Clear Data", and press the power button to confirm. Enter the Clear Data interface.

4.In the Clear Data interface, press the volume down button to move to the "Clear User Data" option, and press the power button to confirm. A prompt will come out saying that you are sure to clear the user data, and this operation cannot be restored to the cloud.

Select Confirm. In a few seconds or so, the user data will be cleared. At this time, we will return to the main menu interface and we can restart the phone.

Restore to the original system method: Press and hold the power button and the volume up button at the same time in the shutdown state to enter recovery mode - select Clear Data - Clear Cache Data - Clear All Data - Select Restart.

1. Turn off the phone completely, press and hold the power button and the volume up button at the same time when the phone is turned off, until the word vivo and other words appear on the phone and then release it, and the phone will automatically enter recovery mode. As shown in the figure below:

2. After entering the recovery mode, perform double clearing, select [Clear Data] and enter the interface, there are two options on it, clear cache, clear all data, as shown in the figure below:

3. First [Clear cache data], as shown in the following figure:

4. Then proceed to [Clear All Data], as shown in the figure below

5. Then go back to the main interface of vivo xplay5 recovery and select [Restart].

No,It's just that all the numbers stored in the phone have been deleted.,The card doesn't affect.,My phone is the same as yours.,A few days ago, it was also a factory reset.,Something else doesn't affect reading.。

No, but the data is deleted, this is your first phone?