The Vivo tasting system is downgraded back to the official version of the tutorial

Recently, many mobile phone users have been updated and pushed about the Vivo trial system, but some of them feel that it is not very suitable for them after the update, and want to update the official version, so they want to downgrade to the previous official version first, but they don't know how to operate, so let's take a look at the tutorial of how to downgrade the Vivo trial system back to the official version.

Vivo Demote the new version of the system back to the official version of the tutorial

1. Enter the Vivo official website/Vivo Mall APP

2. Click My

3. Click online customer service or Vivo official website

4. Glide bottom

5. Click online customer service

6. Enter the manual customer service to enter the inquiry. Customer service will send downgrade package to everyone

Vivo System Degradation Method Introduction

I'd like to remind you that there may be risks in demotion, and you should be cautious in operation

1. Go to the Vivo official website service Vivo mobile system downgrade package tutorial

1、 Before degrading the system, it is recommended to clear all data in the mobile phone first to ensure that the machine will not be affected by abnormal data.

Note: Please back up the important data in the mobile phone before double definition to avoid data loss.

2、 After the mobile phone is dual-defined, we can officially start to brush firmware to downgrade the mobile phone system. Download the downgrade package, find the corresponding model, and put the upgrade package in the phone's USB flash disk or SD card root directory (do not put it in any folder) after the download.

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

2. Press and hold the power key and the volume up key at the same time when the phone is turned off, until the word "Vivo" appears and then release it, and the phone automatically enters the recovery mode.

3. Select "Install and upgrade software", and the interface will jump to choose whether to upgrade from internal storage or external SD card

For example, put the downloaded installation package in the root directory of the mobile phone's USB flash drive, and select the mobile phone to store it.

4. Then it will jump to the interface of selecting the upgrade package, and select the upgrade package downloaded in advance.

5. There is a progress bar in the upgrade interface. After reading the progress bar, the upgrade is completed. After reading the progress bar, you will be prompted that the installation is successful.

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

So far, the mobile phone has been downgraded.

Note: The advanced option is only used by after-sales staff. Please do not use it. We only need to use the upgrade and dual definition functions

This is the way to downgrade the Vivo trial version system to the official version. It is still a bit complicated, and it is relatively easy to make mistakes in the operation process. For those who are unfamiliar with the operation, the risk level is still high, so you must consider carefully before updating the system.