How to upgrade OPPO mobile phone system

1. First, we turn on the "USB debugging" option in the developer options of the phone, and prepare the Wandoujia PC client on the computer to flash the phone.

2. Find the mobile toolbox of Wandoujia on the computer, click to enter, and the interface will show that it is connecting to the mobile phone.

3. Next we choose the ROM we want to flash, such as MIUI, FLYME, etc., you can choose according to your own preferences. At this time, the software will identify ROMs suitable for your phone and recommend some ROMs to you.

4. After selecting the ROM, back up your phone data. Remember to back up some important text messages, contacts, pictures, etc. before flashing, because these data will be cleared after flashing.

5. After backing up the data, start flashing the phone. Before flashing, make sure the phone has enough power and do not unplug the USB data cable midway to prevent flashing failure.

6. After the phone is flashed, it will automatically restart. Then open the oppo phone and you can use the phone.

The mobile phone upgrade methods are as follows:

1. OTA online upgrade (mobile phone desktop--system update--click online upgrade. After downloading the firmware package online, click Now to upgrade automatically. To upgrade, please operate in a WiFi environment);

2. Download the firmware package and flash the phone to upgrade: Please back up your phone data before flashing. Flashing reference tutorial 3. Local upgrade: Store the firmware package downloaded from the official website to the root directory of the mobile phone file storage, system update--local upgrade--select the firmware package to confirm, and enter the upgrade interface;

Individuals cannot help themselves To upgrade or downgrade the mobile phone system without a firmware package, please back up important data on the phone, bring the phone, invoice, and warranty card to the local OPPO customer service center for upgrade.