OPPOK11 how to downgrade the system

OPPO K11 is a best-selling model in the OPPO mobile phone series, which is loved by users. However, there may be times when users experience discomfort or problems caused by system upgrades, and therefore need to downgrade the system. So, how does the OPPO K11 system downgrade? If you don't know, let's take a look at the following content!

How do I downgrade OPPOK11 system? OPPOK11 the downgrade method of the system

Before starting the downgrade, users need to download the required ROM package, which is the old version of the phone's system. The ROM package of the corresponding version can be found from the official OPPO website or the relevant forums and make sure that it matches the model and version of the OPPO K11.

 Generally speaking, the steps to downgrade the system of the OPPO K11 are as follows:

1. Copy the downloaded ROM package to your phone's memory card, making sure that the path where the ROM package is located can be read by your phone.

2. Open your phone's settings, find "Version Number" or "Software Update" in "About Phone" or "System Update". After entering this option, the user can see the version information of the current system.

3. In the upper right corner of the system update interface or in the menu bar, there will usually be an icon of "three dots" or an option of "more". Once you click to enter, select "Install from SD card" or "Local Update".

4. The phone will automatically scan the ROM package in the memory card, the user only needs to select the corresponding ROM package and confirm it.

5. The system will start to perform the downgrade operation, during this process, users need to wait patiently, never operate the phone or force restart.

6. After the downgrade is completed, the system will automatically restart and enter the newly downgraded version. Users can reset their phone and restore their personal data and preferences as needed.

It should be noted that there may be risks in system downgrading, such as data loss, unstable functions, etc., so it is recommended to back up important data before downgrading to avoid unnecessary losses.OPPOK11