Ensure your phone has at least 60% battery to prevent sudden shutdowns during the process.
Copy the custom ROM .zip file into the phone's internal storage or microSD card.
Power off your device and boot into Fastboot mode (usually by holding ). oppo a11k custom rom
Install the latest MediaTek (MTK) USB drivers and ADB/Fastboot binaries on your Windows PC.
Note: Many users on community forums have reported that this is nearly impossible on the A11k. Part B: Install a GSI Ensure your phone has at least 60% battery
Ensure your Oppo A11k is charged to at least 60% to prevent the device from powering off mid-installation. Step-by-Step Installation Process
launched with Android 9 (Pie), it supports , which theoretically allows a GSI to run on its hardware, provided a workaround for the bootloader can be found. Risks and Considerations Install the latest MediaTek (MTK) USB drivers and
Go to Settings > Developer Options > Toggle on "USB Debugging" and "OEM Unlocking".