Unlike the system partition which holds the read-only Android OS, the userdata partition contains: Installed applications and their app data. Personal accounts, passwords, and settings. Media files (photos, videos, downloaded documents).
In technical "unbricking" or firmware flashing scenarios (using tools like MSM Download Tool or SP Flash Tool):
It’s separate from the (OS files) and cache . oppo a37m userdata
Click on "Choose" next to the Scatter-loading file field and select the MT6750_Android_scatter.txt file from your extracted firmware folder.
Download the official Oppo A37m firmware (Stock ROM) matching your device's exact build number. Launch SP Flash Tool: Open the application on your PC. Unlike the system partition which holds the read-only
Your OPPO A37M previously had a different firmware version with a different partition layout. The userdata partition on your phone is larger (or smaller) than the one in the scatter file.
The Oppo A37m comes with limited internal storage (typically 16GB). Managing userdata is essential to keep the phone running smoothly. Launch SP Flash Tool: Open the application on your PC
Flashed the firmware but specifically ensured the userdata partition was rewritten to clear the lock.