: To ensure you are using the correct firmware for your specific hardware revision before flashing, you can use the code *#888# to check the PCB serial number . 4. Data Preservation (Backup)

Your screen lock pattern, PIN, or password. How to Backup Your Data

Photos, videos, and downloads (often mapped via sdcard emulation).

Select Language > > Format Data . Note: Some ColorOS versions on A37m will request a screen lock password to perform a wipe.

Effective userdata management is vital to ensure that your data is safe, organized, and easily accessible. Here are some tips to help you manage your Oppo A37m userdata: