First boot will be slow. If it loops “sos” again → wrong firmware or bad NAND.
It signifies an "all-in-one" automated upgrade package. Placing this file on the root of an SD card or loading it into a flash tool triggers the device to completely wipe and reinstall its operating system automatically upon boot. 🧠 AML920 allupgrade aml920 4g 512m none sos exclusive
Are you trying to with this specific watch, or WACHME 4G Kids AI Smart Watch with GPS Tracker (Platinum) First boot will be slow
Here is a breakdown of this specific feature configuration: allupgrade aml920 4g 512m none sos exclusive
