: Text files such as config.txt or updatecfg.txt that define screen resolution and hardware settings.
: Ensure you have every "part" of the archive (e.g., part1 through partX). sc25131-LTS2v103.part1.rar
: Core OS files like system.img or boot.img . : Text files such as config
: This often identifies the specific hardware platform or chipset, frequently associated with Unisoc (formerly Spreadtrum) processors used in car infotainment systems. sc25131-LTS2v103.part1.rar
: A file like Stm32ud.bin or similar for the micro-controller unit.
: This usually stands for Long Term Support (v2) , indicating a stable release branch of the software. v103 : This is the version number ( Version 1.03 ).
: Confirm your device's current version in Settings > System Info . Flashing incorrect firmware can "brick" your device.