If you have tried:
Some eMMC chips get stuck in a read-only state. FDL2 fails because it cannot write to the boot partition. Fix: fdl2 failed
: Using an outdated version of the SPD Upgrade Tool or Research Download Tool is a primary cause. Download the latest version to ensure compatibility with your device's chipset. If you have tried: Some eMMC chips get
Provide additional details for a more specific answer: fdl2 failed