Mar-lx1a Downgrade Firmware
If Method 1 doesn't show a downgrade option, use to force older firmware versions. Preparation :
: To enter Fastboot mode for recovery tools, power off the phone, hold Volume Down , and connect it to your PC. Mar-lx1a Downgrade Firmware
If you cannot find a compatible firmware or the anti-rollback fuse prevents downgrade, consider these options: If Method 1 doesn't show a downgrade option,
Before starting, ensure you have met these critical requirements: power off the phone
For users comfortable with networking, the most reliable unofficial downgrade involves tricking HiSuite into thinking an older firmware is a newer release.