Android asks for encryption password after Firefly RT3288 SD Image Modification!

busybee

It might be that Android cannot load the userdata partition.

If you can access the serial port, take the logcat.

Or enable adb by default, and use adb to take the logcat.

The log contains detailed messages.

busybee

You are right.  If size of system.img is less than the system partition size in parameter file, there 's no need to change parameter file.