Upgrade from 4.0 to 4.1, must use the "Restore" mode in the RKBatchTool.
Modifying from 4.1 to 4.1, please also use the "Restore" mode to avoid FLASH corruption.

Please DO NOT use the "Upgrade" mode during any upadtes.

WARNING: Backup all data before you do the Restore, all data will be lost.
