Hi All   If you read my thread about the boot loader updating itself you will understand.     I've assembled a revised 'boot loader' that has been updated to 15152 (6.1.3) and should be able to be used to 'reflash' a damaged USB without the risk of version errors and also a clean build. This is based on Jun's 1.02b (DS3615 only) with the v3.2 extra.lzma file from @IG-88 and apart from my vid/pid changes is otherwise unchanged.   Process Used:- Create