(help) Dex 4.70 to 4.88 OFW

hello guys,

i have an odd problem that i tried so many rebug D-Rex cfw But it does not work.

the system is working fine , but i cannot update to any FW!! from system update i tried
-update via Storage Media
-update via system Storage

no matter what FW i put it does not work
gray color on all FW by using updater method from system storage from 01 to 09.

in Safe Mode an Error shows up
8002F2F0

it does even read the flash drive

when i put for example 4.75.1 rebug DRex
error 8002F984
error...

(help) Dex 4.70 to 4.88 OFW