SM-G530t FRP LOCK - Stuck at Galaxy Splash screen E: failed to mount /efs (invalid a

SM-G530t FRP LOCK - Stuck at Galaxy Splash screen

Hi All, Im really stuck here. I have ODIN installed on my phone and have tried to install every ROM and image out there and am having trouble with the FRP . I need to unlock it to install a stock rom image ... i have tried the kies method, the smart switch method and they all run fine, but my e: partition is hosed

tried OF8_full.tar.md5

result to android system recovery <3e>
lmy47x.g530tuvu1a0f8

reboot system now
apply update from adb
" from external storage
" from cache
wipe/factory reset
wipe cache partition
reboot to boot loader
power down
recovery logs
--------------------------------------------------------------------

E: failed to mount /efs (invalid argument)
e: failed to mount /efs (invalid argument)
e: failed setting up dirty target
dm-verity failed...
e: failed to mount /system

PLEASE HELP WITH THE FRP LOCK WITHOUT BUYING A BOX

this is seriously affecting my business and cutting into my playing Destiny time!!

thanks in advance Mike

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