Post [Q] bricked samsung galaxy s2 gt-9100g and failed to mount efs <invalid argument>

hi,

i'm new in this forum. I would like to seek help regarding my samsung galaxy s2 gt-i9100g. Here are the following problems i've encountered.

> E: failed to mount /efs (invalid argument). -i dont know how it happens. after i install CWM or TWRP and wipe all data it suddenly appear on recovery after i try to flash 4.0.4 update via Odin

>i try to recover it but unfortunately, it did say PASS on Odin but it on stuck on boot logo. or samsung animation on 4.1.2 jellybean for that matter.

> i try to downgrade to ICS 2.4.2 but again it on stuck on boot logo.

> i try to revive it by reading some of the thread here but still, it didnt revived.

>i have already 42 counts on my binary.

>i can't bring it to samsung store because the warranty is already void.

>GT-I9100G model is not registered under KIES to update firmware.

Please Help..