iphone 3 gs sinyal 3g ilang timbul (REPAIR)

-save shsh using shsh trus copas shsh masukin -buckup all data @ via itools - buck up media (export as) - buck up camera roll - buckup photos, other album ,aplication cracked @ via itunes - buckup (orang strees) - transfer purchase via apple id bari -cek old or newbootrom cara cek menggunakan redsn0w

-Upgrade ke ios 6.1 using tiny umbrella

-buka itunes lalu upgrade ke 6.1

- Error tenyata ipnone langsung ke posisi recovery mode - Ulang lagi via itunes hasil : gagal - Bikin cfw ios 6.1 pake snowbreeze lalu ulang restore pake cfw

DAN SUKSES THX FOR READ THIS