hye..
im a new user..just buy for about 3 days..
when i just used it,i can connect to pc and do some file transfer..
but,when i upgrade to the latest firmware,pc cannot detect my phone anymore..
i have tried all the ways given in the front page,but also nothing was success..
this is my current version:

model:gt-i9100g
android:2.3.5
baseband:i9100gdki1
kernel:2.6.35.7

can someone please help me?????