iPhone 3gs "NO SERVICE"

[rLhan]

​can somebody help me here http://www.iphoneforums.net/forum/ios-5-x-x-100/ios-5-1-5-1-1-better-40154/index2.html

after i update my phone and boots up, it couldn't find any signal. "NO SERVICE"

A Big Help please...

Thank You...

 

[chunky]

try a fresh install to see if the issue clears up.

The 3gs should have little issue running 5.1 or 5.1.1