3G service terrible after update to iOS 4.2.1

Before the update, I could generally get at least 4 bars around the house. Now I'm lucky to get any service at all. Has anyone else had this problem? Any solutions? Thanx, John

snakes527 did you notice that the post is about 3 1/2 years old? The poster already said that he got it working.  Also, most posters never mark their post as solved.
Further, there was no FindMyiPod in iOS 4.2.11
snakes527 wrote:
THE PASSCODE IS WHATEVER PASSWORD YOU MADE FOR THE 'FIND MY IPHONE/IPAD'

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