Apple iPhone 3GS " No Service " Signal Losing Fix-Repair GUIDE
DISCLAIMER: TRY THIS AT OWN RISK.
This guide, will help you to recover iPhone 3GS's GSM signal after you have opened it aniway.
Fix this problem is not impossible, requires a bit experience in soldering, few minutes, and caution.
Fixing the problem consists of simple 2 welds directly on iPhone's 3GS Logic Board.
Pictures will explain everithing in an very exhaustive way.
THE MAIN PROBLEM: Opening your iPhone 3GS, you have accidentally lost a small detail situated near the connector n°7:
it's a veryvery small inductor (picture below) IMPOSSIBLE to replace without a professional equipment of extremly precision.
Have lost this small part, is the cause of all your (signal) pains!!!
Not bad. We can bypass this.
We can make 2 precise welds to bypass this lost component and then finally recover our signal.
1) totally remove with caution the black sticker "Do not remove" (visible on the picture above)
2) on the front of the logic board, you have to solder like this picture
3 ) on the back of the logic board, you have to solder like this other picture
Finished. Now, reassemble all and check your signal.
It will be slightly stronger than before!!!
If this guide helped you, consider to offer me a beer or simply random click on a banner will be appreciated :)
Matteo "xonox" Pisani - [email protected] - Italy