Chosen Solution
my iphone 3g had a perfectly working network but the unfortunate part was the back cover looked horrible…. so i had a anada iphone 3g which i cracked and had a mb prob so i swaped the back cover for it everything work fine BUT THE FACT THE NETWORK KEPT DROPPING stating ‘NO SERVICE ’ but the before it was on FULL 4 BARS but now deas hardly 1 or 2 any solution at first i thot its the GPS Antenna but i got anada one and swapped it but no luck any solution guys :)
Your network antenna may have been bent, disconnected, or otherwise deformed. Try opening the phone and checking the antenna, making sure it’s seated properly and connected in the right places.
