
Some users reported that their shiny iPhone 3G tends to be a little ’slow in transition from 2G to 3G and vice versa, with the result that the phone remains connected to a UMTS even when there is sufficient signal to send and receive calls. For groped to solve these problems, there are some stratagems.
One way to dramatically improve reception - and lengthen battery life - is to completely disable the 3G, but this might not be the optimal solution for everyone. Here are the most popular techniques for groped to improve the situation:
1. Reset dell’iPhone: in some cases a reset of the device has restored the proper functioning of the network. Just hold the key Home and Sleep at the same time, until the apple logo White, a sign that the phone was restarted.
2. Reset Settings Network: Options, General, Restore, and finally tap on Restore network settings. This procure a restart of the device and a cancellation of all the network settings stored as DNS, password WiFi, etc.. In most cases is the definitive solution to the problems of receipt.
3. Return of SIM: it can happen that a SIM improperly housed would affect signal reception. Toglierla and replace can help in some cases.