What to do with the iPhone5 signal? How is the Apple 5 signal difficult to solve?

"Teaching you to test the iphone signal strength" method applies to all iphones. Open the Dial-up interface, enter *3001#12345#* and then press dial (* symbol before and after), you can see your iphone signal! The bigger the number, the better! I'm full of status show-58, if you-100 levels, direct complaint to operator Bar

There are several ways to solve this problem on the Internet, on/off "flight mode" can be solved, or switch "operator-Network Selection"

Summed up one of their own solutions: is that if the Apple has no signal or bad signal in addition to our own environmental problems may be a mobile phone system problems, their own environment we can change the environment to see if there is a signal, the other is that we restart the Apple phone to see if it can be resolved oh, I often do so to deal with OH.