Become familiar with low coverage areas where you live, commute, work, and play. Then you will know when to expect signal strength issues.
Network connection
Signal strength is weak
1.If you’re standing, move about 10 feet in any direction.
2.If you’re in a building, move near a window. Open any metal blinds.
3.If you’re in a building, move outdoors or to a more open area.
4.If you’re outdoors, move away from large buildings, trees, or electrical wires.
5.If you’re in a vehicle, move your smartphone level with a window.
My smartphone won’t connect to the mobile network
1.Try the suggestions above for weak signals.
2.Turn off your phone and turn it on again (see “Turning your phone on and off” on page 18).
3.Remove the SIM card and
4.Perform a soft reset (see “Performing a soft reset” on page 205).
My smartphone hangs up when I hold it to my ear
You may be accidentally pressing the onscreen Hang Up button with your cheek. Try holding the phone so your face doesn’t press against the screen. If this is not convenient, you may want to disable the screen’s
My smartphone seems to turn off by itself
If a system error and reset occur, your smartphone automatically turns the phone on if it was on before the reset. However, if your smartphone can’t determine if your phone was on before the reset, it does not automatically turn on the phone (see “Turning your phone on and off” on page 18).
210 :: Network connection