172 :: Network connectionNetwork connectionSignal strength is weak1. 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 Treo level with a window.Treo won’t connect to the mobile network1. Try the suggestions above for weak signals.2. Turn off your phone and turn it on again (see “Turning your phone on and off” onpage 15).3. Remove the SIM card and re-insert it (see “Inserting the SIM card” on page 14).4. Perform a soft reset (see “Performing a soft reset” on page 168).Treo hangs up when I hold it to my earYou 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 notconvenient, you may want to disable the screen’s touch-sensitive feature duringactive calls (see “Using Auto-Keyguard and touchscreen lockout” on page 157).Treo seems to turn off by itselfIf a system error and reset occur, Treo automatically turns the phone on if it was onbefore the reset. However, if Treo can’t determine if your phone was on before thereset, it does not automatically turn on the phone (see “Turning your phone on and off”on page 15).Become familiar with lowcoverage areas where youlive, commute, work, andplay. Then you will knowwhen to expect signalstrength issues.