13
Problem shooting
Common problems
The causes and solutions
Unable to boot
1. Check whether the battery power is exhausted, please
charge the battery.
2. Check whether the battery is bad contact. Please
remove it first and reinstall, then retry boot.
SIM card error
1. SIM card metal surface have dirt, use clean cloth to
brush the SIM card metal contact point
2. Reinstall the SIM card.
3. SIM card is damaged, please replace SIM card.
Poor signal
Check on the signal strength indicator of the screen, 5 bars
indicate a strong signal, less than 2 bars indicate a weak
signal.
Unable to dial out
1. You may set to hide your phone number, but your
network operator does not provide the service.
2. Surrounding environment may have a strong interference
signal
3. You may activate call barring function.
4. You may activate the line2, but your network operator
does not provide the service.
Unable to charge
1. Battery may have over-discharge, it need to connect the
charger after a period of time to charge
2. Battery performance have been worse
Unable to connect
the network
1. The signal is weak, or around the radio interference.
2. SIM card is invalid, please contact with your network
operator.
Unable to enter to
service menu
1. Your SIM card may not support the service function
2. Parameters of GPRS were changed.
Summary of Contents for RAM 5
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