User Manual

Troubleshooting
151
13. TROUBLESHOOTING
When using this phone, if you run into malfunctions, please refer to the
following troubleshooting techniques before requesting help:
Symptom Diagnosis Solution
Have you pressed
and held it for more than 2
seconds?
Press and hold
for more than
2 seconds.
Is the battery connector
reversed?
Insert the
connector correctly.
The phone
cannot be
switched on
Is the battery low? Charge the battery.
Is there sufficient GSM
signal strength When in
only GSM mode?
Move to another
place for better
signal strength.
Is the phone in Only WiFi
mode?
Choose Only GSM
mode or Dual
Attach mode
instead.
Is the keypad locked? Unlock the keypad.
Cannot make a
GSM call
Is the phone number
correct?
Enter the correct
number to make
the call.
Cannot make a
WiFi call
Is the phone in Only GSM
mode?
Choose Only WiFi
mode or Dual
Attach mode
instead.