User's Manual
85
injury!
3. Always use the charger by the original
manufacturer so as to prevent damaging the
phone or even causing fire or personal injury
etc!
9. Appendix I
Troubleshooting
Phenomena Possible Causes
Unable to
switch on
1. Does the battery
have power.
2. Is the battery placed
correctly
SIM failed
1. The SIM card is dirty.
Clean it.
2. Reinstall the SIM
card.
3. The SIM card is
damaged. Replace it.
4. (The same to Salve)
86
Poor signals
Check the signal strength
icon on the screen. If the
icon contains 5 bars, it
indicates the signal is the
strongest; if below 2 bars, it
indicates the signal is very
poor. (The same to salve)
Unable to dial
out
1. Maybe you have set
Hide My Caller ID but
your network
operator does not
provide this service
for you.
2. Strong interference
exists around you.
3. Maybe you have
activated the call
restriction function.
4. Maybe you have
activated Line 2 but
your network
operator does not
provide this service
for you.










