Chapter 3 Trouble Shooting - Polaroid PRO1021 User Manual

Chapter 3 Trouble shooting

Failure
Can't switch
on
SIM card error
Weak signal
Can't make
calls
Can't charge
the battery
Can't connect
to network
The photos
taken are too
dark
1? The battery has been run out;
2? The battery isn't installed properly.
1? SIM card is dirty. Clean the SIM card.
2? Re-install the SIM card.
3? SIM card is damaged. Please change a
new one.
4? (SIM2 is same)
Check the icon of signal strength, where four
strips indicate the strongest signal and two or
less strips indicate weak signal.
(SIM2 is same)
(I) You have set to hide your own number, but
the network operator doesn't support this
service.
(II). The ambient has strong interference.
(III). You have enabled call barring.
(IV). You have activated Line 2, but the
network operator doesn't support this service.
(I). The battery may be over discharged and it
takes a while to charge after connected to the
charger.
(II) Battery performance has decreased.
(I). The signal is too weak, or there is radio
interference.
(II). Check whether the SIM card is installed
properly, whether the contact is poor or
whether the card is damaged? Please contact
your network operator if the SIM card is
damaged.
(I) The brightness is too low;
(II) The environment is too dark
17
Reason