Argom Tech A1002 Manual - Página 12

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Do not put the mobile phone at the place with high temperature; otherwise, it will shorten the life
of the circuit, and damage the battery and plastic parts.
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Do not put the mobile phone at cold place. When it becomes warm (normal temperature),
moisture will generate in the mobile phone and damage the circuit board.
5>
Do not wash the mobile phone with corrosive chemical agent, cleaner or strong detergent. Dip
soap water with soft cloth to wipe the mobile phone.
If the mobile phone or any accessory can't work normally, please send it to qualified service
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center.
Note: Please dispose the used products according to local regulations.

Appendix B: Troubleshooting

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
The photos taken are
blurry
Reason
1、
The battery has been run out;
The battery isn't installed properly.
2、
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
(I) The object is moving;
(II) Your hand shakes when you press the shutter
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