MAXCOM MOBILE 5130S User Manual

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3> 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.   
4> 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.   
6> If the mobile phone or any accessory can’t work normally, please send it to qualified service 
center.  
Please dispose the used products according to local regulations.   
Appendix B: Troubleshooting 
Failure Reason 
Can’t switch on 
1、 The battery has been run out; 
2、 The battery isn’t installed properly.   
SIM card error 
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)   
Weak signal 
Check the icon of signal strength, where four strips indicate the 
strongest signal and two or less strips indicate weak signal.   
(SIM2 is same) 
Can’t make 
calls 
(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.   
Can’t charge 
the battery 
(I). The battery may be over discharged and it takes a while to charge 
after connected to the charger.   
(II) Battery performance has decreased.   
Can’t connect 
to network   
(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.   
The photos 
taken are too 
dark 
(I) The brightness is too low;   
(II) The environment is too dark 
The photos 
taken are blurry 
(I) The object is moving;   
(II) Your hand shakes when you press the shutter   
The photos 
taken are 
distorted 
The object is too close