BST TECHNOLOGY CO. LTD FQ02 ユーザーズマニュアル

 

 

10

 

 

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 

Can’t access service 

menu 

The SIM card doesn’t support 

 
 

SMS 

Short Message Service 

EMS 

Enhanced Message Service 

SIM 

Subscriber Identity Module