Справочник Пользователя для Star Computer Group E401

 20

If you meet with the abnormal state during using mobile phone, please refer to the following guide to 
resolve it. If you can not solve, please contact with the designated service center.

 

 Press [Power ] key shorter. 

Long press [Power] key over 3 seconds 

2. Battery runs out. 

Please charge for your phone in time. 

3. The battery is installed incorrectly

. 

Please install it properly. 

4. Abnormally using leads phone not to power on. 

Please contact the local service centre. 

 Battery runs out.   

Please charge for your phone in time. 

2. Battery is loose. 

Please install properly. 

 Input PIN code wrong.   

Please input PIN code correctly. 

 

2. Input PUK code wrong.     

Please input PUK code correctly. 

 

Note: If inputting error PIN code 3 times, PIN code will be locked, it needs PUK code to unlock; if 

inputting PUK code 10 times, and SIM card will be locked. Please keep and use the PIN & 
PUK information, when meeting with problems or difficulties, please consult with the SIM 
card supplier. 

1. The current signal strength is unstable.

 

   

You may be in the fast-moving state (by train or car, 

etc.), according to the signal strength, select a place 

with good signal to make a call to ensure call quality.

2. Perhaps you are in a poor signal region.   

 

Please move to open areas

. 

According to your needs, please cancel call 

forwarding.

 

2. Perhaps you set up call barring. 

According to your needs, please cancel call barring. 

 Phone power off. 

Please power on your phone. 

2. Phone is out of the network service area.

 

Please make sure the current network is in good