not work when
power
connected
Fail to connect
network
Wrong installation of SIM
card
Check SIM card installation
( 4.1 Install SIM card)
Filth on the SIM card iron
surface.
Clean it
Useless SIM
Contact internet service
provider
Improper installation
Check installation of device
( 4.3 Install the device)
Beyond GSM service area
Use it in effective GSM
service offer area
Bad signal
Try again in a better signal
area
Fail to
charge
The voltage is unsuitable
Connect with power with
suitable voltage
Improper connection
Check connection with
charger
ShenZhen Concox Information Technology CO.,Ltd
Tel: +86 755 2912 1200
Fax: +86 755 2912 1290
E-mail: [email protected]
Add: 4/F, Building B, Gaoxinqi Industrial Park,
Liuxian 1st Road, No.67 Bao'an District, Shenzhen
www.iconcox.com