User's Manual
34
27. Simple troubleshooting
fault phenomenon probable cause
Cannotturnonthecomputer Is there a battery; Battery is correct。
(U)SIMCard error (U) SIM card smudgy, clean (U) SIM card; Reinstall
(U) SIM card; (U) SIM card is damaged, replace the
(U) SIM card。
Poor reception
Check on the display signal strength indicator, the
number of the signal is 4 said signal is strong, weak
signal under 2 case
。
In poor areas the use of mobile phones, such as
high-rise buildings near or basement, radio waves,
unable to communicate effectively。
Period in the intensive use of mobile phones, such as
working hours, the line congestion cause can't talk to
each other
。
Associated with the launch of the base station
network built near and far. Regions can require
Internet service providers to provide services。
Echo or noise
Due to poor network trunk, is a regional problem, or
some bad conversation in line
。