User's Manual
Z.T.S. Intermational Industrial Co. Ltd G28i
Page 99
useful. The capacity of a battery may
decline after being used for several
years.
3、 Make sure your battery is not over
discharged The battery charger may
take several minutes before charging.
My mobile
does not
connect to a
network
1、 The network coverage is so week
or there is wireless interference. Check
whether the signal level indicator
displays vertical lines on the main
screen.
2、 Check whether your SIM card has
been installed correctly Make sure it is
not out of touch or damaged. Contact
the network operator to change the SIM
card if damaged.