Basic Functions - Maxcom MM821 User Manual

refresh marking, this circumstance belongs to the electricity
of battery the quantity be put a bare circumstance, need to
use the all-powerful charger carries on refreshing to activate,
if still can not activate, explain the battery thing the
structure has already been broken, please replace battery
If you don't use a cellular phone over a long period of time,
please be full of battery electricity empress and cellular
phone separation, the battery outside places to deposit at the
indoor temperature aridity of most can not otherwise cause
because of putting off over a long period of time longer than
a year for a long time battery electricity under the
environment the quantity consume O Fu, and may cause can
not by hand the machine went together with at first travel
charger to refresh for battery.Suggest to refresh every three
Turn on the phone
months.
Basic function
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