User manual

Table Of Contents
113
Problem
Possible causes
Possible solution
Shortened
standby
time
Low network signal
strength.
Battery life will be
shorter in areas of low
coverage.
Use in high
temperatures
Battery life will be
shorter in high
temperatures.
Prolonged use of
backlighting and
wireless features.
Switch off Wi-Fi and
Bluetooth when not in
use. Avoid prolonged
and continuous use to
preserve power.
Cannot
switch your
tablet on
Battery power has
been depleted.
Recharge the tablet’s
battery.
Tablet is locked up Press and hold the
power key for 15
seconds to restart the
tablet.
(U)SIM card
error
(U)SIM card malfunction
or damage.
Take the (U)SIM card
to your service
provider for testing.
(U)SIM card inserted
improperly.
Insert the (U)SIM card
properly.
Debris on the (U)SIM
Use a soft, dry cloth to