Acer B1-720 - Manual (Page 44)

44 - FAQ and troubleshooting
System
information and
performance
How do I check
the OS version of
my device?
Tap APPS > Settings > About
tablet to check the OS version
(Kernel/build number) and other
hardware and software
information.
Where can I find
my serial number
ID?
Tap APPS > Settings > About
tablet > Device Information.
Power
I couldn’t turn on
the device.
The battery power may be
depleted. Recharge the device.
See Charging your tablet on
page 7
for more information.
Storage
How do I check
memory status? To check storage status, go to
Settings > Storage.
What do I do
when my device’s
internal storage is
full or almost full?
You may need to delete installed
apps or move media files to the
micoSD card.
Unlock pattern
I forgot my unlock
pattern.
After five wrong entries, you can
reset your unlock pattern. Tap
Forgotten pattern? and enter
your Google account username
and password.
You must have an active Google
account on the tablet and an
Internet connection.
If this option is not available,
please contact your local Acer
service center.
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