User Guide
66 - Appendix
Other sources of help
For information on Refer to ...
Up-to-date information regarding 
yo
ur smartphone
www.acer.com
mobile.acer.com
Service enquiries www.acer.com/support
Internal 
storage
My device’s 
available 
internal storage 
is full or almost 
full.
Uninstall apps to increase available 
storage. See Uninstalling an app 
on page 61.
Unlock pattern
I forgot my 
unlock pattern.
After a certain number of wrong 
entries, you will be presented with 
an option to reset your pattern. Tap 
Forgot pattern? and enter your 
Google account username and 
password.
You must have an active Google 
account on the smartphone.
Alternatively, you restore your 
smartphone to factory settings. See 
Restoring to factory settings on 
page 62.
Heat
The phone 
heats up when 
charging or 
making long 
duration calls.
It is normal for the phone to heat up 
when charging. When charging is 
complete, it will return to its normal 
temperature.
It is also normal for the phone to 
heat up during long periods of use, 
such as watching a video or a long 
phone conversation.
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