Clean Boot - Acer F900 User Manual

Hold down the power button and use the tip of your stylus to
lightly press the Reset button inside the hole on the side of
your smartphone.

Clean boot

Warning! You should only perform a clean boot when all other
reset options have failed to restore your smartphone to an opera-
tional state.
A clean boot will restore your smartphone to the factory set-
tings.
Warning! This will erase all your personal information, any contacts
stored on your phone and any programs you installed.
76 Acer F900 Smartphone User Guide