User guide

Acer F900 Smartphone User Guide16
Note: Place your smartphone on a flat but soft surface when per-
forming this step, to avoid scratching or damaging the screen.
Replace the battery and battery cover as shown in “Insert the
SIM and replace the battery“ on page 13.
SIM card lock
Your smartphone may come with a SIM card lock, i.e., you will
only be able to use the SIM card provided by your network
operator.
To unlock your SIM, contact your network provider.
Charge the battery
For initial use, you need to charge your smartphone for eight
hours. After that you can charge it each day to recharge the
battery to full capacity.
Connect the AC adapter cord to the mini USB connector on
your smartphone.
Turn on for the first time
To turn on your smartphone for the
first time, press and hold the power
button until the system bootup screen
appears.
Tap the screen to set up your smart-
phone.