Sim Card Lock - Acer Liquid Z220 Duo User Manual

Setting up - 9
5. Replace the cover by aligning the tabs on the cover into the slots on
the phone. Gently press the cover until it snaps in place.

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 cancel the SIM lock, contact your network provider.