Install the SIM card
To take full advantage of your Acer M900DF Smartphone's
telephony capabilities, you must install a SIM card. The SIM
card holder is located beneath the battery.
Open the battery compartment
Gently, but firmly slide the battery cover
down to release it. Remove the battery
cover.
Insert the SIM and replace the battery
Insert the SIM card into the
SIM holder as shown.
Install the SIM card
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