Operation; Power On - Maxcom MM41D User Manual

Always switch the phone off before removing or inserting
SIM card.
Open the bottom cover of the battery. Remove the
battery; slide the SIM card into the SIM card slot. Make
sure that the contact area of the card is facing down, and
the beveled corner matches with the SIM card slot. Put in
the battery and install the bottom cover.

3. Operation

3.1 Power on

The device can work on both single battery mode and
single charger mode.
1. Press and hold [Power key] button until boot screen
appears.
2. If there is a prompt for PIN code, please input your PIN
code and then press [OK] key.
After power on, if SIM card inserted is valid, your phone
will automatically search for an available network; if not, it
will prompt: Insert SIM or Invalid SIM.
3.1.1 PIN code