User Guide

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card is inserted in the phone. The following two options are
displayed:
• Data storage: Select this to use the USB cable as
mass storage device to transfer and synchronize data
between the Sonim XP3405 SHIELD phone and your
computer.
• Modem mode: Select this to use the phone as a
modem.
The phone starts charging when ever the
phone is connected to the computer, using
USB cable.
Ensure that SD card is inserted in the phone,
before connecting it to the computer. Else,
phone will display No memory card found
message.
Connectivity