Installing the MicroSD Card/SIM Card
Step 1: Slide the battery cover latch to the unlock position and remove the cover.
Step 2: Insert the Micro SD card/ SIM card/ Micro SIM card into the corresponding slot, with its metal contacts facing down.
Keypad
1
Menu Key
3
Function Key (Scan Key by default)
The MT90 has 10 keys, with Menu/Home/Scan/Return keys on the front panel, Volume+/Volume-/Scan keys on the left
side and Power/User-defined/Scan key on the right side.
Menu Key: Press it to display the app(s) most recently used. Tap an app to open it or tap "Clear All" to remove all apps at
once.
Home Key: Press it to go to the Home Screen.
Function Key (Scan Key by default): Use it to scan barcodes.
9
2
Home Key
4
Return Key