1. Download and install ADB driver in the internet.

https://adb.clockworkmod.com/

2. Enable developer rights

       a. tap Build number continuously until it hints as following:

       b. Enable USB debugging:

3. Connect MT65/MT90 with PC and click OK

4. Open cmd.exe in the windows and change the path to the adb driver:

5. Sent adb command to launch the program in MT65/MT90

adb shell am start -n com.newland.pdatool/com.newland.pdatool.MainActivity

6. Click Item5

7. Hold on the decoding button until aiming is off