In the v3.0 firmware, because of lossing the Xauthorization (.Xauthority) documents, we can not open file manager as a Root identity and can not install the deb package also. This is my solution. It should be said is a perfect solution for this problem.

1.Click the "Start" - "Run" and input "evilvte" to run the terminal.

2. Input "sudo touch ~ /. Xauthority & & sudo chown $ LOGNAME ~ /. Xauthority & & chmod 775 ~ /. Xauthority " then Enter.  

3. After that the issues mentioned above is solved.

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