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Step 1:

1. Remove the TF card from your device.


2. Insert your TF card into computer.

3. Format your TF card and ensure it is empty.

Step 2:

Login our website: ; and click “A Key upgrade”


Step 3:

Download and install the “One Key upgrade”. You will see this software.


Step 4:

Open the “one key upgrade”. Input your username and password. Then select “End User” and click “Log in”.


Step 5:

Input your S/N.


Step 6:

Select all and click “Upgrade”.


Step 7:

Upgrade is completed.


Step 8:

Open your TF card. You will see these files.


Step 9:

Remove the TF card from the computer. Insert your TF card into the device.






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