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:
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Step 3:
Download and install the “One Key upgrade”. You will see this software.
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Step 4:
Open the “one key upgrade”. Input your username and password. Then select “End User” and click “Log in”.
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Step 5:
Input your S/N.
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Step 6:
Select all and click “Upgrade”.
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Step 7:
Upgrade is completed.
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Step 8:
Open your TF card. You will see these files.
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Step 9:
Remove the TF card from the computer. Insert your TF card into the device.
Update succeeds! Thanks!
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