N5S How to upgrade N5S firmware
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1.Copy the ota firmware to the device via USB cable.
1. Power off the device
2. Push the “Power” button & “Volume –“ at the same time to enter the recovery mode
3. Push “Volume-“button to choose “Apply update from SD card” .then push “power”button
4. Push”Volume-“button to choose upgrade file. Then push”Power”button
5. Then upgrade is staring
6. After the upgrade is successful, it will restart.
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