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Q: How to upgrade the system of C800 from Android 4.4 to Android 7.1?

A: The Andriod 4.4 system is more stable, If you want to upgrade the system to the  Andriod 7.1, Please contact our after-sales team and get the detailed instruction.

Email: support@toumeipro.com

After you receive the instruction, please make sure you have a USB cable with two maile head on hand, follow the instructions you received step by step.

Pls contact us if there are any questions during updating.



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