[Tutorial][UBook N4100]How to Upgrade M2

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Dear Chuwi Team,

The instruction said that Ubook N4100 could be upgraded to 1 TB. I had 1TB M2, and would like to upgrade the tablet. Please instruct how to open the unit.

广告说Ubook N4100可以升级M2到1TB。但是我不知道怎么打开平板电脑为了升级，麻烦帮忙提供说明书。

Thank you