[Fathi Ahmad]

The same here.  I removed the sd card from the slot.  Surprisingly the device became faster and smoother and very responsive.  The sd card had a very bad effect on the device. This despite the fact that the sd card was of the 10 grade and worked very smoothly on my Galaxy J7 and Lenovo Thinkpad T440s.

I am now confident that the problem is in the hardware and not a software issue.

[Fathi Ahmad]

Thanks for your reply Mr. Justinkeyback.

Yes.  I formated a 32 gb sd card to Fat32 and another sd card 64 gb to exfat. Both are not recognizable. First Windows 10 stop recognizing them and afterwards Android also stopped recognizing them.

I think it is a hardware problem because many buyers of Chuwi hi12 reported this problem.

 

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