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Home › Forums › After Sales Services › M8 screen brightness and B20 problem
This topic contains 1 reply, has 1 voice, and was last updated by Janos Gal 2 months ago.
I bought recently from Banggood an ALLDOCUBE M8 tablet. It’s very nice, and fast, but I have some problem.
I can’t set the screen brightness. The brigthness slider is work, but do nothing. 😥
Another problem: the B20 frequency don’t work. I try this on Hungary in a village in T-Mobile network, but the 4G is not work, only 3G. Another mobile device (Redmi 6) is work on B20 in this place.
Please help me!
nobody has experienced this??
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