I have a new UMI touch but I face a problem with my simm slots. It seems that slot 1 does not engage with 3/4g networks while when swapping simms it connects to 3g only. I have tried apk mtk engineering but no results. It seems like that 3 or 4G does not the work in both slots. Anyone knows how to solve this connectivity problem ? android 6.0 version, kernel 3.18.19+
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Post time 2016-9-11 20:37:40
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