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Cant seem to get sim card slot 1 working? the right side of the sim tray. Sim slot 2 works, but the other side just flat out doesnt dectect a sim card is in there. running "UMI Z.V3.01_20170116". i did cut the sim card myself down from micro to nano, but it cant be that because it works in the other slot and i tried it in another phone. Could it be software? or some pins not making contact in the phone?
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