I had mobile network failure on my cellphone that would last for hours per day on a Oneplus 7T, which was only 10.5 months old. No cellphone calls, texting and data internet. I sent it in for repair and the following was done to it and it now works…. [br]
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”Antenna FPC OnePlus 7T, Sub-board, RF cable black, Battery pull tape, Back cover adhesive, Mainboard bracket adhesive(left), Mainboard bracket adhesive(right), Speaker double-sided adhesive and Mainboard US 8+128 OnePlus 7T. “