Samsung Sm-g7102 Mic solution 1000% Tested Posted by kjnb at. Xda-developers Samsung Galaxy Grand 2 Galaxy Grand 2 Android Development ROM6.0.1 MIUI v8.5 Global Version by GuestX0050. XDA Developers was founded by developers, for developers. It is now a valuable resource for people who want to make the most of their mobile devices, from customizing the look and feel to adding new functionality.
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Reasons of ProblemsMight be the problem in charger or charger’s pin.It also happens due to the dust present in charging connector of your phone.Dry soldering of charging pins, you need to re-solder them again. However for that you need to remove metal sheet over charging pins with the help of a heat gun in order to access charging pins for soldering.Might be due to uneven voltage.
It happens due to faulty circuit.Fuse or Capacitor might also be faulty.WorkaroundIt is always great that if workaround methods are able to resolve your charging problems, as none of us wants to go into the hardware of their phone.Check with any other original Samsung charger.Clean charging connector of your phone from outside and check. Samsung Galaxy Grand 2 SM-G7102 Charging Hardware SolutionCheck, clean or replace the charging pin connector (DC jack). Clean also the PCB pads.Check/replace the Charging connector.Check the charging voltage (VCHARGE).Check the below image for Charging Ways.If any Track ways is missing just apply jumper.ORTrace the charging usb Ways Marked in above image. If any of track ways is missing just make a jumper with jumper wire.Samsung SM-G7102 Charging Solution, Usb Ways, Charging Jumper, Samsung G7102 Charging Ways, Usb Not Recognized Problem.