What is VBAT DM/DP/RX/TX/ID/OTG Line In Charging Port.How To Diagnose These Lines In Cell Phone

What is VBAT.VBUS.DP.DM.RX.TX.OTG. How These Lines Works in Mobile Phone repairing. Full Detail..what is vph line how voh line work if vph line short.How to troubleshoot dead Mobile repair.How to diagnose dead phone.Mobile phone charging problem Heating issue.How to solve thermal error.your phone is temperature to high or to low how to solve
no service.emargancy call in Mobile phones how to solve this issue How to test these on lines.How to check voltage in in these lines.How to read Mobile phones Schematics Diagram


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