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i had change iPhone 6 Lightning Connector and Headphone and my iPhone becoming Lightning very slow and charging Elapses very Fast and i Feels heat from the back side
Thanks for all try to help me i just find answer for my problem it was from lightning cable i have change it with original one and it working very good
Seems like there is a short on the board some were. Why did you replace the dock? If possible, examine under the shield for corrosion or burned components. Possibly clean with isopropyl alcohol and a tooth brush. Find a way to test the new dock if possible, ensuring there is a clean connection with the board. often replacement parts can be quite low quality . Good luck!
