Tecno Pouvoir 4 Charging Problem Solution | Not Charging Fix | Charging Ways & Jumper | Hardware

Описание: Solve Tecno Pouvoir 4 charging problem with this complete hardware repair guide. Includes charging connector ways, sub-board charging line jumpers, USB port checking, PMIC charging testing, voltage checking, short detection, diode mode checking, and full strip inspection. Best for mobile technicians and beginners repairing no charging, slow charging, or intermittent charging faults.

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✅ 30 Step-By-Step Repair Guide

Power off the phone completely.

Remove back cover and disconnect battery.

Open the lower charging sub-board area.

Inspect charging connector physically.

Check for dust inside USB port.

Clean charging port with IPA and brush.

Test charging port movement/looseness.

Resolder charging connector pins.

Replace charging connector if broken.

Check sub-board for corrosion.

Test VBUS line continuity.

Test GND line continuity.

Check charging fuse on board.

Replace fuse if open.

Check filter coil on sub-board.

Replace coil if faulty.

Check diode near charging circuit.

Replace faulty diode.

Inspect charging IC/PMIC region.

Test battery connector pins.

Check USB data lines D+ and D–.

Jumper broken lines if needed.

Replace sub-board if fully damaged.

Check motherboard charging ways.

Reflow PMIC lightly if no output.

Test with another original charger.

Test with different USB cable.

Reconnect and assemble phone.

Power on and test charging function.

Perform final charging current check.

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