Infinix Note 30 5G Power Key & Volume Keys Problem Solution | On Off Volume Button Hardware Repair

Описание: In this repair guide we cover Infinix Note 30 5G power key (on/off) and volume keys problem solution, including power button not working, volume up/down not responding, intermittent key issues, stuck button, flex cable damage, and PMIC enable signal faults.
Guide includes key flex replacement, line tracing, continuity testing, jumper solution, IC power line check, and hardware troubleshooting for technicians worldwide (US, UK, Europe).

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Infinix Note 30 5G Power Button Troubleshooting

Infinix Note 30 5G Volume Button Troubleshooting

Infinix Note 30 5G Key Repair Guide

🛠 30 STEP-BY-STEP HARDWARE REPAIR PROCESS

Power off device

Remove SIM tray

Open device housing

Disconnect battery

Locate power & volume flex

Inspect flex for physical damage

Clean key connector

Re-seat key flex cable

Test power key continuity

Test volume up continuity

Test volume down continuity

Check pull-up resistor for keys

Check PMIC enable line voltage

Trace key signal to PMIC

Inspect key ways for line break

Jumper broken key tracks if required

Replace damaged key flex cable

Re-solder loose connector pins

Inspect for corrosion/water damage

Clean affected area with IPA

Reflow connector if needed

Confirm voltage output to keys

Reconnect battery

Power on device

Test power button response

Test volume up

Test volume down

Verify display lock/unlock

Reassemble completely

Final customer test

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