Mobile device power, display and app troubleshooting

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Diagnose and resolve power and battery issues such as failing battery, swollen battery, unexpected shutdowns, no power, intermittent charging, loose charge port, damaged cable, bad adapter and depleted battery.
Troubleshoot mobile display and touch issues including dim display, no image, flickering, distorted image, dead pixels, lines on screen, unresponsive touchscreen, ghost touches and cracked digitizer or panel symptoms.

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Apply corrective actions for mobile OS and app issues, including force close, restart, update app, update OS, clear cache or temporary data, reinstall app, verify permissions and remove problematic apps.

Distinguish between software symptoms and hardware faults when evaluating mobile performance, overheating and abnormal behaviour.

Select safe and appropriate remedies for mobile device faults, including checking known-good chargers and cables, inspecting ports, verifying settings and escalating physical damage when repair is not suitable.

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