80% to 100% Charging should function normally. It is a safe and immediate step that should be attempted before seeking repairs.
Troubleshoot Common Wireless Charging Issues on iPhone
Clean the Charging Port Dust, lint, and pocket debris accumulate deep inside the Lightning port over time. For older models with a Home button, hold both the Home button and the Top button simultaneously.
Do not use metal objects like paperclips, as they can damage the internal pins. Extreme temperatures trick the device into believing it is under stress, triggering safety protocols that block charging.
Troubleshoot Common Wireless Charging Issues on iPhone
You can check this by navigating to Settings > Battery > Battery Health. Evaluate Battery Health Over time, lithium-ion batteries degrade and lose the ability to hold a charge.
More About What to do when your iphone won't charge
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