A charging failure can come from any point between the wall outlet and the battery. Testing one part at a time is faster and safer than replacing everything at once.
Stop for swelling, smoke, sparks, melting, exposed wires, a burning smell, liquid in the port, or heat that is painful to touch. Do not keep testing a damaged battery or charger.
1. Verify the power source
Use a wall outlet
Connect directly to a working wall outlet. Test the outlet with another small device if you are unsure it has power.
Allow time for a low battery
Leave the device connected for at least 30 minutes. A deeply discharged battery may not show an icon immediately.
2. Isolate the cable and adapter
Inspect both accessories
Look for frayed insulation, bent connectors, discoloration, loose plugs, or debris. Stop using visibly damaged accessories.
Substitute one known-working part
Try another compatible cable first, then another compatible adapter. Keep the outlet the same so the result is meaningful.
3. Check the charging port safely
Shine a light into the port. Pocket lint can prevent a connector from seating fully.
Do not insert pins, paper clips, knives, or wet cleaning products. If visible debris cannot be removed gently with a dry, nonconductive method recommended for your device, use qualified service.
- The connector should seat evenly without force.
- The cable should not need to be held at an angle.
- Stop if the port feels loose, moves, or shows corrosion.
4. Check software and temperature
Restart the device if it is responsive. Charging can pause when a device is too hot or too cold; move it to a dry room-temperature location and allow it to normalize before trying again. Remove a heavy case during the test if it is trapping heat.
5. Know when service is likely
Professional inspection is appropriate when several known-working chargers fail, the port is loose or damaged, the device charges only at a particular angle, wireless charging works but the port does not, or the battery percentage still falls while connected.
Use a compatible higher-power adapter, reduce active use while charging, check temperature, and compare the result with another cable.