Match the symptom, then work through the safe checks.
1. What best matches what you observe?
2. Complete only the checks that are safe for you.
Show stop conditions
- Battery swelling, smoke, chemical smell, or hissing
- The charging port or connector is burned or melted
Likely causes
- Fast or wireless charging produces normal heat
- The phone is being used heavily while charging
- The case or environment traps heat
- The charger, port, cable, or battery is damaged
Quick checks, in order
Stop games, camera, hotspot, and navigation
Let the screen turn off while charging.
Remove the case and move to a cooler dry place
Do not put the phone in a refrigerator or freezer.
Use a certified compatible charger and cable
Inspect for heat, looseness, discoloration, or damage.
Disconnect if there is a temperature warning or swelling
Damaged lithium batteries require safe service.
How hot does the phone become?
Some warmth can be normal during fast or wireless charging.
Let the phone cool naturally and investigate load, environment, charger, and battery.
Disconnect if safe, move away from flammables, and stop using it.
Stop and get qualified help when
- Battery swelling, smoke, chemical smell, or hissing
- The charging port or connector is burned or melted
Frequently asked questions
Is wireless charging hotter?
It can generate more heat because alignment and conversion losses reduce efficiency.
Should I cool the phone with ice?
No. Rapid cooling and condensation can damage the device and battery.