If your Android phone overheats while charging, it can slow performance, damage the battery, and shorten the device’s lifespan. Overheating during charging is usually caused by faulty chargers, background activity, battery issues, or environmental factors. This guide explains the causes and how to fix them.
Common Reasons Your Phone Overheats While Charging
- Using a damaged or low‑quality charger
- Charging in a hot environment or direct sunlight
- Heavy apps running in the background
- Fast charging generating extra heat
- Battery degradation or internal damage
- Charging while gaming or streaming
- Phone case trapping heat
- Software bugs causing high CPU usage
Quick Fixes to Reduce Overheating
1. Use a Certified Charger
Cheap or damaged chargers can cause voltage instability and overheating.
2. Remove the Phone Case
Cases trap heat and prevent proper cooling during charging.
3. Charge in a Cool Environment
Avoid charging near windows, in cars, or in warm rooms.
4. Stop Using the Phone While Charging
Gaming, streaming, or video calls drastically increase heat output.
5. Close Background Apps
Clear all apps from the Recent Apps menu to reduce CPU load.
Advanced Fixes
1. Disable Fast Charging (If Available)
Fast charging generates more heat. Turning it off can reduce overheating.
2. Update System and Apps
Software updates often fix bugs that cause high CPU usage during charging.
3. Turn Off Unnecessary Features
- Bluetooth
- Wi‑Fi hotspot
- GPS/location services
- NFC
4. Check Battery Health
A failing battery can overheat even during normal charging.
5. Clear System Cache (If Supported)
Wiping the cache partition removes corrupted files that may cause overheating.
Signs Your Phone Is Overheating Too Much
- Charging slows down or stops automatically
- Screen dims to reduce heat
- Battery drains quickly after charging
- Warning messages about high temperature
- Phone becomes hot even during light use
Prevent Overheating While Charging
1. Use Original or Certified Accessories
OEM chargers ensure safe voltage and temperature control.
2. Charge on a Hard, Cool Surface
Avoid charging on beds, couches, or blankets.
3. Avoid Charging to 100% Daily
Keeping the battery between 20% and 80% reduces heat and prolongs lifespan.
4. Keep Storage Free
Low storage can cause background processes to spike, increasing heat.
Hardware-Related Overheating
If overheating continues even with safe charging habits, hardware may be failing:
- Battery degradation or swelling
- Damaged charging port
- Faulty motherboard components
- Internal thermal paste deterioration
Factory Reset (Last Resort)
If overheating began after a major update or software issue, a factory reset may help.
Settings → System → Reset → Factory Data Reset
Backup your data first — this erases everything.
When to Seek Professional Help
- Phone overheats even when not charging
- Battery becomes swollen or damaged
- Device shuts down due to high temperature
- Overheating persists after a factory reset