A swollen battery can leak, catch fire, or rupture. Stop using and charging the device immediately, keep it away from flammable materials, and have it professionally removed rather than handling it yourself.
Symptoms
- Screen or back panel appears to be lifting or pushed outward
- Phone doesn't sit flat on a table
- Case fits tighter than before
- Phone may feel warm even when idle
Likely causes
- CommonBattery aging and naturally expandingLithium batteries can swell as they degrade, especially after 2–3+ years of use.
- CommonRepeated exposure to heat, like a hot carHeat accelerates battery degradation and swelling.
- PossiblePhysical damage to the battery from a dropA dented or punctured battery cell can swell rapidly.
What to do
- Stop using and stop charging the phone immediately.
- Do not press, puncture, bend, or try to pop the panel back down.
- Place the phone in a fireproof or non-flammable area (like a metal tin or outdoors, away from flammable materials) as a precaution.
- Do not put it in water or a freezer — this does not make it safer.
- Take it to a battery recycling drop-off or a professional repair shop the same day for safe removal.
When to call a pro
Take the phone to a repair shop or battery recycling center the same day; do not attempt to remove a swollen battery yourself.
Safety
A swollen battery can leak, catch fire, or rupture. Stop using and charging the device immediately, keep it away from flammable materials, and have it professionally removed rather than handling it yourself.