User level: Level 1 (4 points)iPhone 15 is flashing a red battery symbol and will not charge.I replaced the third party charger with an Apple one and still doing same flashing. Any idea how to do a reset?
Posted on Sep 18, 2026 6:24 AM
User level: Level 10 (199,348 points)Sep 18, 2026 6:48 AM in response to Crazy_Dog-lady
Keep the new power adapter connected to the iPhone for at least another 6-8 hours to allow the battery to fully charge.
If no luck after that, the battery is defective and will need to be replaced at the Apple Store / Genius Bar or an Authorized Apple Service Provider (AASP).
User level: Level 10 (85,896 points)Sep 18, 2026 6:47 AM in response to Crazy_Dog-lady
Do Settings > Battery and click on Battery Health & Charging. What does that show for "Maximum Capacity?" Are any advisory or service messages displayed?
Originally posted at discussions.apple.com/thread/256359713