Your iPhone battery turns yellow when you enable “Low Power Mode”. A feature of iPhones that saves battery life.
Basically, when your battery reaches 10% or 20%, the battery icon changes to yellow to show that low power mode is turned on.
The battery turns back to green once the phone receives sufficient charging. Usually at 80% battery, or when you turn it off in Settings>Battery. Low power mode affects the following iPhone features:
- Email fetch
- “Hey Siri”
- Background app refresh
- Automatic downloads
- Some visual effects
- Auto-Lock (defaults to 30 seconds)
You can switch off low power mode by opening the settings application and going to the battery section. Once there, tap battery and toggle the switch next to lower power mode to switch it on or off.
Why is my battery yellow? iPhone Low Power Mode – Business Insider
Sep 18, 2019 – You may have noticed that the battery symbol on your iPhone turns yellow at times. If you’re wondering why, here’s the answer.
Why Is My iPhone Battery Yellow? Here’s The Fix – Payette Forward
Nov 29, 2015 – Your iPhone battery is yellow because Low Power Mode is turned on. To change it back to normal, go to Settings -> Battery and tap the switch next to Low Power Mode. Low Power Mode turns off automatically when your battery level reaches 80%.
Use Low Power Mode to save battery life on your iPhone – Apple Support
Sep 19, 2019 – When Low Power Mode is on, the battery in the status bar will be yellow. You’ll see and the battery percentage.