Why does my iPhone turn off at 40 percent?

Why does my iPhone turn off at 40 percent?

Your battery indicator shows a cool 40 percent and then suddenly, it’s dead. With older iPhones, it’s a common problem — years of use throw off the calibration while the battery’s capacity dwindles. The issue, according to Apple, is that the battery percentage just isn’t updating.

Why does my iPhone 5 Keep turning off when it still has battery?

An iPhone that keeps turning off can be caused by faulty apps, water damage, or (usually) battery issues. Sometimes, a hard reset will fix an iPhone that keeps turning off, or power cycling, on its own. If all else fails, you may need to contact Apple Support for a battery replacement to stop the issue from recurring.

Why is my iPhone suddenly losing battery so fast?

If you see your iPhone battery draining too fast suddenly, one of the major reasons may be poor cellular service. When you are in a place of low signal, your iPhone will increase the power to the antenna in order to stay connected enough to receive calls and maintain a data connection.

Why does my phone keep turning off by itself?

The most common cause of phone turning off automatically is that the battery doesn’t fit properly. With wear and tear, battery size or its space may change a bit over time. Make sure the battery side hit on your palm to put pressure on the battery. If the phone turns off, then it’s time to fix the loose battery.

Why does my iPhone shut down at 10%?

Your iPhone’s software is in charge of monitoring the amount of battery life remaining on your iPhone. If the software or firmware isn’t communicating properly with the battery, it’s not going to display the right percentage. Just like apps on your iPhone, your iPhone’s firmware can have glitches, too.

What does it mean when your iPhone says battery is still on?

To fix the issue with your iPhone shutting off even though it says there is still battery life remaining, we’re going to do a “DFU Restore”. DFU stands for Device Firmware Update. A DFU restore reloads your iPhone’s software and firmware, so it’s an even deeper type of restore than putting your iPhone into recovery mode.

When does iPhone 5 shut down in the Cold?

The Iphone 5 shuts down when temperature drops below freezing. Were you taking pictures outside in the cold? I’m having the same issue. Identical to your issue. Apple please help must be an ios7 issue

What to do when your iPhone battery is down?

What you need to do given your current problem: When the phone shuts off and it isn’t down around 1%, connect to a charger for just a minute or 2, or wait 15 minutes, then reboot the phone (hold HOME and SLEEP until an Apple logo appears). Continue running the battery down until it shuts off around 1%.

Why does my iPhone keep turning off and on?

One of the most common reasons why your iPhone keeps shutting off is because it’s stuck in a restart loop, constantly shutting off, turning back on, shutting off again, and so on.