Why does my iPhone shut off at 40 percent battery?

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 phone turn off at 40 percent?

This is a characteristic of li-ion batteries (and all batteries) whereby they develop increased internal resistance (usually by drying out), meaning that they can have voltage, but diminished “power”, i.e. current. The voltage is what is measured to give a percentage of “charge”.

Why does my iPhone turn off when I still have battery life?

Most of the time this is simply due to the fact that the lifespan of your iPhone battery has reached its end. This means that Apple, a service provider or you will have to replace the battery in the device.

Why is my iPhone X battery dying so fast?

A lot of things can cause your battery to drain quickly. If you have your screen brightness turned up, for example, or if you’re out of range of Wi-Fi or cellular, your battery might drain quicker than normal. It might even die fast if your battery health has deteriorated over time.

Why does my iPhone shut down at 50 percent battery?

So your iPhone battery icon on the top right of your screen might show 50\%, even when it’s about to die. To fix the problem, Apple suggests iPhone owners restart their phones, then go to Settings > General > Date & Time and make sure that “Set Automatically” is turned on.

Why is my phone dying when it still has battery?

Temperature is probably the most common reason that smartphone batteries die unexpectedly. As mentioned, your battery is made possible by chemical reactions. If your phone becomes too cold, the reactions can slow down, causing your battery to shut off suddenly even when it still has 30 or 40\% juice.

Why is my phone dying at 50\%?

Why is my iPhone shutting off by itself?

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 does my iPhone turn off 50\%?

Why does my iPhone shut down at 30 battery?

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.

How to fix an iPhone battery that keeps turning off?

Draining the battery to 0\% and charging to 100\% is a great way to get the unexpected shut-off problem to resolve itself. Go to Settings > Battery > Battery Health to view whether the iPhone battery needs to be replaced. The “Maximum Capacity” and “Peak Performance Capability” will tell you whether there’s a sign of issue with the battery.

Is your iPhone’s battery life not displaying correctly?

Not necessarily. More often than not, what’s actually going on is that your iPhone isn’t talking to the battery correctly. 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.

How to extend battery life on iPhone?

Tips and trick to extend iPhone battery life. 1 1. Turn off the Automatically Update. 2 2. Reduce Screen Brightness. 3 3. Turn off Take App Suggestions. 4 4. Stop Motion & Animations. 5 5. Turn Off WiFi when you are not using it. Go to Settings >> WiFi, tap the green button next to it one time to disable it.

Why is my iPhone randomly shutting off?

Sometimes, issues related to iPhones randomly shutting off are caused by water damage or other unfortunate accidents. But don’t lose hope! A lot of the time, you can fix this problem at home. I’ve Got A Faulty Battery, Right? Not necessarily. More often than not, what’s actually going on is that your iPhone isn’t talking to the battery correctly.