Here are our top power-saving tips in order to fix your iPhone battery life problems after updating to iOS 10 or upgrading to iPhone 7.
Apple currently offers the standard iPhone 7, iPhone 7 Plus, iPhone 6s, iPhone 6s Plus, and the smaller iPhone SE. Between them, they’re rated for 10 to 12 hours of battery life while browsing the web, checking email, and chatting. But if you’ve just updated to iOS 10, or you’re upgrading to an iPhone 7, you might see a serious drain on your battery power. Here’s what you can do to fix iPhone battery life and get on with your life.
Wait for it
Whether you restore from backup or set up as new, your new iPhone or new version of iOS 10 could expend up a lot of power downloading apps, games, mail, photos, and other content. That’s because the Wi-Fi radio stays on for a long time, and Spotlight — the iOS search system — has to index everything. When radios and processors can’t sleep, power consumption goes way up.
If you’ve just upgraded the hardware, updated to iOS 10, or restored, give things a day or so to finish up and go back to normal. If you’re fine after that, great. If not, keep reading!
Test on standby
In addition to the system taking a while to really finish transferring everything over, we also tend to spend a long time playing with new phones and new features. That’s especially true with things like Live Photos, 12 megapixel cameras, 4K video, iMessage apps, Siri integrations, and more. So the screen stays on, storage gets written to, WI-Fi and maybe cellular radios stay lit up, and power gets consumed.
In other words, if you’re battery feels like it’s only lasting half as long, the first step to fixing it is figuring out if you’re using it twice as much.
So, note down how much battery life you have left. Then put your iPhone down for 20-40 minutes. When you pick it back up, note down how much battery life you have left again. If there isn’t a big change while in standby, you’re probably okay, and your battery life will return to normal when your usage returns to normal (after the novelty wears off).
If your iPhone continued to drain and drain fast, even when you weren’t using it, keep reading!
Rebooting, restarting, or resetting is the oldest cliche in troubleshooting. Because it works. Sometimes a good reset is all that’s needed to kick bad bits loose.
iPhone 7 requires different button combo than previous iPhones models:
If your iPhone 7 stops responding and you can’t even turn it off by holding down the power button, you may need
1. Press and hold down the On/Off button on the right side
2.While continuing to hold the On/Off button, press and hold the volume down button on the left side of your iPhone.
3.Hold both buttons as the screen turns off, and keep holding them until the screen turns back on and displays the Apple logo.
For those previous iPhones updated to iOS 10, it’s the same buttons:
1.Press and hold down both the Sleep/Wake button and the Home button at the same time.
2.Keep them held down until you see an Apple logo.
On iPhone 6, iPhone 6 Plus, iPhone 6s, and iPhone 6s Plus, the power button is located on the right side:
On iPhone through iPhone 5s, and iPhone SE, the power button is located on the top:
Once your iPhone has rebooted, repeat the previous steps and see if battery drain has returned to normal. If not, keep reading!
iOS contains a terrific battery usage — aka battery shaming — utility that lets you know exactly which apps and services are using your battery and how.
1.Launch Settings from your Home screen.
2.Tap on Battery.
3.Wait a moment for Battery Usage to populate.
4.Tap on the Show Detailed Usage button to get a breakdown of foreground and background power usage.
5.Tap on Last 7 Days to get a broader look at power consumption over time.
It can be tricky to understand, but here’s the deal: If you see iCloud Photo Library there, and you’ve just upgraded, it’s a sign you’re downloading thumbnails and things should return to normal when you’re done. If you see Facebook there and it says 4% on screen and 40% on background, it’s a sign something has gone wrong.
At that point, you can force quit a rogue app and likely get your power consumption back to normal.
1. Double click the Home button to bring up the fast app switcher.
2. Swipe to the app you want to force quit.
3. Touch the app card and flick it up and off the screen
If an app appears to be consistently misbehaving, you can try re-installing it or even switching to an alternative app or a service’s website for some of your activity.
Restore as new
Sometimes restoring from an old backup, especially a backup of a different device like an iPad, can be less than ideal. Cruft builds up and things just don’t run like they used to. Sometimes your once-fresh setup also goes stale.
If you suspect that’s the case, you can suck it up and set up your iPhone as new. Yes, it can be an incredible pain in the apps, but if you have a significant and continual problem, and nothing else can fix it, setting up as new can be a solution.
It’s the nuclear option, no doubt about it. You will have to set up almost everything again, including passwords and settings, and you will lose all your saved data like game levels, health, and activities, but in most cases, your battery life will be better than ever.
Battery iPhone cases and banks
If you need to go longer than the built-in battery in your iPhone will allow, one option is to get an external iPhone battery. You can either get a battery case or. a battery bank. A battery case keeps everything tightly packed together but limits the size and scope of the power source — it can’t be too big to fit in your pocket, and it typically can’t power other devices as well. A battery bank can come in all shapes and sizes and can often charge multiple devices, even at once.
I have both an battery case for my iPhone 7 and a battery bank with two charging ports for my iPhone 7 Plus and iPad. They’ve both been life savers, especially when traveling. Here are some of iMore’s favorites:
Low Power Mode
If your battery life is normal but you want to get even more out of it, case or no case, you can use Low Power Mode. It turns off processes and otherwise conserves as much power as it can.
1.Launch the Settings app from the Home screen.
3.Toggle Low Power Mode to on.
You can tell when Low Power Mode is enabled by looking at the color of the battery icon — it turns yellow. It will automatically turn off any time you recharge above 80% or more, so if you want to keep it on, you’ll need to switch it on every time.
You can also switch on Low Power Mode quickly by using Siri. Just say “Hey Siri, turn on low power mode!”
If even Low Power mode isn’t enough — you’re stuck in the wilderness, at a conference with poor reception and no power — there are a few other hacks you can try.
-Turn down the screen brightness.
-Set Auto-Lock to 1 minute.
-Use headphones instead of the speaker if you have to listen to audio or music.
-Hide the Clock app in a folder. That animation uses GPU cycles. (Okay, silicon geeks only.)
Every once and a while, you get a problem you just can’t solve. Like any electronics, sometimes things go wrong. If you have AppleCare or AppleCare+, you should absolutely book a Genius Bar appointment and avail yourself of it. If you don’t live close to an Apple Store, you can call 1-800-MY-APPLE in order to set up a mail-in repair.
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