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Why does my iPhone 7 take so long to charge?

Author

Olivia Shea

Updated on February 22, 2026

Why does my iPhone 7 take so long to charge?

Generally when your iPhone 7 Plus is suddenly charging very slowly, it could be due to damaged charging equipment like a damaged or incompatible charging cable or USB adapter in use. It is also possible that the power source isn't able to supply the required amount of power to charge up the device in an expected pace.

Also to know is, why is my iPhone charging so slowly?

Most of the time, an iPhone charges slowly for one of two reasons: Your iPhone is charging slowly because you're using a low amperage charging source. Your iPhone is charging slowly because there is some sort of gunk or debris stuck inside the Lightning port (charging port) of your iPhone.

Beside above, how long should an iPhone take to charge? between 3 to 4 hours

Beside this, how long does it take to fully charge an iPhone 7?

I usually see a full charge take about 3 hours for my iPhone 7 Plus with the 5W brick and just over 2 hours with the 12W brick. If you don't already have a 10 or 12W power adapter (10W came with older iPads) you can pick up an official Apple one up for about $20.

Why is my iPhone taking so long to charge and turn on?

The reason why the delay is so long is because if you were to turn the device back on with a very small charge and ran software (say a 3d game) that uses a lot of power, your device may drain too fast to maintain positive charge and not be able to charge any longer.

Why is it taking my phone so long to charge?

The most straightforward reason your cell phone might be charging slower than before might have nothing to do with the phone itself. Instead, you could have a bad cord or adapter, or weak power source. USB cables get put through a lot, especially in homes with multiple users and devices.

How do I make my iPhone turn on faster after dying?

Hold down the iPhone's "Sleep/Wake" button if the device died as the result of an issue unrelated to power. The Apple logo will appear on the screen to indicate that the device is successfully powering on.

How do I fix the slow charging?

How to Fix Slow Charging on your Android Device
  1. Replace the Charging Cable.
  2. Use Airplane Mode.
  3. Get a new Charger.
  4. Avoid Charging from Powerbanks, Laptop or PC.
  5. Stay away from Phone while Charging.
  6. Replace your Smartphones Battery.
  7. Change the Android/iOS version of your Device.

Is it bad to charge your phone on low power mode?

If you reduce power, it will charge faster. The fastest possible way to charge your phone is to put it into Airplane Mode and turn off the screen. less battery usage while phone is charging should theoretically charge faster right? I tested this on my Android.

How do I get my iPhone to charge faster?

To speed up the amount of time it takes to charge your cell phone, you can:
  1. Switch it to Airplane Mode while charging.
  2. Use a wall charger versus charging it from your computer or laptop.
  3. Use a fast battery charger.
  4. Turn it off or stop using it while charging.
  5. Turn off unnecessary features.

How long should iPhone 7 battery last?

about 12 hours

Should I charge my iPhone 7 overnight?

“Sleeping with a phone charging overnight will make no noticeable difference in the process.” If the phone is plugged in after the battery is fully recharged, whether it's at night or during the day, won't affect the number of cycles. That only happens when you start using the device.

Does the iPhone 7 have fast charging?

However the iPhone 7 does not support the ultra-fast 18+ watt charging speeds that you can get with a USB-C/USB-PD adapter. You can charge the iPhone with a USB-C adapter, but the charging speed will still be capped at 10 watts, so there's no benefit to using the faster adapter.

Can you overcharge iPhone 7?

Apple advises that you can charge your iPhone whenever you like. The battery cannot be overcharged and it will not suffer any harm from regular charging, including overnight. Charging will stop automatically when the battery is fully charged and start again if and when required due to ongoing battery usage.

Can you charge your iPhone while its off?

As it turns out, this is not the case. Simply plug your iPhone in to charge while turned on (or off for that matter) and once it begins charging, power it down. If you power down after charging begins, the iPhone will remain turned off while still charging.

How do I get my iPhone 7 to charge faster?

7 tricks to speed up your iPhone's charging process
  1. Put it in Airplane Mode.
  2. Turn if off.
  3. Remove your case.
  4. Keep it cool.
  5. Use a wall charger (specifically, an iPad charger)
  6. Plug it into an active computer.
  7. Keep up with battery maintenance.

How do you know if iPhone 7 is fully charged?

Check the battery icon in the top right corner of the iPhone. This will show either if the iPhone is "Charging" or has "Charged." The icon will be a lightning bolt when the phone is charging and an electrical plug when its fully charged.

How much can an iPhone charge in 30 minutes?

Fast charge your iPhone. Fast charging gives you a quick and convenient way to recharge your iPhone 8 or later. Your iPhone fast charges up to 50 percent in 30 minutes when you use an Apple USB-C to Lightning cable and one of these adapters: Apple 18W, 29W, 30W, 61W, or 87W USB-C Power Adapter.

Is it bad to use your iPhone while it's charging?

So connecting to power while using the phone will provide better long term battery life than discharging the battery when using the phone, then charging it again. It is perfectly fine to use your iPhone while charging. Be sure you use Apple equipment to charge the iPhone (cable, charger). Thank you!

What percent should I charge my iPhone?

Apple recommends, as do many others, that you try to keep an iPhone battery between 40 and 80 percent charged. Topping up to 100 percent isn't optimal, although it won't necessarily damage your battery, but letting it regularly run down to 0 percent can prematurely lead to a battery's demise.

Can I charge my iPhone at 60 percent?

With all lithium ion batteries, you should try keep your phone battery partially charged—between 60% to 80%. Try not to charge it all the way to 100%—that puts strain on the battery, which can wear it out quickly. Never fully deplete your battery.

What is the proper way to charge an iPhone?

Therefore, we recommend the following:
  1. Do not fully charge or fully discharge your device's battery — charge it to around 50%.
  2. Power down the device to avoid additional battery use.
  3. Place your device in a cool, moisture-free environment that's less than 90° F (32° C).

How long does an iPhone battery last?

Average battery life: About 13 hours for both phones. In 2017, Apple released the iPhone 8 with a 1821 mAh battery, noticeably smaller than the iPhone 7's and bad news for anyone who wasn't impressed by that phone's battery life.

How long does it take for an iPhone to charge when completely dead?

about 3 hours

How do I force my iPhone to turn on?

Force-restarting an iPhone 6s, SE or earlier
Hold down the Home button (the one on the front of the iPhone or iPad) and the power button at the same time. Keep both buttons held until the Apple logo appears. Let go of the buttons and wait while your device completes its start sequence.

How do you know if a dead iPhone is charging?

It should appear green with a lightning bolt in the middle. When your iPhone has just died, you can tell if you're properly charging it by the icons on the black screen. If you only see an empty battery icon, your iPhone is charging and will power on shortly.

How do I revive a dead iPhone?

Try these quick tips to fix your dead iPhone:
  1. Charge your dead iPhone for at least an hour.
  2. Perform a hard reset on your iPhone.
  3. Check your cables and power adapter.
  4. Connect your dead iPhone to iTunes.
  5. Put your iPhone into DFU mode.
  6. Get more help from Apple Support.

What do you do when your phone dies and doesnt turn on?

Pull the Battery or Long-Press the Power Button
This cuts the power to your phone or tablet entirely, forcing it to shut down and boot back up. On a phone or tablet with a removable battery, you can remove the battery, wait about ten seconds, and then plug the battery back in and boot it up.

Why is my phone not turning on or charging?

If your Android device's battery is almost dead, you'll often see an “empty battery” indicator on the screen when you try to turn it on. If the problem was caused by a dead battery, it should boot up normally. If it doesn't work at all, try plugging the device in with a different cable and charger.

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