How do you calibrate your iPhone battery?

Yes, you can calibrate your iPhone battery and the first step on this process is by draining off the battery until it reaches 0%. There’s more so read on.

What is iPhone battery calibration?

As the name suggest, battery calibration is like reprogramming it with its 0% to 100% range. This will improve battery life when you think that an iPhone battery is maybe draining faster than usual.

Why would you re-calibrate an iPhone battery?

After an update, iOS can be faulty in determining how much power an iPhone battery can hold. It may confuse the new operating system with the actual remaining power that even a simple reboot can’t make the cut.

How do you calibrate your iPhone battery?

  1. Use your iPhone until it shuts off automatically. If it is near 0% battery life and you want to drain it faster, turn on the flashlight, turn up screen brightness all the way and play a video, preferably streaming from the Internet.
  2. Let your iPhone sit overnight to drain the battery further.
  3. Plug your iPhone in and wait for it to power up. Make sure to use the charger supplied by Apple or one that runs at the same wattage and amperage.
  4. Hold down the sleep/wake button and swipe “slide to power off”.
  5. Let your iPhone charge for at least 5 hours. The charge progress indicator is not displayed while your iPhone is turned off.
  6. With the charging cable still connected, press the sleep/wake button for about a second to start up your iPhone.
  7. When the iPhone has booted up, hold down the sleep/wake and home buttons until you see the Apple logo.
  8. When your iPhone is back online, remove the charging cable.

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