iPhone not working after battery replacement? The fix

Are you experiencing issues with your iPhone after replacing the battery? Is it a faulty home button, an unresponsive touch screen, and ID, or failure to turn ON?

Whatever it is, we have a couple of solutions that could help you out. They include:

1. Hard reset your iPhone

A hard reset forces your iPhone to restart and this helps to fix different software issues that might cause your phone not to work after battery replacement. The hard reset process varies from one iPhone model to the next. Here is a complete guide you can follow:

iPhone 8, SE 2, and Later Models

  • Press and release the Volume Up button
  • Press and release the Volume Down button.
  • Press and hold the side button
  • Release the side button when you see the Apple logo

iPhone 7 and 7 Plus

  • Press and hold both the power button and volume down button.
  • Release them when you see the Apple logo

iPhone 6s and older Models

  • Hold the power button and home button simultaneously.
  • Release both when you see the Apple logo on your screen.

Read Also: How to your iPod Touch to show the battery percentage?

2. DFU restore your iPhone

Next, you can do a Device Firmware Update (DFU) restore your iPhone to see if it starts working after the battery replacement. This process will erase and reload your iPhone’s software and firmware. Thereby fixing errors and eliminating corrupt files.

Here is how to DFU restore for different iPhone models

iPhone SE, 8, 8 Plus, and those with Face ID

  • Connect the iPhone to your computer using a charging cable.
  • Press and release the Volume Up button fast.
  • Press and release the Volume Down button fast.
  • Press and hold the side button until the screen goes black.
  • Press and hold the side and volume down buttons simultaneously for 5 seconds
  • Release the side button but continue holding the volume down button
  • Release the volume down button when iTunes or Finder identifies your phone.
  • Follow the on-screen instructions to restore your iPhone.

iPhone 7 and 7 Plus

  • Use a charging cable to connect your iPhone to your computer.
  • Press and hold the power button and volume down button simultaneously for 8 seconds
  • Release the power button but continue holding the volume down button
  • Release the volume down button when Finder or iTunes identifies your iPhone
  • Follow on-screen instructions to restore your iPhone.

Older iPhone Models

  • Use a charging cable to connect your iPhone to your computer.
  • Press and hold the power button and home button simultaneously for 8 seconds
  • Release the power button but continue holding the home button
  • Release the home button when Finder or iTunes identifies your iPhone
  • Follow on-screen instructions to restore your iPhone.

3. Replace the battery

Still, your iPhone won’t turn ON after battery replacement? Then you might be dealing with a faulty battery. Even though it’s rare, it happens.

You should consider installing another battery immediately. The best way to go about it is to take the iPhone to a certified Apple technician. They will get you a good Apple battery and install it without causing any damage or risk.

NOTE: For iPhone XS, iPhone XS Max, iPhone XR, and later versions, you can check if the battery is genuine by going to “Settings”, then “Battery”, and finally, “Battery Health”. If you get the message below then the battery isn’t new or genuine.

“Unable to verify this iPhone has a genuine Apple battery. Health information not available for this battery.”

Read Also: Why your iPhone keeps showing a low battery image

4. Calibrate your new battery

If you were wondering what to do after replacing an iPhone battery to avoid issues, start with calibrating the new battery. This is as simple as draining the battery until it dies then charge it up to 100% without any interruptions. It helps to jumpstart a new battery in an old iPhone.

This is also known as resetting the iPhone battery. You should consider doing it every few months to keep the battery percentage accurate.

5. Turn ON Assistive Touch

This solution will temporarily help you when the home button on your iPhone is not working after battery replacement. It creates a virtual home button that you can use to navigate.

Here is the guide to activate the assistive touch function:

  • Open the Settings app.
  • Go to “General”.
  • Click on “Accessibility”.
  • Click on “Physical & Motor”.
  • Select “Assistive Touch”.
  • Go back and check if the iPhone is working.

6. Contact Apple Support

In case everything else fails, reach out to Apple Support. Tell them about your problem, when it started, and the solutions you’ve tried in vain. They’re better-placed to know what to do because of their deep knowledge and understanding of iDevices. Plus, you’ll be sure of getting a genuine Apple battery replacement.

Remember to carry your warrant if it’s still valid when visiting any of the Apple stores. It’ll save you a considerable amount of fees.

With that, you now know what to do when your iPhone’s Touch ID is not working after battery replacement. Let us know which fix worked for you, including those that are not on the list.

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