How to Change iOS 12.5.5 to iOS 15?

iOS 15

Apple’s iOS 15 is the latest operating system that offers a plethora of new features and improvements, leaving behind the older iOS 12.5.5. However, iOS 15 is not available for all devices, as some of the older models may not support it.

Compatibility Check

The first step is to check if your device is compatible with iOS 15. Apple has a list of compatible models on their website. If your device is listed, then you can proceed with the update.

iOS 15 Compatible Models
iPhone 13
iPhone 12
iPhone 11
iPhone XS
iPhone XR
iPhone X

Backing Up Your Data

Before updating your device, it’s essential to back up your data. This process will ensure that you don’t lose any essential data in case something goes wrong during the update process. You can back up your data using iCloud or iTunes.

Updating to iOS 15

After backing up your data, you can proceed with updating your device to iOS 15. Here are the steps:

  1. Connect your device to a stable Wi-Fi network.
  2. Go to Settings on your device.
  3. Select General.
  4. Select Software Update.
  5. You will see the option to download and install iOS 15.
  6. Select Download and Install.
  7. Wait for the download to complete, and then select Install Now.
  8. Enter your passcode if prompted.
  9. Agree to the terms and conditions.
  10. Wait for the installation to complete, and your device will restart.

Post-Update Checklist

After the update, there are a few things that you can check to ensure that everything is working correctly:

  • Check your device settings and ensure that they are still the same.
  • Check if all your apps are working correctly.
  • Ensure that you can connect to Wi-Fi and cellular data.
  • Check your camera and other hardware features.


Updating your device to iOS 15 is a simple and straightforward process. However, it’s essential to back up your data before updating to avoid any data loss. The new features and improvements that iOS 15 offers are well worth the effort.

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