How to Update iPhone to iOS 15.5, iOS 16 in 2022

Last Updated on Mar 15, 2022

You can update your iPhone supported to iOS 15 using two methods one is over-the-air and using iTunes. From these two ways, OTA update is quite straightforward than connecting the device to Finder on Mac and PC via iTunes. Nope, Here I will show you the total process to update iPhone to iOS 15.4 using iTunes and OTA update Download then Install without iTunes. Let’s dive into the following instruction to update your iPhone to iOS 15.4.

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Before getting started, you don’t need to forget that you must have a new back up copy because backup will help you if accidently you lose your phone data.

Useful Links:

Free up Storage Space on iPhone

Update your any iPhone running iOS 15.4 using iTunes

Update your iPhone via OTA update without iTunes

Step #1. Launch Settings App on your iPhone

Step #2. Go to General

Step #3. Tap Software Update

Wait until your Phone explores the available iOS 15.4 update

Fix Download and install greyed out

Fix [iOS installation problems]

Step #4. You can see the iOS 15.4 update along with Storage size, feature details, and clickable option Download and Install.

So Tap on Download and follow the on-screen instruction as usual.

After downloading iOS 15.4 successfully, the next process is installing iOS on your iPhone.

So this was the way to download and install iOS 15.4 update on iPhone wirelessly. It’s a Useful trick without iTunes and without Mac/Pc.

Using iTunes on Mac/Windows PC – You can Update to iOS

Requirements:

  • Latest iTunes installed on your Mac or Windows PC
  • Lighting to USB cable to plug your iPhone to Pc through USB Port
  • Strong Wi-Fi network

Guide to Download and install iOS on iPhone using iTunes

First, open up iTunes on your Mac or PC then connect your iPhone to your computer.

In iTunes, let’s select your device.

In the summary pane, Click on Check for Update.

Next, Click Download and Update.

That’s it!

If you are facing any error message during an update, then follow the bottom steps to resolve error problems.

  • Update iTunes
  • Update Your Computer
  • Plug directly into your computer
  • Restart – Turn Off your PC and your iPhone
  • Check your Computer’s Security Software
  • Try again – yeah, try back to update or restore your iPhone.

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