Video: iOS 11 bug crashes iPhones and disables access to iMessage

If you're the sort that will want to pull the trigger on upgrading to iOS 11.3 -- which is likely to be soon -- the moment it's released, there are some steps that you should take so you don't end up in a world of hurt.

Must read: Dear Apple: iOS is now a toxic hellstew[1]

When will iOS 11.3 arrive?

Word is that it will land tomorrow, coinciding with Apple's "Let's Take a Field Trip'" event.

How will you get iOS 11.3?

The recommended way is to tap Settings > General > Software Update and carry out the refresh from there.

Alternatively, you can connect the iPhone or iPad to a PC running iTunes and do the upgrade from there.

What devices can run iOS 11.3?

If you're running iOS 11, then you can get iOS 11.3. If you're still running iOS 10, read on.

iOS 11 is supported on the following devices:

  • iPad Air
  • iPad Air 2
  • iPad Pro
  • iPad mini 2
  • iPad mini 3
  • iPad mini 4
  • iPod touch 6th
  • iPhone 5s
  • iPhone SE
  • iPhone 6/6 Plus
  • iPhone 6s/6s Plus
  • iPhone 7/7 Plus
  • iPhone 8/8 Plus
  • iPhone X

This means that not all devices that run iOS 10 can run the iOS 11.3. Specifically, the following: are not supported:

  • iPhone 5
  • iPhone 5c
  • iPad 4

So, the oldest Apple devices that can support iOS 11 will be the iPhone 5s and iPad Air.

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