I’m sorry for the confusion when I said “set up the constraints as advised by Apple walkthrough” I did mean the Auto Layout guide not walkthrough on the Apple developer Guides and Sample code. I have a couple of screenshot and il see if I can link them from a image upload website to show you what I mean. But if I can’t il explain below.
I can set the label to the middle of the screen on iPhone X but when I switch to iPhone 8 Plus for example, the label is moved to the left and moved at the top of the screen but It’s not centered.
https://imgur.com/a/w3bI1eq
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Edit: I think ive managed to do it now, and I'm not getting any red errors about the constraints and the images are included in the link provided in this post. Would this stay in position on all devices? Thank you for helping, It's much appreciated.