Black Screen After IOS 18 update

Same here, iPhone 13 pro with 86% battery health. I took it to a store to get it repaired because it seemed to be a display problem, after 5 days they returned my phone without a solution, when I realized that version 18.0.1 was available, I updated via iTunes and the screen worked again. It's very bad on Apple's part that an iOS update has such serious problems that they seem like hardware failures.

SaifulEpul ~ Apple's iPhone User Guide says: "If your iPhone isn’t working as expected, you can try restarting it by turning it off, then turning it back on. If turning it off and on doesn’t fix the issue, try forcing it to restart.":

Turn iPhone on or off - Apple Support

...If that doesn't help, the long process of applying an iOS update to an old iPhone with a weak battery can be the proverbial "straw that broke the camel's back." So...

Does your iPhone 13 Pro Max still have its original battery?

And what's the Maximum Capacity % here?...

Settings > Battery > Battery Health & Charging

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This happened to me. iPhone 13 mini with 71% battery health. Restarting my phone normally fixed the problem for me.

Clemzyprettyboi wrote: "I have this problem on my iPhone 11 Pro Max also, few days after the iOS 18 update..."

Clemzyprettyboi ~ Tthe long process of applying an iOS update to an old iPhone with a weak battery can be the proverbial "straw that broke the camel's back." So...

Does your iPhone 11 Pro Max still have its original battery?

And, if the screen comes back to life, what's the Maximum Capacity % here?...

Settings > Battery > Battery Health & Charging

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Srh8193 wrote: "This happened to me. iPhone 13 mini with 71% battery health..."

Srh ~ 71% is not healthy and is almost certainly the reason for the black screen. Apple recommends having the battery replaced at around 80% – so have the weak, aging battery replaced and all will (probably) be well:

iPhone Battery Service

About genuine iPhone batteries

Repair Provider Verification

(Articles found by searching Apple's Knowledge Base.)

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Clemzyprettyboi wrote: "It doesn't come on at all, how does the battery affect ?, the battery is its original and was at 76% last time I checked"

Clemzyprettyboi ~ 76% is not healthy and is probably the reason for the black screen. Apple recommends having the battery replaced at around 80% – and the original battery (now weak) of your Phone 11 Pro Max is well overdue for replacement:

iPhone Battery Service

About genuine iPhone batteries

Repair Provider Verification

(Articles found by searching Apple's Knowledge Base.)

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pontus272 wrote: "...I hade 81% capacity on the battery!..."

pontus272 ~ Apple suggests replacing the battery at around 80% maximum capacity. The long process of applying an iOS update to your iPhone with its weak, aging battery was perhaps the proverbial "straw that broke the camel's back." Have the battery replaced and the black screen issue will probably be resolved:

iPhone Battery Service

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Nope -

restarting and force restarting does not fix the issue.

mine restarts itself multiple tones a day.

I’m not a techie but it seems like some kind of a memory glitch issue with the iOS 18 update that wasn’t fixed in the 18.0.1 update.

Also I’m seeing many posts that issue is happening on different iPhone models, common denominator is the iOS 18.

Helppppppp99 wrote: "Can somebody tell me how to fix this problem"

Perhaps – if you indicate what model of iPhone it is.

Also, is the screen permanently black or can you sometimes open and view the Settings app?

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I have this problem on my iPhone 11 Pro Max also, few days after the iOS 18 update it the screen went completely black, but I can tell it still works, I can answer calls by swiping even tho I can't see anything. It came on the next day after it initially went black, but went black again after some minutes.

Same here. iPhone 13 Pro. Tried multiple time to restart but still persist

qm3cmom wrote: "...mine restarts itself multiple tones a day..."

qm3cmom ~ What model of iPhone is it?...

Settings > General > About > Model Name

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Can somebody tell me how to fix this problem

Mine been having the same issue, and it’s annoying as ****. I been having other issues too, like call quality and Bluetooth drop off like crazy.

It doesn't come on at all, how does the battery affect ?, the battery is its original and was at 76% last time I checked