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iPhone 11 “Jerk Mode”

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iPhone 11 “Jerk Mode”
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Rocket Surgeon
Join Date: Feb 2005
Location: Whitby
2020-11-23, 13:20

I have a weird and intermittent issue with my iPhone 11 that I’ve taken to calling “Jerk Mode”.

It mostly manifests as the camera just showing a black screen, no live preview. But that’s only the most obvious symptom - sometimes it just shows up as apps behaving “weirdly” with maybe a single unresponsive button, or not updating content. Then I go check the camera app and there’s the black screen. A reset usually fixes it and I don’t get it again until a day or so later.

Has anyone else heard of anything similar? Is my 11 just a lemon? The frustrating thing is it’s not easily reproducible so I don’t feel able to take it to the Genius Bar for support.
Join Date: May 2004
Location: near Bremen, Germany
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2020-11-23, 15:47

I have an 11 and can’t think of a similar behavior.
Lord of the Rant.
Formerly turtle2472
Join Date: Mar 2005
Location: Upstate South Carolina
2020-11-23, 16:29

I had that on an older OS with my Xs. I ended up going into restore mode and reinstalling IIRC. I of course made a backup on my computer as well as iCloud beforehand, but you can restore without wiping your device to retain settings. That we enough for me.

My biggest symptom was the camera you mention. I'd open it and the screen would go black. I could swipe up and the bar would show on the screen but I didn't get the preview or overlay of the controls.

Louis L'Amour, “To make democracy work, we must be a notion of participants, not simply observers. One who does not vote has no right to complain.”
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Mr. Katan
Join Date: May 2004
2020-11-24, 10:44

I've had a weirdo-acting iPhone on a couple of occasions over the past 13(!) years. A full factory reset/rebuild (just treated it like a new phone) fixed it both times. I didn't do a "restore from backup", in case the problem was some sort of corruption/glitch in the existing system, so I just wiped everything clean and built completely fresh, and those issues all went away. This happened on my iPhone 4 and briefly-owned, "stopgap" iPhone 5c, both well over five years ago (the 2010-2012 and late-2015 timeframes).

It's a hassle, and not my favorite way to spend time, but I'd exhausted all other fixes/options. And it wasn't that bad, especially when they acted right again. Time well spent; that's why God makes rainy Saturdays.

"Well, I can't do much else today...".
Rocket Surgeon
Join Date: Feb 2005
Location: Whitby
2020-11-24, 23:11

Thanks all! I’ll give that a go as my next step.

Edit: My phone is HAWT.

Last edited by Bryson : 2020-11-25 at 16:06.
Rocket Surgeon
Join Date: Feb 2005
Location: Whitby
2020-11-26, 17:32

Darn. Jerk Mode persists.

Unfortunately, I'm enrolled in the Beta, so I've killed the profile and will wait for the 14.3 release "proper" before I do much else. If I make an issue of it now they'll blame it on the Beta, I'm sure.

I guess I could try the "no backup" route but crikey, that seems like a lot of work.
Sneaky Punk
Join Date: Oct 2005
Location: Vancouver, BC
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2020-11-26, 19:04

Camera gate 2.0 coming up. Didn't the iPhone 5 or 5s have this problem in the past, and Apple lost in a civil suite and had to pay out?
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