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My iPhone 11 Pro is 50% slower after I updated to iOS 14.5.1

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Re: My iPhone 11 Pro is 50% slower after I updated to iOS 14.5.1

#2
A lot of reports on the internet about this.

I updated this morning and continued working on an iOS app. Everything felt slow. I thought I did something stupid in my code. Apparently not. As per this Geekbench 5 test, the phone scores ~1200 where it used to regularly score ~3000+ (!!!).

There's a lot of rumors what's the cause of this but no official explanation from Apple as of right now that I can find.

Re: My iPhone 11 Pro is 50% slower after I updated to iOS 14.5.1

#3
post #2

A lot of reports on the internet about this. I updated this morning and continued working on an iOS app. Everything felt slow. I thought I did something stupid in my code. Apparently not. As per this Geekbench 5 test, the phone scores ~1200 where it used to regularly score ~3000+ (!!!). There's a lot of rumors what's the cause of this but no official explanation from Apple as of right now that I can find.

Aaaand it's fixed... I didn't do anything specific. It took a few hours (?!) after the upgrade. It scored many times low, but now it seems to score at a normal level (3000+).

Really wonder what the explanation for all of that is.

Re: My iPhone 11 Pro is 50% slower after I updated to iOS 14.5.1

#4
post #3
post #2

A lot of reports on the internet about this. I updated this morning and continued working on an iOS app. Everything felt slow. I thought I did something stupid in my code. Apparently not. As per this Geekbench 5 test, the phone scores ~1200 where it used to regularly score ~3000+ (!!!). There's a lot of rumors what's the cause of this but no official explanation from Apple as of right now that I can find.

Aaaand it's fixed... I didn't do anything specific. It took a few hours (?!) after the upgrade. It scored many times low, but now it seems to score at a normal level (3000+). Really wonder what the explanation for all of that is.

Background process doing some sort of migration or other data conversion between versions? Strange the device wouldn't wait until during the night while plugged in, but without context, that might not be an option.

Re: My iPhone 11 Pro is 50% slower after I updated to iOS 14.5.1

#5
post #3
post #2

A lot of reports on the internet about this. I updated this morning and continued working on an iOS app. Everything felt slow. I thought I did something stupid in my code. Apparently not. As per this Geekbench 5 test, the phone scores ~1200 where it used to regularly score ~3000+ (!!!). There's a lot of rumors what's the cause of this but no official explanation from Apple as of right now that I can find.

Aaaand it's fixed... I didn't do anything specific. It took a few hours (?!) after the upgrade. It scored many times low, but now it seems to score at a normal level (3000+). Really wonder what the explanation for all of that is.

Indexing or rebuilding I guess.

Re: My iPhone 11 Pro is 50% slower after I updated to iOS 14.5.1

#6
post #3

Earlier quoted context omitted.

Aaaand it's fixed... I didn't do anything specific. It took a few hours (?!) after the upgrade. It scored many times low, but now it seems to score at a normal level (3000+). Really wonder what the explanation for all of that is.

Background process doing some sort of migration or other data conversion between versions? Strange the device wouldn't wait until during the night while plugged in, but without context, that might not be an option.

Kind of sad that we don't have a top or process viewer. Or free -m / open system. This makes me yearn for an open source OS on my phone again, I may have to look into a pine phone.

Re: My iPhone 11 Pro is 50% slower after I updated to iOS 14.5.1

#7
post #3

Earlier quoted context omitted.

Aaaand it's fixed... I didn't do anything specific. It took a few hours (?!) after the upgrade. It scored many times low, but now it seems to score at a normal level (3000+). Really wonder what the explanation for all of that is.

Indexing or rebuilding I guess.

Yeah pretty sure it’s this. Have seen various complaints about both macOS and iOS sluggish performance post upgrade to end up being just temporary while caches / indexes rebuilt, file systems migrated etc

Re: My iPhone 11 Pro is 50% slower after I updated to iOS 14.5.1

#8

Earlier quoted context omitted.

Background process doing some sort of migration or other data conversion between versions? Strange the device wouldn't wait until during the night while plugged in, but without context, that might not be an option.

Kind of sad that we don't have a top or process viewer. Or free -m / open system. This makes me yearn for an open source OS on my phone again, I may have to look into a pine phone.

[deleted]

Re: My iPhone 11 Pro is 50% slower after I updated to iOS 14.5.1

#9

Earlier quoted context omitted.

Indexing or rebuilding I guess.

Yeah pretty sure it’s this. Have seen various complaints about both macOS and iOS sluggish performance post upgrade to end up being just temporary while caches / indexes rebuilt, file systems migrated etc

Likely, yes. The thing is, the phone does not "heat up". Perhaps they throttle the whole phone down globally and let the background update processes run at a slow speed/low priority so they don't heat up the phone too much.

Re: My iPhone 11 Pro is 50% slower after I updated to iOS 14.5.1

#10
post #3

Earlier quoted context omitted.

Aaaand it's fixed... I didn't do anything specific. It took a few hours (?!) after the upgrade. It scored many times low, but now it seems to score at a normal level (3000+). Really wonder what the explanation for all of that is.

Indexing or rebuilding I guess.

Yet no notification. The goblins inside the ios doing their thing behind closed doors.

Even a heads-up saying "hey we're doing some work behind the scenes on your device as part of the upgrade" would do.

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