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No lags on either my X or Ipad. Battery life seems better on both than on prior release.
 
Apple won’t slow down them at this time. I am on iPhone6s, it’s time to slow it down.
11.4.1 is very smooth and fast on my 6s plus. In fact, its the best iOS 11 built so far for me, with the battery drain seems to be fixed for me as well.

Are you checked if your battery health is allright ?
 
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11.4.1 is very smooth and fast on my 6s plus. In fact, its the best iOS 11 built so far for me, with the battery drain seems to be fixed for me as well.

Are you checked if your battery health is allright ?
I feel the same way!
Apple must have had something real nice waiting for us in this (probably) last update for iOS 11.
Maybe Apple decided to throw in some of the new fast iOS 12 code as a last minute surprise for us ;-)
 
I've had no problems since installing 11.4.1 on our two iPhone SEs and two iPads. Incidentally I've also updated my Mac and Watch too.

Sorry you are having problems but, as usual, my updates just work.
 
I forgot I updated my 6S, feels the same as 11.4 to me.

Maybe something is still syncing? Did you upgrading from 11.4 or an older version of iOS?
 
Welcome to Every Single iOS Update, where some subset of users claim:

- crashes
- laggy
- battery drain

I've never experienced any of this, and I've been using iPhones since iPhone 3G.

Only unusual battery drain I've every experienced is extreme drain in densely-populated areas. Put the phone in your pocket in a dense downtown, or any large event, and the battery drains rapidly. I'm guessing all the handoff between cell locations.
 
6s with a battery replaced less than 2 months ago under the replacement plan.

Upgraded to 11.4 and suddenly my battery was rapidly draining with very light use.

Upgraded to 11.4.1 but I still don't get more than half a day, even with very light use.

Hopefully 12 will fix this problem. Otherwise I'll need a new phone -- Apple or otherwise.

Oh, and did I mention that with 11.4.1 my device got VERY unresponsive.
 
6s with a battery replaced less than 2 months ago under the replacement plan.

Upgraded to 11.4 and suddenly my battery was rapidly draining with very light use.

Upgraded to 11.4.1 but I still don't get more than half a day, even with very light use.

Hopefully 12 will fix this problem. Otherwise I'll need a new phone -- Apple or otherwise.

Oh, and did I mention that with 11.4.1 my device got VERY unresponsive.
Try to uninstall an app that probably got updated in the backgrund within the same timeframe and now is causing your problems. Btw, iOS 12 (or any other iOS) won’t ever fix the problem with crappy third party apps that drains batteries and/or make phones unresponsive.
 
I didn’t have a problem when I upgraded my iPhone 7 to 11.4.1

I got my iPhone 8 a few days ago the first thing I did was upgrade it to 11.4.1 and also no problems at all.
 
Try to uninstall an app that probably got updated in the backgrund within the same timeframe and now is causing your problems. Btw, iOS 12 (or any other iOS) won’t ever fix the problem with crappy third party apps that drains batteries and/or make phones unresponsive.
At times those types of issues aren't related to third party apps.
 
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At times those types of issues aren't related to third party apps.
i'm on sleep and wifi off.. why battery drain like a hog.. i'm thinking to re use my old huawei nova broken screen.. as long can call and receive standard information . Only on ios 10 seem great
 
Nonsense! Statements like that sends false ideas and misleads people from understanding what’s going on.
With that there definitely appears to be some sort of nonsense in play, it just doesn't appear to be where you are implying.
 
Is ballsed my mini up. Slow, a lot of tine completely unresponsive. Key board has become a nightmare as well.
 
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