Issues connecting to cellular data on iPhone After Update

t's crazy that people can't use their unnecessarily overpriced phone and they issue a junk update!!!! It's okay to not have a network!!! There are so many emojis! That's important!! The fact that the $2,000 phone is just a paperweight is not a problem for the engineers!!??

Have the same things on IPhone 14 Plus.

The performance of the phone has deteriorated significantly, the connection is completely lost, and it shrinks 5 times faster. Only for a reboot, 10% of the charge is lost. The support said to wait a couple of days, but it didn't help anymore. What should we do?

Updated to iOS 17.4 on March 8th. No issues at all on March 9th, but today (March 10th) keep getting a popup that says "SIM Failure".

Troubleshooting I've tried so far that hasn't worked.

•Restarted iPhone

•Reset All Settings

•Reset Network Settings

•Factory reset from March 6th backup.

•Removed SIM card multiple times

•Tried eSIM and same thing

Verizon is telling me this is an iOS issue and has nothing to do with the carriers. This is absolutely ridiculous!

I have the opposite situation cellular data is consumed enormously almost 8500 MB in almost an hour using only what’s app and face book and I don’t know how or why and this happened just after updated to 17.4 what can I do?

I also noticed system services almost consumed most of the data how can I turn it off?

So glad I came across this post. It all makes sense now. I am going crazy here trying to figure out what’s going on with my 14 pro which I bought 4 months ago. Few days back incoming calls, imessenger, FaceTime, voicemails all stopped working. Spent so many hours with T-Mobile and Apple but no one seems to know what the issue is. I can now connect the dots and see 17.4 update is to be blamed.

So much for paying a premium for such products. Apple support has been the least helpful (often times giving dumb suggestions). Very very frustrating. Apple better compensate everyone for all the troubles, waste of time and work adversely affected due to the calls not working.

Really don’t have the patience and time to do all backups, factory resets , restore etc. Not worth paying so much for the phone to deal with all this. I ll be moving to a non-Apple device soon.

Glad to find out i am not the only person having this issue, i thought it was a me thing because i literally just switched over from a google pixel phone to this iPhone 13 and thought i got sold a piece of garbage…

Not a great look for apple as someone coming from andriod and immediately having a huge issue with the basic functionality of the phone haha… Among other reasons i am beginning to question my decision to switch back to iOS. :/

I spent several days and no success. Factory reset doesn't help, even without backup restore - clean phone just ignoring sim. Reset through mac & IPSW also have no result.

This is unacceptable. Such big corporation sells premium products and cannot test software on basic phone functionality before releasing update. In modern world sim is a 2FA mechanism - I cannot use other services and bank accounts, shame on you Apple

Especially ridiculous that it is not possible to downgrade to previous version, even using IPSW - Apple just stop signing and supporting update from a MONTH AGO

Does anybody have problem with LTE cellular data signal on IOS 17.4? 3G data plan works fine, but 4G doesn’t. 4G signal is full, but every 30 minutes it goes all the way down and comes back few seconds after. I use Iphone 15 Pro Max.

Me too having some network issues after ios 17.4 , my phone is no more latching on 5G network even though i Am in 5G network coverage area. The area is same, before updating, I was having my iPhone registered on 5G but after it, I hardly see 5G on my phone. I have reset network setting, checked 5G setting in cellular data so far.

I'm having the same issue, this is unacceptable!!!! Same thing happened with the previous update, even resetting the phone didn't fix the issue, only after 10x restarts of the phone it just randomly started working. Now I'm having the same issue. Maybe instead of laying off engineers fix your product you useless management parasites

OK so in the UK on Sunday morning 24th March 2024 my iPhone 13 Pro Max on 3mobile service decided to stop mobile service and show NO SIM.

I was on IOS 17.3 - everything had been fine and no issues.

it’s now Monday 25th and no mobile service still on phone.

all systems checked and tricks done to try and reset.

soft re boot

flight mode on off and on off with longer wait

sim in and out

updates to IOS 17.4.1

nothing.

My wife who is on my old iPhone 11 Pro and on IOS 17.3.1 and 3 mobile service all IS OK.

when I click on Mobile Service (cellular in USA) I have not mobile settings but it wants to set up mobile data with a qr code or nearby phone! Both of which are NOT for my number .

also my battery is draining very fast since last night it was on 100% going to bed and this morning on 71% with nothing on.

it would normally still be in the 90s before update.

what is happening Apple this is NOT a service issue the IOS update has caused this

it’s now over 24hrs with no mobile service and I missed a call on Sunday which was important and I enter a work week with lots to do around my phone.

answers needed asap

telling as many people as possible to NOT do latest update

OK battery is even more of a joke since update.

just looking at google to try and get answers and dropped from 71% to 63% in the 15/20mins of google search. Same phone last week lasted ages on battery

2-3 trillions (whatever) dollars of company and because of their awful software update, I have to spend ridiculous amount of time and personally cover the damages that they have given to my phone&sim card. They literally destroyed the smart phone's top 1 reason of usage by their update. Shame. At least I saw, today's Apple has no advantages (even has disadvantages) over other phones in terms of stability.

I have IOS 17.4.1. Mobile data works but not always. I use eSIM of the mobile network Spusu which works on the EE’s network. I have issues with WiFi calling. I turn it on, it works for a few days and then turns off BY ITSELF. I spoke with Apple and my carrier, they just blame each other, but I’m sure it’s Apple’s fault in IOS 17.4 Quite often when I try to call from a location with an excellent reception, calls just get failed. Only restarting my phone helps, but then it comes back after some time.

This is my issue, too! Someone said something about APN needing to be reset or something. I'm going to AT&T tomorrow to see if they can fix the issue. They kept having me add an eSIM and suddenly I had four sims on my phone. -_- I need my phone so I hope they can fix it.