IOS 6.1.2 decreased cellular data connection

I lost 3G connection on IPad 2 after IOS 6.1.2 update. There is a 3G sign but no actual connection. What seemed to help was switching from automatic carrier to choosing the carrier manually.

Good luck!

Same here. My iPhone 4 works good all the way from 6.0, 6.0.1, until 6.0.2. After updating to iOS 6.1, which would be a bigger update, my nightmare starts. The signal bar looks good as usual, but the cellular connection speed is just slow. It's now around 0.5Mbps to 0.8Mbps vs before between 2.0Mbps to 3Mbps. And phone call drops 1 out of 20. My iPhone used to switching between 3G n 2G simultaneously where I can hardly notice. Now can be dropped. The num of poor quality callings appears to increase from1 out of 10 to 3 or 4 out of 10, which I'm coursed more and more by my friends on the other end of phone. I'm on Optus network in Australia. I can't exclude some terrain fact or system maintenance, tower updating by carrier. However, from iOS 6.1, my iPhone changed. The issue is pretty noticeable. And iOS 6.1.2 doesn't correct the issue whatsoever.

After installing 6.1.2 onto my iPad (3rd gen), I get unstable VZ LTE. It catches on to the LTE signal, then after about 5-10 minutes, it totally drops the signal, reconnects and gets on the 3G band.

I then either kill/start the Cellular data option or kill/start Airplane mode. Both get me back to LTE for another 5-10 minutes. I've also reset network connections more times than I can count. I've done everything short of resetting everything to start all over again.

This has NEVER happened since I bought the iPad about a year ago. The VZ network has never failed me before this update. Has anyone heard of a fix?

I have the similar phenomenon happened to my iPhone 4

I have also experienced problems on my iPad Mini's LTE since installing 6.1 - actually the device seemed less responsive since the update. I'm on 6.1.2 now and I am getting LTE service again but am not sure if 6.1.2 was the fix.

Apple needs to provide some means for users to read out their signal strength in numeric values instead of the unreliable and "fuzzy" 1-2-3-4-5 bar system. I used to design and write network applications for some very big companies and it would be laughable to try and debug anything using these bars.

For some reason, Apple is baulking at providing numeric readout for signal strength and it is not looking good on them.

You can dial the numbers down there on your iphone to see signal bar in numbers. I don't know how to do that on iPad though.

*3001#12345#*

Have fun!

Have anyone tried ios 6.1.3 beta 2?

Just wanted to know if the issue is fixed.

Anyone with developer account, I would request to try and let us know ?

Thanks

I have the same problem in Brazil with iPhone 5. Using iOS 6.1.2 have no solution. Only we are left waiting for a new update. Disappointing!

Hey Everyone,

Just as a commentary on all the troubles being reported on this thread, you might find it interesting to know that on the Wall Street Journal's Website the other day, they had a video interview with a well known IT gentleman who is describing all sorts of major problems that have started occurring in many company's Internet Networks, all coming from staff who had upgraded their IPhones ( all types ) and possibly ipads as well to the Newest version IOS 6.1.2.

It has become so bad a problem that companies are warning all of their employees who have brought their IPhones and Ipads into company's Network systems to NOT upgrade if they haven't upgraded already.

This applied also to IPads as well i believe. I can post a link here to the interview but as far as viewing it goes, it would require a paid subscription to the Wall Street Journal Online to access it. So I apologize for the vagueness of my post, but since it was a video interview and it covered a lot of technical issues, it is almost impossible for me to quote anything specifically. I probably am not even allowed to post or copy and paste paid content from the WSJ to any other site, especially one as public as this one. If anyone knows more about this then I do then just let me know.

So to summarize if you haven't upgraded yet, DON'T upgrade! Apple is working on a fix for the problems and will probably have it ready soon. But as of now it has some really major flaws in it. If you have upgraded you cannot "go back" to the last version.

One of them that was discussed was at companies internal intranet systems the upgraded IPhones when connecting to the companies system start to overload said systems with continuous streams of data "inquiries" or requests (I am paraphrasing here) resulting in Denial of Service and data overload problems.

I will post anymore info that I come across that is pertinent to this thread. But to reiterate, people who did upgrade now have affected IOS devices and just have to wait for Apple's Fix to be issued, according to that interview as mentioned above.

This is the title of the WSJ interview.

TECH

Microsoft: iPhone iOS 6.1 Has Bugs

Apple's latest iOS 6.1 update is giving CIOs a major headache as a bug in the software clashes with corporate networks. CIO Journal News Editor Thomas Loftus joins the News Hub to discuss the latest Apple snafu. Photo: Getty Images.

If you have access to the CIO Journal there is more information there.

I am unsure of any laws of compliance that involve posting links to paid WSJ content as I stated before. So for now I am not posting the link to the video interview. Cheers!

Bandit7, your information seems to refer to problems that iOS 6.1 is causing on corporate intranets that use Microsoft Exchange Mail. Here's an online story on it from CIO Journal (WSJ):

http://blogs.wsj.com/cio/2013/02/14/apple-ios-6-1-flaw-bugs-cios/

This problem may or may not be related to the LTE connection issues.

From my own experience, iOS 6.1 and 6.1.2 both also seem to affect how fast the device responds in the iPad cover LOCK/UNLOCK operation. Before 6.1 my iPad Mini always LOCKED immediately and CLICKED. But after 6.1 it often fails to lock and sometimes locks with a very noticeable delay. This implies possible issues with event handling operations.

Found another news story that says 6.1.2 may not have fixed all of the MS Exchange problems.

http://www.gottabemobile.com/2013/02/25/ios-6-1-bugs-still-plaguing-users/

I used to do commercial network software development and you can bet someone in software development and quality control are going to get sent down for this. These problems should not happen.

As for my original LTE problems, they seem to have gone away after 6.1.2 because I now get connections when I am away from home. My cellular connection still does not work when I am at home but I've determined that it is due to a poor signal from my local carrier, ROGERS. I am pretty certain that they turned up the signal when they provisioned my nano LTE SIM so it worked during the provisioning but after a few hours I got no signal. When I drove around the neighbourhood, I mapped out the boundary of the dead zone where the signal drops off. Otherwise, I got a good LTE connection outside the dead zone.

In a nutshell, your ISP may also be messing around with your connection. It's the old bait and switch trick. I don't need cellular connection at home because I have a WiFi on cable. That's the only reason why I'm not switching my ISP right away - I'll "fix them" later.

Hi, thanks for finding that link from WSJ. You are absolutely correct It was about Microsoft Exchange Mail and also Outlook. By the way, I would really like to know how you got that past their pay wall. -:)

I couldn't find that article. So there isn't any community or WSJ policies against posting links I gather.

So you were in Network software Development? You are definitely right that some heads are gonna roll from this mess up. Apples shares are down about 35% or more from their high just 4-6 months ago and this isn't going to help with their "recovery".

Did you have any connectivity or signal strength issues from your provider before the latest update? From 6.0.1?

Thanks!

You know that battery drain problem people reported and the MS Exchange bug may have a common connection. The battery may be draining if iOS is running some messaging process that has gone into an infinite loop and is draining the battery by transmitting garbage.

This may also explain my perception that my iPad became less responsive since the 6.1 update. If you have runaway process(es) going in infinite loops you will definitely experience a slow down. It also depends on what priority level the process(es) are running at and whether they eventually time out and/or how often they get triggered again.

And yes, I do notice my iPad Mini battery is draining faster than my iPad 2 which is still running iOS 5.

Bandit7, my iPad Mini was working fine on the road before 6.1 and then I noticed I couldn't use Map or even Safari or Mail when I was running around town. At first, I thought I was just in dead zones but after noticing my iPad Mini no longer worked outside my WiFi network I realized LTE wasn't working at all. The iPad also had problems switching to 3G, so there was no cellular connectivity. Removing the LTE mode activated the 3G connection but it was also flaky.

My beef with Apple was that they did not provide any apps that displayed the actual signal strength in numerical db values. The 1-2-3-4-5 bar display is a joke, completely useless - it's just something to keep users "amused". You have no idea what the bars mean and what they mean can differ from one model of phone to another so it is pure nonsense. The bars are meant to confuse and confound users, at the same time offer a false sense of having a network "connection".

To troubleshoot a signal issue you need a readout of the actual signal strength in non-ambiguous terms that any engineer will understand. Not sure why Apple does not provide this feature or allow 3rd party app developers to provide it. There may have been apps that had this feature in the past but they no longer exist for some reason.

A possible reason may be a political one - carriers and ISPs often "play" with their customers, turning up or down the level of service (signal strength in your neighbourhood) to suit their provisioning and cost goals. ISPs are never really honest with their customers - they do frequently mess with the level of service you receive. It's just that customers have no way of monitoring or measuring this. Having a signal strength readout on your iPhone or iPad effectively turns that device into a service level monitoring device and ISPs may have an issue with Apple as a result. Imagine every "Dick and Jane" iPhone/iPad customer monitoring how well their ISP is providing service.

Apple's success with cellular devices is heavily dependent on how much sales support Apple receives from ISPs and carriers. You see what I mean. Dirty business.