How to install iOS 6 beta 4 despite "Unable to Check for Update" error

How to install iOS 6 beta 4 despite

After Apple released iOS 6 beta 4 yesterday, we started getting flooded with emails and tweets concerning an "Unable to Check for Update" error that was occurring when trying to install the new beta over-the-air (OTA). If you're a developer trying to install iOS 6 beta 4 and you keep getting that error, here's what you can do...

Turn off Wi-Fi

This seems to be the simplest, quickest solution if you're experiencing the "Unable to Check for Update". Just go into Settings, turn off Wi-Fi, go to General > Software Update, and the update should appear.

You can then turn Wi-Fi back on to download and install iOS 6 beta 4. [Thanks @m4tt]

If that doesn't work, you can start the escalation...

Reboot your iPhone, iPod touch, or iPad

Several developers have also told us that, after getting the "Unable to Check for Update" error, they rebooted their iPhone, iPod touch, or iPad, and the OTA update then began to work properly.

If you're getting that error, try a simple reboot first. Then redo the OTA update process:

A large portion of developers have also told us a reboot didn't help them at all. So, if after doing a reboot, you're still getting the "Unable to Check for Update" error, you might have to forgo OTA and do your update the old fashioned way...

How to install iOS 6 beta 4 via iTunes or Xcode

Sure, there's no beating the speed of OTA's bit-differential/delta format, and the efficiency of installing-in-place, but if you want the update done now, you'll have to turn to your old friends iTunes or Xcode.

You'll have to backup your device to iTunes (or do a clean install), and make sure your UDID is properly provisioned with Apple's developer portal, but it's your best bet to beat the pesky "Unable to Check for Update" error get iOS 6 beta 4 up and running.

More help

If you're having any other problems, or just want to discuss the issue and get more personalized help, check out our:

Rene Ritchie

Editor-in-Chief of iMore, co-host of Iterate, Debug, Review, The TV Show, Vector, ZEN & TECH, and MacBreak Weekly podcasts. Cook, grappler, photon wrangler. Follow him on Twitter and Google+.

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There are 10 comments. Add yours.

kanav1234 says:

I have a developer account however i don't get an option to updgrade to iOS 6.

How can i check whether i am eligible or not?

mikells43 says:

has to be paid account. pay the 100$ and get it. or get the original ios 6 beta 1 and instlal it and update form there if you dont want to pay.

csheath says:

Turning off wifi didn't work for me however turning off location services did allow me to update OTA

CoachGoko says:

I eventual got it to work by downloading an app from the App Store. Must've unblocked something somewhere.

jimpilot says:

Turning wi-fi off and trying didn't work. But when I turned wi-fi back on it was there???

mattyb1978 says:

If you go into wifi settings and change the DNS to 8.8.8.8 it should then be able to connect and download. After update you can delete that and it should fill back in with default. Worked for me on five devices.

crukan says:

this one worked for me after all else had failed.

forgot says:

This is the one that worked for me as well. Tried everything short of a fresh install from the .ipsw.
@Rene Might want to update the main post to reflect this.

J_a_ME_s says:

confirmed!! the only method that worked for my iPad 3