Download iPhone OS 4.0 Beta 4 Firmware

Download iPhone OS 4.0 Beta 4

Apple has released the iPhone OS 4.0 beta 4 build 8A274b along with the iPhone SDK 4 beta 4 10M2252 build. Registered iPhone developers can download iPhone 4.0 beta 4 and iPhone SDK 4 beta 4 from Apple’s developer site.

iphone os 4.0 beta 4The iPhone firmware 4 beta 3 came with some nice new features. There’s no change log available but we’ll keep you posted as we came to any new stuff in iPhone OS 4.0 beta 4 8A274b build.

  • UPDATE 1: There’s a Utilities folders which contains the clock, calculator and voice memos. There are new backgrounds included. via [MacStories]
  • UPDATE 2: AT&T tethering makes an appearance in iPhone 4 beta 4

Download iPhone OS 4.0 Beta 4 8A274b Build

You can download iPhone OS 4.0 beta 4 only if you’re a registered Apple developer. Download iPhone firmware 4.0 from iPhone Dev Center.

Don’t ask for the download links please! Google is your friend.. Try the queries listed below:

IMPORTANT: you’ll need your UDID on a dev’s account in order to activate the beta. (Check the comments section below to know if someone has a slot for you)

To Download iPhone OS 4.0 beta 4 (iPhone 3GS)




To Download iPhone OS 4.0 beta 4 (Phone 3G)




To Download iPhone OS 4.0 beta 4 (iPod touch 3g)




To Download iPhone OS 4.0 beta 4 (iPod touch 2g)





22 comments… add one
bogdans22 May 19, 2010, 5:33 pm

where can I see my UDID?

and I’d like to know if you can prove that you aren’t that kind of guy who wants to steal from us!

Rob May 20, 2010, 10:33 am

I would jump on this opportunity in a heartbeat, but I have a fundamental opposition to supporting spammers.

Brandon May 21, 2010, 10:06 am

I’m not a spammer. I am advertising my deal. I’m a very reliable source.

Brandon May 21, 2010, 10:07 am

Oh, and if I were a fake…… The owner would have kicked me off already………………………………………………………………….

Matt May 31, 2010, 10:29 am

Thanks for the 4.0 upgrade!!! I’m sorry about all the emails but you were very helpful and prompt at replying! Plus I get to play with Leo4All now! My first mac since the Mac SE!
I love the folders and multitasking!
Very qwell!

Jayjay5221 June 9, 2010, 4:25 am

Hey you still have slots open? I’m trynna download this tonight..

feverlovebai June 10, 2010, 12:32 am

how can i download it

Leave a Comment