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AT&T 8310 OS Officially Released

Thanks to everybody who sent this in. AT&T has officially released OS for the 8310. I guess they are slowly telling 8300 & 8800 users that they won’t be upgrading their devices. This is after they upgraded the 8320 & 8820 to 4.5 recently.

BlackBerry Handheld Software v4.5.0.152 (Multilanguage)
Package Version:
Consisting of:
* Applications:
* Software Platform:
* File name: 8310M_PBr4.5.0_rel152_PL2.7.0.90_A4.5.0.110_AT&T.e xe
* File size: 89.91MB

Check out the download at:

12 total comments on this postSubmit your comment!
  1. Does this release mean that we don’t have to remove the .axle file?

    Also do I have to download DM 4.5 before I start the OS download? I am very confused. Thanx for all your help as I am looking forward to your answeres.

  2. If you are with AT&T then you shouldn’t have to edit the OS to install. If you are with another carrier you will have to remove the Vendor.xml file with CrackMem 3.1. You should download Desktop Manager 4.6 which you can get from AT&T’s site or from

    • Thank you so much Nick for the info, I followed your information and downloaded the OS from AT&T and it went so smooth. Have not had a problem at all. Again, many thanks for such a quick response.

  3. Does this really mean no 4.5 for the 8300??? That doesn’t seem right… I’m guessing the 8300 is last on the list as I’ve noticed the newer models first got the update… Anyone confirm?

    • I just contacted AT&T regarding the OS update for the 8300. I was told “the 8300 release would be by the end of the month but did not have an exact date”. This came from an email the support tech had received. His comment was that it was not ‘official’ but often very accurate.

      I too am very frustrated waiting for the update on my 8300.

  4. OMG, I thought this day would never come… this better be one very sweet build of the OS, because it took long enough!

  5. what happens when you dont remove Vendor.xml file ? if you have tmobile an its an att phone but unlock?

  6. Found update for BlackBerry 8120

    BlackBerry Handheld Software v4.5.0.152 (Multilanguage) 8120M_PBr4.5.0_rel152_PL2.7.0.90_A4.5.0.110_AT & _T.exe

  7. im new and am confused on How you download to phone? any help please!

  8. Iam a Blackberry newbie,soo HELP!! I followed the link but -get a dropdown for state that keeps saying “loading” It won’t let me put in Zip until I put in state. Can’t put in state because of “loading”

  9. CORRECTION!!!(Told ya I was a newbie!)It won’t do STATE Without COUNTRY!! COUNTRY. Is stuck on “LOADING” on dropdown menu.

    • What you describe sounds like a temporarily slow connection. Try again later. I just checked the link and had no problem obtaining the software.

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