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  1. Akash Makde's Avatar
    I updated my blackberry z3 to new os but it making my mobile very slow. So I want to downgrade to original os.
    11-06-17 06:40 AM
  2. Chuck Finley69's Avatar
    I updated my blackberry z3 to new os but it making my mobile very slow. So I want to downgrade to original os.
    What OS version did you upgrade to and from?
    11-06-17 06:42 AM
  3. Akash Makde's Avatar
    It new one 10.3 something . I want to downgrade to original os with which mobile come. I upgraded from blackberry link over wifi .link came from blackberry.
    11-06-17 06:49 AM
  4. conite's Avatar
    It new one 10.3 something . I want to downgrade to original os with which mobile come. I upgraded from blackberry link over wifi .link came from blackberry.
    You can't. Once on 10.3.X, you can't go back to anything earlier.
    Last edited by conite; 11-18-17 at 08:05 AM.
    Qorax likes this.
    11-06-17 06:51 AM
  5. Chuck Finley69's Avatar
    It new one 10.3 something . I want to downgrade to original os with which mobile come. I upgraded from blackberry link over wifi .link came from blackberry.
    I don't believe you can go back at this point. Limitation of the last upgrades of BB10. Once @ 10.3.2 I believe. Might even be 10.3.1 that can't go back....

    Anyone else care to comment? I'm at my tech limit.... Pretty low.... I know.....
    11-06-17 06:53 AM
  6. Akash Makde's Avatar
    Thank you very much.
    11-06-17 07:28 AM
  7. scrannel's Avatar
    If a restart doesn't help, and you did an Over The Air update, you might try reloading this OS with an autoloader.
    11-10-17 07:55 AM
  8. VampireServer's Avatar
    Unable to update..it asks for 4.3GB..i cleaned two GB..i demands 4.3GB even though download is only 1.7GB

    Posted from BlackBerry Passport
    12-08-17 01:02 PM
  9. conite's Avatar
    Unable to update..it asks for 4.3GB..i cleaned two GB..i demands 4.3GB even though download is only 1.7GB

    Posted from BlackBerry Passport
    This is a Z3 thread about downgrading.
    12-08-17 02:05 PM
  10. makaiman's Avatar
    You can revert. Sachesi. I've gone back to even 10.0.0 as a beta test, then loaded each upgrade. All things are possible...

    Posted via CB10
    12-18-17 12:53 AM
  11. dondav's Avatar
    You can revert. Sachesi. I've gone back to even 10.0.0 as a beta test, then loaded each upgrade. All things are possible...

    Posted via CB10
    I've heard about that... but never tried it.

    Posted via CB10
    12-19-17 09:01 AM
  12. thurask's Avatar
    You can revert. Sachesi. I've gone back to even 10.0.0 as a beta test, then loaded each upgrade. All things are possible...

    Posted via CB10
    To a point; late enough OSes have blacklists written to the device firmware such that downgrading past a certain point can't be done. Moreover, downgrading prior to the OS a device launched with is impossible, since one can't magically conjure up device support months/years before it was added to the OS.
    12-19-17 10:17 AM

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