Upgrade to iOS 6.1.2

Discussion in 'iPhone Jailbreak' started by Lon, Mar 4, 2013.

  1. Lon

    Lon Evangelist
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    Here's my problem: I have iP5 on 6.1 JB, With terrible battery performance. I would like to upgrade to 6.1.2 to see if it corrects the battery issue. And would like to do so before Apple releases 6.1.3, for obvious reasons. When I upgraded my iP4S to iOS 6.1, it went into DFU, and I had to restore as new and restore from backup. I am out of town and away from my computer and don't want to risk putting the iP5 into DFU and having to restore on someone else's computer, since I think it requires a re-sync.
    Has anyone encountered a problem upgrading to 6.1.2 from a JB device?


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  2. JON35Y

    JON35Y Member
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    All went smooth for me....
     
  3. MoneyMaker79

    MoneyMaker79 Genius
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    Unfortunately iOS 6.1.2 does not focus on battery performance issues. Are you on LTE most of the time? LTE has been proven to cause a significant amount of battery drainage fast.

    The Exchange Battery issue actually reduces battery life according to Apple.

    About iOS 6.1.2 Software Update
    Fixes an Exchange calendar bug that could result in increased network activity and reduced battery life.


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  4. JON35Y

    JON35Y Member
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    It does if you use exchange, doesn't it? I've got to say since 6.1 and even when jail broken my battery has been loads better. Maybe a tweak you use is using the battery?
     
  5. MoneyMaker79

    MoneyMaker79 Genius
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    The Exchange Battery issue actually reduces battery life according to Apple.

    About iOS 6.1.2 Software Update
    Fixes an Exchange calendar bug that could result in increased network activity and reduced battery life.

    For the OS, if you don't use Exchange, then it could be a tweak you have installed, or maybe a theme if its a video.


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  6. Europa

    Europa Moderator
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    Moved to the iPhone Jailbreak forum.

    You cannot update OTA on a jailbroken device, so you'll have to wait until you have computer access anyway. They removed the feature all together with evasi0n.

    6.1.2 addresses a battery problem that is related to Exchange. It probably won't help you if you don't use Exchange, but it can't hurt to try. There is no rush to update to it now. If you save your 6.1.2 SHSH, you can update to it after 6.1.3 is released. It's probably already backed up in Cydia, but you can you can save it and email it to yourself from the phone itself with the iSHSH it Cydia app.
     
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  7. EverythingApple

    EverythingApple Evangelist
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    How do I know if I use exchange?
     
  8. JON35Y

    JON35Y Member
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    I'd say you don't if you don't know. Exchange is to do with email.
     
  9. MoneyMaker79

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    From what I am reading online, Microsoft Exchange is an online solution for your email, calendar and contacts to be delivered as a cloud service, hosted by Microsoft.
     
  10. EverythingApple

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    I have gmail, yahoo and email through domain.com. Do any of these use Exchange? Should I check my email through domain.com?
     
  11. JON35Y

    JON35Y Member
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    Nah you'll be fine!
     
  12. MoneyMaker79

    MoneyMaker79 Genius
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  13. EverythingApple

    EverythingApple Evangelist
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    Thanks! I'll wait.
     

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