I'm on 4.2.6 is it too late for me to upgrade and JB?

Discussion in 'Jailbreaks and iOS Hacks' started by mo25, Aug 19, 2011.

  1. mo25 macrumors member

    Feb 1, 2011
    I'm having serious issues with Cydia. I keep getting errors like "the following signatures were invalid" or I get some "size mismatch" error. I dunno what's causing this problems but I'm guessing my verision of ios is too outdated.

    So since I'm on 4.2.6 and never upgraded since I got my iPhone is it too late for me to upgrade to another version and jailbreak again?

    I'm having a bunch of other issues too like my phone keeps crashing and just becomes totally unresponsive, I think I just really need a format and fresh install.
  2. labman macrumors 604


    Jun 9, 2009
    Mich near Detroit
    if you don't have shsh blobs saved either cydia or tinyumbrella you would have to go to the latest signed firmware, I think it's 4.2.8 for Verizon it would be a tethered JB. it's really not as big as a deal as people make it out to be.

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