Fix for iPhone 4 Baseband 1.59.00 No Service Issue with Ultrasn0w 1.2.8 on iOS 6.1

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If you have an iPhone 4 with baseband 1.59.00, you will encounter a major compatibility issue with ultrasn0w 1.2.8 and iOS 6.1.

You will notice the following symptoms:

  • It cycles between “no service” and one bar signal with 3G.
  • Every 20 seconds it pops up one bar for your network and then returns No service.

Unfortunately, there’s no fix for now. Even the ultrasn0w fixer won’t do your iPhone 4 any good.

Editor's note: learn more by reading our ebook on starting your own iPhone repair & unlock business

 

See the comments section below for possible fix.

Your best option for now is to downgrade your iPhone 4 back to iOS 5.1.1, assuming that you have the SHSH for it, but most of you should have it saved on Cydia/Saurik’s server already.

Of course, the best solution is to get your iPhone officially unlocked so you won’t need to deal with this type of problem in the future.

Meanwhile, let’s wait for a a fix from the Dev Team.

 

Comments & Discussion

  1. a fix for iphone 4 6.1.2 1.59 ultrasnow 1.2.8. (it worked for me and others who tried it in the links below)

    thermzmaster found a way to stop the cycling. everything works except push, imessag facetime and still with one signal bar.

    here is his guide: http://www.iparelhos.com/?p=128

    after that GJCD stated that to fix push notifications you go to http://www.addictivetips.com/mobile/fix-imessage-

    after installing SAM, your phone will respring but with ACTIVATION REQUIRED. dont panic, a guide by Mohcine Ariani at http://allaboutapplehere.blogspot.com/2013/03/the… will show you how to bypass the activation and the step by step in configuring SAM.
    credit goes to the ones mentioned! i got my iphone 4 6.1.2 baseband 1.59.00 working(even push!) except for the one signal bar.




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