How to downgrade iPhone 3G iOS 4.2.1 to 3.1.3 without SHSH and BATT ISSUE FIX

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Uploaded by on Dec 1, 2010

There are many people you have written me i should work on a batt issue fix caused to 4.1.2!
Finally i found a solution. It takes quite long but i am happy to say that i can confirm to ten iPhone 3G,
it is fully working!
I do not know if it is possible for iPhone 3Gs with this tutorial.
Try it or wait until another solution.
You can also decide if you want to stay on iOS 3.1.3, iOS 4.1 or upgrade back to iOS 4.2.1 with fixed
batt issue!
Watch the video and follow EVERY step and read EVERYTHING!

ALL FILES YOU NEED YOU WILL FIND ON GOOGLE!

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Science & Technology

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Top Comments

  • Seriously You saved my life!!

    your video was very helpful to me.

    if anyone stuck with 1015 error just open iReb and choose the 'Recovery Mode Loop Fixer" by doing so it fixed the errors that i get after itunes restore.

    Finally now i downgraded my (4.2) (6.15 baseband) to 3.1.3 which is deadly faster now as i got iphone 3G

    And now its fully unlocked \0/ Seriously i wanna kiss u now :D

  • its impossible to read this red letters

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All Comments (173)

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  • @BillyDhaK1d Yes am not having any issue with battery right now.

  • does this work on ipod touch 2g

  • i mean its at 3.1.3 but it still has battery drain...

  • @samehmadeo is the battery problem fixed?

  • how the hell do u get a 3.1.3 custom firmware...

  • ok so my iphone is bricked lmao this is b4 i did the guide

  • Thank you~! That was really helpful (:

  • @Juggoire 1015 error can be recovered by recboot

  • Awesome - error 1015 on the 2nd install of 3.1.3 - welcome to a bricked iPhone 3g...

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