How to upgrade safely to 3.1.3 to 4

  • Thread starter Thread starter swapniladsure
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swapniladsure

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hi friends
please tell me how to safely upgrade my 3g 3.1.3 to os 4
my baseband version is 05.12.1 and bootloader is 05.09

and my iphone 3g support os 4???
also tell me how to i downgrade 3.1.3 to 3.1.2 firmware of my iphone 3g?
reply soon
 
Take my advice i did that and my phone after that was so slow that i went back to version 3.1.3....i tried to disable multitaksing and still it was slow..So stick to 3.1.3

Go here for further INFO

Br

Frenzy

PS: if u like it thank it
 
you can upgrade to version 4.0 but your iphone accepted, the question is that it is very slow and this having much appeal for the industry if you can get to downgrade back to version 3.1.3
 
Yes its me..
from where did u got it?
planet source code web site??

hey guys i wana downgrade 3.1.3 to 3.1.2 on my 3g
but i dont have shsh store in my computer and cydia also.
so it is possible to downgrade 3.1.2 on my 5.12?
 
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