the easiest way to downgrade os 4 to 3.1.3 3G n 3Gs

  • Thread starter Thread starter farzadvahdat
  • Start date Start date
power of the hand set then connect to pc usb pressing home bottun this will bring it recovery mode. now try to do so
Regards
 
my iphone 3gs new bootrom ios 4 installed on can i downupgrade to 3.1.3 but i dont have SHSH blob saved on cydia
 
this isnt working on 4.0 without shsh,

tested by me, i have 2 pcs here it just gave me an error
 
boss i have iphone 16GB 3GS i try 2 & 3 times but its not working please help me....
tell me proper steps
or
i live in Karachi, Pakistan. anyone help me......

Regards
 
goback to thread #5 and try the option that i poast there i also upload my SHSH blob from my 3gs 3.1.3 for those who didnt save theirs
 
WARNING: those using 64bit operating system DO NOT INSTALL libusb attached in 1st post,or your usb ports will no longer work !
 
ALL time i have error 3194 .Iput to host 74.208.105.171 gs.apple.com
Buth all time error 3194 and still ios 4!!!!!ANd i not haven
 
I'm getting error 1064... there is a message on itunes "preparing iphone for restore", and after about 5 minutes I'm getting error 1064. After I exit recovery mode, I'm still on 4.0
please someone help me
 
here is a tutorial on how to install libusb the propper way YouTube - LIBUSB Vista 64-Bit Tutorial (2nd Method) tested by me works 100%
 
it ll not work the success stories are for those who have old boot.it dont make ne sense.

BR

K@mi
 
i got error ... " the iphone software update servere could not be contacted... i just try all instruction...
 
same problem all drivers stop working and itunes doesnot detects iphone

any solution to kick out iphone from recovery mode
 
yes, it does (I use win 7 ultimate, 32bit version)



if you have error 3194, it means that you haven
 
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