Here Real Solution To Downgarde From 3.1.3 To 3.1.2
First Befor Start This Solution Work Only IF U Uplode U SHSH In (Saurik) Server
IF U Ok Go To Next Step
Needed Programes
1-ECID_Grabber.zip Download From Here http://www.difrnt.com/projects/purpl...ID_Grabber.zip
2-Fw-Umbrella-semaphore-221 Download From Here fw-umbrella-semaphore-221.zip
3-SiNfuL iPhone ECID.SHSH Restore Server Tool v1.21 Download From Here SiNfuL iPhone ECID.SHSH Restore Server Tool v1.21_2.zip
4- JAVA java.com: Java + You
5-Sure Itunes
6-Fimware 3.1.2
Here The Instrections
1-Put U Iphone Into Recovery Mode By Holding Home Button And Attach Cable When Phone IS Turn OFF Then Run ECID_Grabber To Get U ECID Number
Copy The ECID Number And Close ECID Grabber .
2-open Umbrella And Put The ECID Number That U Get IT From ECID Grabber
And Press Submit And Wait The Programe Will Create SHSH File Like This
Now U Will Find SHSH File In Umbrella Folder Like This (xxxxxxxxxxxxxxxx-iphone-3.1.2.shsh) And The File Must Be 64 KB Or 66 KB
Now U Get U ECID.SHSH Copy The File And Put It
In SiNfuL iPhone U Will See Folder (ECID.SHSH) Put The File And Rename It To ECID.SHSH
Now Open SiNfuL iPhone ECID.SHSH Restore Server Tool To Make U Server To Can Restore U Iphone Without Apple
U Will See Command Screen Press 1 From U KeyBord
And Continue With Instrection In The Command Screen
In The End U Will See Two Screens (Donot Close It )
Now U Are Ready To Restore U Iphone 3Gs To 3.1.2 Without Any Problem But Keep The two Dos Screen Open
And Put U Iphone Into D.F.U Mode Then Press Shift+restore And Choose 3.1.2 Fimware From U P.C And After the Restore Complete U Will Get Error 1015 If U Downgarde From 3.1.3 to 3.1.2 IF U Just Restore From 3.1.2 The Restore Will Complete Without Any Problem And Close The Dos Screen To Restore U Orginal Host File
Now U Are On 3.1.2
Done
...
Regards
First Befor Start This Solution Work Only IF U Uplode U SHSH In (Saurik) Server
IF U Ok Go To Next Step
Needed Programes
1-ECID_Grabber.zip Download From Here http://www.difrnt.com/projects/purpl...ID_Grabber.zip
2-Fw-Umbrella-semaphore-221 Download From Here fw-umbrella-semaphore-221.zip
3-SiNfuL iPhone ECID.SHSH Restore Server Tool v1.21 Download From Here SiNfuL iPhone ECID.SHSH Restore Server Tool v1.21_2.zip
4- JAVA java.com: Java + You
5-Sure Itunes
6-Fimware 3.1.2
Here The Instrections
1-Put U Iphone Into Recovery Mode By Holding Home Button And Attach Cable When Phone IS Turn OFF Then Run ECID_Grabber To Get U ECID Number
Copy The ECID Number And Close ECID Grabber .
2-open Umbrella And Put The ECID Number That U Get IT From ECID Grabber
And Press Submit And Wait The Programe Will Create SHSH File Like This
Now U Will Find SHSH File In Umbrella Folder Like This (xxxxxxxxxxxxxxxx-iphone-3.1.2.shsh) And The File Must Be 64 KB Or 66 KB
Now U Get U ECID.SHSH Copy The File And Put It
In SiNfuL iPhone U Will See Folder (ECID.SHSH) Put The File And Rename It To ECID.SHSH
Now Open SiNfuL iPhone ECID.SHSH Restore Server Tool To Make U Server To Can Restore U Iphone Without Apple
U Will See Command Screen Press 1 From U KeyBord
And Continue With Instrection In The Command Screen
In The End U Will See Two Screens (Donot Close It )
Now U Are Ready To Restore U Iphone 3Gs To 3.1.2 Without Any Problem But Keep The two Dos Screen Open
And Put U Iphone Into D.F.U Mode Then Press Shift+restore And Choose 3.1.2 Fimware From U P.C And After the Restore Complete U Will Get Error 1015 If U Downgarde From 3.1.3 to 3.1.2 IF U Just Restore From 3.1.2 The Restore Will Complete Without Any Problem And Close The Dos Screen To Restore U Orginal Host File
Now U Are On 3.1.2
Done
...
Regards