PLAIN AND SIMPLE DETAIL HOW TO DOWNGRADE 3G IPHONE FROM 3.1 to 3.0 FIRMWARE FOR JAILBREAKING / AND UNLOCKING (IF bootloader 5.08)
Tested with Itunes 8.2.1
YOU MUST HAVE THIS FIRMWARE ON YOUR PC. 3.0 original
http://appldnld.apple.com.edgesuite....1_Restore.ipsw
AND USE REDSNOW 0.8
OK.
1. PUT YOUR IPHONE IN RECOVERY MODE OR DFU MODE. RESTORE IPHONE TO THIS FIRMWARE 3.0
note: You will get error 1015 and it seems like the iphone is not restored it will be in recovery mode. IGNORE this ..
2. USE REDSNOW to JAILBREAK. as you would normally
note: it may or may not seem to work. most likely the first time it will stay in recovery mode..
use redsnow again..
this time it will likely kick it out of recovery mode , if not use redsnow again.
after this. run redsnow again (YES) this time it will install Cydia.. but it wont work to start it.
Run red snow again. This time all will be completed and you will have a fully working jailbroken 3.0 firmware iphone.
It takes 4 times of running the redsnow to get it to function properly.
3. Enjoy jailbroken 3.0 firmware iphone.
Wish to unlock it ? Well it can be done if the bootloader in the phone is 5.08 ..
Heres how.
after completing step 1,2,3.
4. go to CYDIA. update cydia (complete upgrade)
5. search for packages type in "FUZZYBAND"
6. Install fuzzyband application
7. Open Fuzzyband, it will run and tell you which bootloader version you have and if it can be downgraded.
8. UNLOCK USING ultrasn0W*
Note: only a small amount of iphones have 5.08 most are 6.02 or 6.04
E
after completing step 1,2,3.
4. go to CYDIA. update cydia (complete upgrade)
5. search for packages type in "FUZZYBAND"
6. Install fuzzyband application
7. Open Fuzzyband, it will run and tell you which bootloader version you have and if it can be downgraded.
8. UNLOCK USING ultrasn0W*
Note: only a small amount of iphones have 5.08 most are 6.02 or 6.04
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