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12-28-2010, 19:00 | #1 (permalink) |
No Life Poster Join Date: Apr 2005 Age: 36
Posts: 1,102
Member: 137426 Status: Offline Thanks Meter: 50 | Need help with Downgrade 3gs 4.2.1 to 4.0 These are my steps I have installed custom 4.2.1 firmware without baseband update Phone is working with 4.2.1 start redsnow and entered pwngd DFU Open tinyumbrella and start TSS server (this 3gs have saved all 3.1.2 to 4.1 SHSH on Cydia server Start Itunes and shift restore to 4.0 3gs. Itunes is flashing firmware all the way and when finish it says the phone will restart this message will close in x seconds. After that the phone is dead and wont turn on not even showing itunes restore logo when i connect to itunes it says that the phone needs restore i cant kick out of recovey with tinyumbrella because button is blank i cant jailbreak because it wont connect anybody solved this issue if i use redsnow to enter pwng dfu i can restore again to custom 4.2.1. without problems |
The Following User Says Thank You to shaheen15 For This Useful Post: |
12-28-2010, 19:17 | #4 (permalink) | |
Freak Poster Join Date: Jul 2006
Posts: 194
Member: 321752 Status: Offline Thanks Meter: 28 | its in dfu mode Bro ,now ur phone is in dfu mode,to get out from tht mode press home button and power button simultaniously for 15sec after tht u can see apple logo on ur phone Quote:
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12-28-2010, 19:32 | #6 (permalink) | |
No Life Poster Join Date: Aug 2006 Location: Turkey
Posts: 3,520
Member: 337837 Status: Offline Thanks Meter: 538 | Quote:
the only problem is that you have new boot rom nothing else you must use thetherd unlock method with redsn0w | |
12-28-2010, 19:33 | #7 (permalink) |
No Life Poster Join Date: Apr 2005 Age: 36
Posts: 1,102
Member: 137426 Status: Offline Thanks Meter: 50 | i flashed the phone with 4.1 custom firmware and after that jailbreak with redsnow. it finish the process and after that the phone just stays black?????????? when i use redsnow and boot tethered than the phone comes on and works when i turn it off it wont turn on itself very strange, the phone is on 4.1??? |
12-28-2010, 19:43 | #8 (permalink) | |
No Life Poster Join Date: Aug 2006 Location: Turkey
Posts: 3,520
Member: 337837 Status: Offline Thanks Meter: 538 | Quote:
BECAUSE ITS TETHERED | |
12-29-2010, 09:47 | #15 (permalink) |
Insane Poster Join Date: Dec 2010 Location: lahore
Posts: 67
Member: 1468680 Status: Offline Sonork: no Thanks Meter: 9 | I had a 3gs that was stuck in recovery mood(itunes n cable screen). I dint know what firmware/baseband it was running.. Though it was running new boot rom (confirmed via usb view) Reading the forums What i did Restored it to a custom 4.1 firmware, All went good but when it finished restoring,the phone was in DFU mode. I thought i should give 4.2.1 a try SO restored to a custom 4.2.1 ,Again All went fine And the phone ended up being in DFU mode. WHAT DO I DO NOW? I am running itunes(latest 10.1) windows xp plz help |
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