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Go Back   GSM-Forum > GSM & CDMA Phones / Tablets Software & Hardware Area > iPhone ,iPod & iPad (Apple Inc. Products) > iPhone 4 / iPhone 4S

iPhone 4 / iPhone 4S iPhone 4 / 4S

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Old 09-10-2010, 07:47   #1 (permalink)
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100% downgrade Done iphone 4 3GS 4.1 to 4.0.1


Step 1

Step 2

  • Run TinyUmbrella
    ***READ THE README TinyUmbrella README NOW Yes. You Read it.
  • Hit the Start TSS Server button

Step 3

  • Now open the iTunes. Hold down the SHIFT (Windows) or Alt/Option (Mac) key and hit the Restore button on iTunes.
  • Then browse and select your downloaded iOS 4.1 firmware

Step 4

  • Let iTunes error with 1004 error (baseband update failed we want this )

  • No simply hit the Kick Device Out of Recovery button on TinyUmbrella.
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Old 09-10-2010, 08:01   #2 (permalink)
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After downgrade no network.Tested.

MobilMan
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Old 09-10-2010, 08:38   #3 (permalink)
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Yes no network . Any solutions. help
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Old 09-10-2010, 08:54   #4 (permalink)
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I will wait until somebody try it with success.


Wbr
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Old 09-10-2010, 08:55   #5 (permalink)
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3G download works on this way. Didn't test it yet on 3GS.
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Old 09-10-2010, 08:59   #6 (permalink)
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Quote:
Originally Posted by MobilMan View Post
After downgrade no network.Tested.

MobilMan
No solution for unlock baseband 5.14.01
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Old 09-10-2010, 09:07   #7 (permalink)
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Big Boss said do not update to 4.1

no solution YET.:P
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Old 09-10-2010, 15:26   #8 (permalink)
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Quote:
Originally Posted by nadeemjaan View Post
Step 1

Step 2

  • Run TinyUmbrella
    ***READ THE README TinyUmbrella README NOW Yes. You Read it.
  • Hit the Start TSS Server button

Step 3

  • Now open the iTunes. Hold down the SHIFT (Windows) or Alt/Option (Mac) key and hit the Restore button on iTunes.
  • Then browse and select your downloaded iOS 4.1 firmware

Step 4

  • Let iTunes error with 1004 error (baseband update failed we want this )

  • No simply hit the Kick Device Out of Recovery button on TinyUmbrella.


please can anyone help me i upgrade iphone 3gs to 4.1 but i can't unlock so i downgraded to 4.0.1 but the probem modem is 05.14..02 and i don't have network
problem
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Old 09-11-2010, 22:41   #9 (permalink)
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yo tengo un iphone 3g era 4.1 y le hice el downgrade a 4.0.1 y quedo con baseband 5.14.01 asi que aun no soporta ultasn0w solo soporta baseband 04.26.08,05.11.07,05.12.01, and 05.13.04...........hay que esperar para 05.14.01.
asi que no atualicen su iphone 3g/3gs a 4.1
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Old 09-11-2010, 23:44   #10 (permalink)
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Quote:
Originally Posted by nadeemjaan View Post
Step 1

Step 2

  • Run TinyUmbrella
    ***READ THE README TinyUmbrella README NOW Yes. You Read it.
  • Hit the Start TSS Server button

Step 3

  • Now open the iTunes. Hold down the SHIFT (Windows) or Alt/Option (Mac) key and hit the Restore button on iTunes.
  • Then browse and select your downloaded iOS 4.1 firmware

Step 4

  • Let iTunes error with 1004 error (baseband update failed we want this )

  • No simply hit the Kick Device Out of Recovery button on TinyUmbrella.
LOL if u wanted to downgreade since the baseband is UPDATED no you would not want that it failed to downgrade actaully LOOOOOOOOL---

And 2. It doesnt work you cannot unlock the latest baseband as yet ..

so even if u manage to downgrade the phone.. u cannot unlock it
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Old 09-12-2010, 01:18   #11 (permalink)
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100% downgrade Done iphone 4 3GS 4.1 to 4.0.1

Quote:
Originally Posted by nadeemjaan View Post
Step 1

Step 2

  • Run TinyUmbrella
    ***READ THE README TinyUmbrella README NOW Yes. You Read it.
  • Hit the Start TSS Server button

Step 3

  • Now open the iTunes. Hold down the SHIFT (Windows) or Alt/Option (Mac) key and hit the Restore button on iTunes.
  • Then browse and select your downloaded iOS 4.1 firmware

Step 4

  • Let iTunes error with 1004 error (baseband update failed we want this )

  • No simply hit the Kick Device Out of Recovery button on TinyUmbrella.

This is not 100% solution
Only device which has shsh blobs can be downgradeable

Better to change this title

Andy_jpn
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Old 09-28-2010, 07:32   #12 (permalink)
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100000000000000000000000000000000000000%
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Old 09-28-2010, 08:01   #13 (permalink)
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Quote:
Originally Posted by nadeemjaan View Post
100000000000000000000000000000000000000%
1000000000000000000000000000000000000000000%what:c onfused:better post the result not the percentage you want peace bro.... is there somebody try this solution?please post with screen shot if have
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Old 09-28-2010, 09:14   #14 (permalink)
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but basebande stay hig how to downgrade it ???
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Old 09-29-2010, 06:37   #15 (permalink)
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check this...

Quote:
Originally Posted by leventturksoy View Post
please can anyone help me i upgrade iphone 3gs to 4.1 but i can't unlock so i downgraded to 4.0.1 but the probem modem is 05.14..02 and i don't have network
problem
Unlock iPhone 3GS iOS 4.1 With Ultrasn0w | UltraSn0w
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