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Go Back   GSM-Forum > GSM & CDMA Phones / Tablets Software & Hardware Area > iPhone ,iPod & iPad (Apple Inc. Products) > iPhone 2 / iPhone 3G / iPhone 3GS

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Old 08-22-2014, 07:01   #1 (permalink)
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how to downgrade baseband 6.15.00 to 5.13.04

how to downgrade baseband 6.15.00 to 5.13.04

running 6.1.6 Iphone 3gs
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Old 08-22-2014, 07:16   #2 (permalink)
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Downgrade from iPad Baseband

  1. When your iPhone boots, hold the power button and 'slide to power off'
  2. Open redsn0w (run as administrator if using Windows)
  3. Click Extras -> Select ipsw
  4. Choose the 6.0 (not 6.0.1, 6.1, 6.1.2, 6.1.3 or 6.1.6 even if you're on one of those versions) ipsw
  5. Choose 'yes' on the box that pops up (unless you're sure you have an old-bootrom 3GS)
  6. Click Back
  7. Click Jailbreak
  8. Select ONLY "Downgrade from iPad baseband"
  9. Follow the DFU instructions
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The Following User Says Thank You to Ismail khan1978 For This Useful Post:
Old 08-22-2014, 08:30   #3 (permalink)
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got it, now running on 6.1.6 Baseband 5.13.04 thank you so much
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Old 08-25-2014, 12:28   #4 (permalink)
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oh no, 6.15 good, 5.13 nosevices
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Old 02-09-2023, 08:01   #5 (permalink)
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Originally Posted by trinhmobile1989 View Post
oh no, 6.15 good, 5.13 nosevices
I also met this case
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