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Go Back   GSM-Forum > Product Support Sections > Hard/Software Products (official support) > MFC Team Products > iBUS Tools For Apple Watch

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Old 11-28-2018, 22:23   #1 (permalink)
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iBUS2 Downgrade 5.1.1 to 4.3.1

Hey guys,

Has anyone of you tried to downgrade from 5.1.1 to 4.3.1 using iTunes?
I also have issues with the restore of the software. Sometimes it works after 4 attempts, sometimes I need 15 attempts.

Thank you for your help!

Greetings from cold Germany
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Old 12-04-2018, 15:06   #2 (permalink)
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I want to update this post.
The watch gets stuck on 3/4 of the restore with error code 56.
So guys I hope for your help.

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Old 12-10-2018, 16:09   #3 (permalink)
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Confirm V4.3.1 Still signed and be able to downgrade , thanks
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Old 03-11-2019, 21:29   #4 (permalink)
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hola todavia no tenen solucion para los relo serie 2 con lo firmware ya que compres ase un mes en gsmserve un IBUS S2 y todavia no espodido aser nada o alguin tiene un firmware firmado por apple
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