Downgrading iPhone 6 plus - GSM-Forum

kermitt4212 · 09-28-2017, 00:25

I'm trying some trial and error things on downgrading and iPhone 6 plus. The phone is currently iCloud locked so I'm using it as a test device. It's currently running iOS 10.3.2 i believe and I want to see if I can downgrade it all the way back to iOS 8. However, I keep getting errors saying there is a device information mismatch. Does anyone know if there certain iOS versions that I must downgrade to before I can downgrade again? Like do I need to go from 10.3.2 to 10.3.1 then 10.3 and so on, or are there certain versions that will allow me jump a little farther?
Any incite on this would be welcomed.

spyer · 09-28-2017, 02:37

You can't do this w/o SSH blobs for your device. Don't try. Only apple can do this.

09-28-2017, 00:25	#1 (permalink)
kermitt4212 Junior Member Join Date: Sep 2017 Posts: 4 Member: 2759806 Status: Offline Thanks Meter: 0	Downgrading iPhone 6 plus I'm trying some trial and error things on downgrading and iPhone 6 plus. The phone is currently iCloud locked so I'm using it as a test device. It's currently running iOS 10.3.2 i believe and I want to see if I can downgrade it all the way back to iOS 8. However, I keep getting errors saying there is a device information mismatch. Does anyone know if there certain iOS versions that I must downgrade to before I can downgrade again? Like do I need to go from 10.3.2 to 10.3.1 then 10.3 and so on, or are there certain versions that will allow me jump a little farther? Any incite on this would be welcomed.

09-28-2017, 02:37	#2 (permalink)
spyer Freak Poster Join Date: May 2006 Posts: 495 Member: 274436 Status: Offline Thanks Meter: 26	You can't do this w/o SSH blobs for your device. Don't try. Only apple can do this.