Is it possible to tethered "upgrade" to a newer but not signed firmware?

edwin170 / downr1n

downgrade tethered checkm8 idevices ios 14, 15.

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Is it possible to tethered "upgrade" to a newer but not signed firmware? #78

Closed i1itione closed 8 months ago

i1itione commented 8 months ago

I made my iPad Pro 2 (checkm8 compatible) got stuck into recovery mode (I've tried "irecovery -n" but not work) due to failed DelayOTA to 16.6 from 13.7, and I only have two shsh files for this device, which are 13.7 and 16.6. I tried using futurerestore to recover this device but no luck, I am still trying to find a solution to fix it but avoid to upgrade to the latest iOS version via iTunes.

edwin170 commented 8 months ago

I made my iPad Pro 2 (checkm8 compatible) got stuck into recovery mode (I've tried "irecovery -n" but not work) due to failed DelayOTA to 16.6 from 13.7, and I only have two shsh files for this device, which are 13.7 and 16.6. I tried using futurerestore to recover this device but no luck, I am still trying to find a solution to fix it but avoid to upgrade to the latest iOS version via iTunes.

there is not much solution