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Supported Devices

pwnerblu edited this page Aug 17, 2026 · 20 revisions

Here's the list of fully supported devices for tethered downgrades (including and not including seprmvr64 downgrades with surrealra1n)

Huge thanks to Mineek for seprmvr64

Untethered Downgrades on A8 devices

Supports untethered downgrades to iOS 11.3 or later on devices that ended at iOS 12, and supports untethered downgrades to iOS 14.0 or later on devices that ended at iPadOS 15.

Supports untethered downgrades to 10.3.x for devices that ended at iOS 12 or iPadOS 15, this excludes iPad Air 2, in development branch only. Make sure to follow untethered downgrade guide with surrealra1n when doing this!

Tethered downgrades, without seprmvr64 or without using full amount of seprmvr64 patches

iPhone 5S, iPad Air 1, iPad mini 2 (excluding iPad4,6)

Supports tethered downgrades to iOS 10.1 or later.

iPhone 6 and 6 Plus

Supports tethered downgrades to iOS 10.3.x and 11.3 or later.

iPhone 8 and 8 Plus, and iPhone X

Supports tethered downgrades to iOS 14.3 to 15.6.1

iPad mini 2 (excluding iPad4,6)

Supports tethered downgrades to iOS 10.1 or later. (Untested)

iPad mini 2 (China)

Supports tethered downgrades to iOS 11.3 or later. (Untested)

iPad mini 4

Supports tethered downgrades to iOS 10.1-10.3.3 and 11.3 or later.

iPad Air 2

Supports tethered downgrades to iOS 11.3 or later. (support may vary in 2.0 beta)

iPhone XR

Supports tethered downgrades to iOS 14.0 beta 4 through 16.6.1 only (for macOS, there is experimental support up to 17.3.1, but this is targeted towards developers). VERY EXPERIMENTAL and requires additional hardware. Go to usbliter8 repo for more information on what hardware is required to exploit usbliter8

iPhone XS

Supports tethered downgrades to iOS 14.0 beta 4 through 16.6.1 only (for macOS, there is experimental support up to 17.3.1, but this is targeted towards developers). VERY EXPERIMENTAL and requires additional hardware. Go to usbliter8 repo for more information on what hardware is required to exploit usbliter8

iPhone XS Max

Supports tethered downgrades to iOS 14.0 beta 4 through 16.6.1 only (for macOS, there is experimental support up to 17.3.1, but this is targeted towards developers). VERY EXPERIMENTAL and requires additional hardware. Go to usbliter8 repo for more information on what hardware is required to exploit usbliter8

iPad mini 5

Supports tethered downgrades to iPadOS 14.0 beta 4 through 16.6.1 only (for macOS, there is experimental support up to 17.3.1, but this is targeted towards developers). VERY EXPERIMENTAL and requires additional hardware. Go to usbliter8 repo for more information on what hardware is required to exploit usbliter8

iPad Air 3 (untested)

Supports tethered downgrades to iPadOS 14.0 beta 4 through 16.6.1 only (for macOS, there is experimental support up to 17.3.1, but this is targeted towards developers). VERY EXPERIMENTAL and requires additional hardware. Go to usbliter8 repo for more information on what hardware is required to exploit usbliter8

iPhone SE 2nd generation

Supports tethered downgrades to iOS 13.4.1 through 16.6.1 only (for macOS, there is experimental support up to 17.3.1, but this is targeted towards developers). VERY EXPERIMENTAL and requires additional hardware. Go to usbliter8 repo for more information on what hardware is required to exploit usbliter8

iPhone 11

Supports tethered downgrades to iOS 13.4 through 16.6.1 only (for macOS, there is experimental support up to 17.3.1, but this is targeted towards developers). VERY EXPERIMENTAL and requires additional hardware. Go to usbliter8 repo for more information on what hardware is required to exploit usbliter8

iPhone 11 Pro

Supports tethered downgrades to iOS 13.4 through 16.6.1 only (for macOS, there is experimental support up to 17.3.1, but this is targeted towards developers). VERY EXPERIMENTAL and requires additional hardware. Go to usbliter8 repo for more information on what hardware is required to exploit usbliter8

iPhone 11 Pro Max

Supports tethered downgrades to iOS 13.4 through 16.6.1 only (for macOS, there is experimental support up to 17.3.1, but this is targeted towards developers). VERY EXPERIMENTAL and requires additional hardware. Go to usbliter8 repo for more information on what hardware is required to exploit usbliter8

Tethered downgrades with seprmvr64

iPhone 5S (iPhone6,1 and iPhone6,2)

Supports seprmvr64 tethered downgrades to iOS 7.0-9.3.5.

Supports seprmvr64 tethered downgrades to iOS 7.0-7.1.2.

iPad Air 1/mini 2

Supports seprmvr64 tether downgrades to iOS 7.x-9.3.5