iOS 9/10 to iOS 8 OTA downgrade without SHSH
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iOS 9/10 to iOS 8 OTA downgrade without SHSH!
Supported devices:
iPhone 5s (all versions)
iPhone 5c (all versions)
iPhone 5 (all versions)
iPhone 4s (all versions)
iPad Air (all versions)
iPad 4 (all versions)
iPad 3 (all versions)
iPad 2 (all versions including iPad2,4 rev. A)
iPad mini 2 (all versions)
iPad mini 1 (all versions)
iPod touch 5G
For iPhone 5s, 5c, iPad Air and mini 2 - replace iOS version to 7.0.4
Also you can try downgrade Air 2 and iPhone 6/6 Plus