Currently, iOS 10.3.3 is the only version you can typically downgrade to untethered without blobs using tools like Legacy iOS Kit
Must be jailbroken (using tools like checkra1n or Chimera ). Pros: Very easy to do; doesn't require blobs. Downgrade Iphone 5s To Ios 7
: Most current downgrade tools (like Semaphorin) are "SEP-less." This means that after downgrading, Touch ID and the passcode will not work . Currently, iOS 10
There is, however, a singular caveat for the tech-savvy. The iPhone 5s sits on the cusp of Apple's security architecture. It utilizes the A7 chip, which is susceptible to a hardware bootrom exploit known as "checkm8" (discovered by axi0mX). Downgrade Iphone 5s To Ios 7
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