Unable to verify integrity

I have an iPhone 17 running iOS 26.5.1 and when I try to install SideInstaller using the certificates from your website, it says “Unable to verify integrity” I know it says you need iOS 27, but I don’t wanna install a developer beta on my phone, is there a way to fix this, or do I have to wait for the official iOS 27? I’ve provided photos of the issue in the issue. Your projects great so keep working on it tho! I also have developer mode enabled and I checked VPN & Device Management, I have LocalDevVPN installed but there is no other device management certificate I found in the settings

[jakeyounglol]

i’m having the same issue, but on my apple vision pro. it’s running visionOS 27 beta, and i can’t install the DNS profile and when i try to it says it can’t be installed on apple vision pro., which is really disappointing because the apple vision pro is the one device i actually need this in order to sideload on (i don’t have the developer strap, so i can’t just use iloader instead)