Cydia.invoxiplaygames.uk Certificates [upd] -

It was a dark and stormy night, and the streets of London were eerily quiet. The only sound was the soft hum of the city's infrastructure, and the occasional distant rumble of thunder. In a small, nondescript office building, a lone figure sat hunched over a computer, surrounded by empty energy drink cans and scattered notes.

are the community-standard fix for this issue. On September 30, 2021, the "DST Root CA" certificate used by Let's Encrypt expired, which broke internet access for millions of older devices. Installing a modern certificate like the ISRG Root X1 restores compatibility with the modern web. How to Install Modern Certificates Open Safari on your legacy iPhone, iPad, or iPod Touch. Navigate to cydia.invoxiplaygames.uk certificates

macOS — Keychain approach (recommended)

Open Keychain Access (Applications > Utilities > Keychain Access).
In the left sidebar set Keychains to login and System, and Category to Certificates.
Use the search box: type invoxiplay or cydia.invoxiplaygames.uk.
Select any matching certificate(s). Right‑click → Delete (or press Delete). Authenticate with admin password.
Restart the Mac.
Verify: re-open Keychain Access and confirm no matching certificates remain.

Step 6: Trust the Certificate

In the same VPN & Device Management menu, you will now see a section labeled Enterprise App.
Tap the certificate name.
Tap Trust " [Company Name]".
Confirm by tapping Trust again.

1) What this is

cydia.invoxiplaygames.uk appears to be a domain used to sign or distribute packages/profiles related to Cydia or sideloaded apps. Certificates associated with it are TLS/HTTPS certificates for the domain or code-signing/provisioning certificates used by packages/profiles.
Relevant certificate types: TLS server certs (HTTPS), code-signing certificates (IPA/app signing), and configuration/profile signing (mobileconfig).