I thought they were referring to zip needed on older roms to fix wifi
That zip hasn't been needed since Android 11 for our device, which is actually because the zip no longer worked for that Android version and forward (read-only file system.)
The zip we talk about is to wipe the password settings, because keystore, a security type thing built into Android that communicates with hardware TrustZone, has been not entirely functional in Android 12. Due to this, many apps using keystore had been broken for some time, i.e. bank apps, VPN apps, ProtonMail, etc., but the biggest issue was the lock screen.
I'm the first one to bring this issue from Telegram to XDA as I'm currently the only V30 developer to post in XDA at the moment. Hence it's understandable why it may be confused.
Good thing is, now we don't need to rely on hacky post-install zips to fix it, as I've found the root cause of the problem and fixed it in the 20221214 build.
Pinging
@mja and
@Koile since they couldn't access the Telegram download, just letting you know that it's not needed now.
The zip will remain on OP for some time just in case people want to downgrade builds for testing etc.