NEWS] IOS 13.3 is still being signed don't believe the posts that said it isn't signed so if you do need to downgrade or update to 13.3 go ahead and do so :
Unc0ver Jailbreak Released with Full-Fledged iOS 13.3 support | by Ayush Sahay Chaudhary | Mac O'Clock | Medium
Jailbreak iOS 13.3.1 Using Checkra1n, Here's How [Guide] | Redmond Pie
NEW Jailbreak iOS 13.3 with Checkra1n! Jailbreak iOS 13 Tutorial - YouTube
Il jailbreak di Unc0ver potrebbe presto supportare i dispositivi A12 / A13 con iOS 13
URGENT! Jailbreak iOS 13 - 13.3 Unc0ver: Update / Downgrade to iOS 13.3 NOW! (iOS 13.3.1 or OLDER) - YouTube
iPhone XR Jailbreak Archives - Cydia Jailbreak for Latest iOS
How to JAILBREAK iOS 13.3.1 Using Windows / Linux | Checkra1n Jailbreak + All Linux Commands – Harsh Sharma Technicals
Downgrade iOS 13.4.1 To iOS 13.3.1 For Checkra1n Jailbreak, Here's How | Redmond Pie
Jailbreak iOS 13 - iOS 13.7 Checkra1n for A11 Download
How to Jailbreak iOS 13.0 – 13.5 on Any iPhone / iPad / iPod touch using unc0ver – iPodHacks142
NEW Jailbreak iOS 13.3.1 Checkra1n! Jailbreak iOS 13 Tutorial - EVERY Firmware! - YouTube