Jailbreaking has been here since the very first IPhone. Jailbreaking is extremely fun you can do anything with your phone. Im serious, anything. Trust me, jailbreaking is extremely easy to do. Here are the steps. THIS IS ONLY FOR IOS 12.1.3 to 12.2.
Your phone will restart, if you dont have cydia just go back to unc0ver and click jailbreak again, you wont have cydia from the first try it will take 2-4 tries.