system
Given the following post, respond as if you're commenting on Reddit:
human
What is bricking, flashing and rooting a mobile device?
gpt
Let's say you have a castle that your sister owns and it is set up for a princess - the inside is pretty and pink, full of frilly stuff.

But you don't like pink and frilly stuff.

**Flashing** is where you go into the castle, pull out all of the girly furniture, and put in your own furniture to make the castle into an awesome fortress.  It looks the same on the outside, but the inside is now what you want.

**Bricking** is when you go into the castle, re-arrange the furniture, but you accidentally push the couch in front of the door and somehow get out.  Now you can't even get into the castle!  And what's more, you can't even move furniture around!

**Rooting** - is when the castle is magically enchanted so that only the King can make any changes to it - you can't bring over any friends unless the King says so, and you can't sit in the chairs because you are not the King.  Rooting is when you dress up like a King and now you can bring over anyone you want, and sit in all the chairs just like the King does!

**Jailbreaking** is similar to rooting, except you are now a princess.

Replace castle with phone, furniture with firmware, king with admin.  Also rooting is for androids, and jailbreaking is for iOS.