[dx034]

Jailbreaking uses vulnerabilities, there is no way to jailbreak a phone officially. Whereas Android allows sideloading apps officially.

[ghosty141]

There is also no official way to convert your car to diesel/electric...

[colonwqbang]

Of course there is. At least in my country, there is a formal legal procedure to get your car inspected and re-registered after any changes are made.

[donkeyd]

It voids warranty though, doesn't it?

[wizzwizz4]

But there's a procedure enabling you to do it. On iOS, there are procedures preventing you from doing it.

[wizzwizz4]

The car doesn't have cryptographic locks on its bonnet.

[bencollier49]

Unless it's a Tesla.

[wkearney99]

At least with a Tesla there's a healthy aftermarket using the motors and batteries for vehicle retrofits.

[pegasus]

But neither does the car manufacturer actively try to prevent you from doing so.