“All” you need to do is reflash your phone and reinstall Android/Chromium (soon to be renamed Android).
Since you are not a certified supplier, the checking is not activated.
On Chromebooks the setting will be on, since they are used in schools, but since it has a terminal you can remove the block, it won’t be simple, probably terminal commands and changing configuration files, but it won’t be impossible.
When it comes to the current final frontier, Linux phones, what brands/models would be the best option? Or are you all really recommending iPhones?
You can’t sideload in Linux.
“All” you need to do is reflash your phone and reinstall Android/Chromium (soon to be renamed Android). Since you are not a certified supplier, the checking is not activated.
On Chromebooks the setting will be on, since they are used in schools, but since it has a terminal you can remove the block, it won’t be simple, probably terminal commands and changing configuration files, but it won’t be impossible.
Linux handheld with a 4g usb modem, doing calls over the internet. Just an idea, im not doing this, nor do i know how practical it actually is.