(UPDATE: The accepted answer has since been patched. 12-16-2021)
I have a Gabb Wireless which is an Android that is programmed to be "dumb". By "dumb", I mean it only has core apps such as Settings, Phone, Messaging, etc. I like it because it is not additive to where I can't focus on my school.
It has some major drawbacks though. To keep kids from messing up the restrictions, they pretty much bricked the phone. I can't flash, ADB*, install apps**, or unlock the bootloader*** the way other sites say to do.
All I want to do is host a web server and customize the OS a bit. I have contacted the distributor and of course, they would not reveal anything.
- The original way to allow USB debugging/Developer mode is gone.
- The store was removed and you can't install raw APKs.
- When I boot into the Bootloader, the screen is blank with "=> FASTBOOT mode..." at the bottom.
Overall, I am disappointed with the extremes which the company took. I have gotten them to admit that the device is hackable. Of course, any device is hackable so I did not get much from that.