Navi 
@navi@hey.pomnavi.net
Looks like XTEINK wants to lose all their customers 🤡
They're blocking the installation of custom firmwares on devices sold from China/aliexpress (currently). They're claiming they're allowing it on devices from their official store.
What else is this other than greed? They want to upcharge global customers and lock down the device for future enshittification now that it's a little popular.
https://www.reddit.com/r/xteinkereader/comments/1szk0pq/flashing_of_firmwares_disabled/