The Android One program is becoming increasingly popular due to the apparent certainty of two years' worth of regular updates for the phones sold under it. Recently, however, Google has removed the text to this effect from the Android website, leading to user fears that this pledge was being rescinded. However, the company has asserted that this is not the case.
https://www.notebookcheck.net/Google-denies-apparent-withdrawal-of-Android-One-2-year-update-pledge.388091.0.html
No wonder, when ad companty is trying to make a software, the result is always terrible crap like Andriod.