Stock android
Stock android is the pure form of android which is the basis version of android it is developed by Google
Advantages of stock android
The main and advantages of stock android is that there is no ad and bloatware in an android phone which is the most satisfying things for an user an android phone without bloatware in mid range price segment is total worthness cause nowadays phone comes with ad in ui and bloatware except oxygen os
Updates in terms of updates android phone are far behind iOS but in stock android the update are faster cause it so in the hand of Google to push updates
Security nowadays in android phone there a lots of malware and bugs but Google keep the phone up to date to the latest security patch so that it's secure
Better performance and storage
There's a better performance cause there no lagginess in ui with no blotware
And no blotware means there a more storage
Disadvantages of stock android
There's a disadvantage cause android means freedom you can do any customisation with the android like change the os root your device anything but you can't do in stock android