It's a given at this point: first, one of BBK's brands launches a phone under a new sub-brand. Then, that sub-brand loses the co-branding of its parent company. This happened with Realme (spun off of Oppo), and with iQOO too (spun off of vivo). The next step for Realme was software-related, as its phones initially ran Oppo's ColorOS, but have since shifted to Realme UI. Guess what? The same is happening with iQOO. All iQOO devices launched prior to the iQOO 3 5G ran vivo's Funtouch OS on top of Android, but the iQOO 3 5G debuted the brand new iQOO UI. And this will not stay exclusive to...
Source: https://www.gsmarena.com/iqoo_ui_is_headed_to_older_devices_in_midjune-news-42820.php