After a lengthy delay vivo is finally pushing its stable Funtouch OS 10 update alongside Android 10 to the Z1 Pro and Z1x in India. The firmware brings modernized UI elements, new wallpapers, added functionality to the Jovi assistant and The update for the Z1 Pro bears the PD1911F_EX_A_1.7.8 build number and comes in at 3.1 GB in size. The Z1x update comes with the PD1921F_EX_A_1.11.4 and weighs in at 3.32GB. Both updates also bring the May security patch. According to vivo, both updates are currently in their "greyscale" phase meaning they will be seeded to only a few unit...
Source: https://www.gsmarena.com/funtouch_os_10_update_for_vivo_z1_pro_and_z1x_live_in_india-news-43657.php