vivo y20 firmware firmwarefile.com Category:programming and developer software Global Rank:62,114 visits:929.0K pages/Per:3.5 firmware27.info firmware27 is a blog about android smartphones and sharing official firmware, custom rom, samsung, sony, vivo, xiaomi, oppo, infinix and otherse Category:social networks and online communities Global Rank:847,149 visits:62.8K pages/Per:1.3 ADS