Unlike some brands that are "mod-friendly," Vivo typically employs strict security measures. To install a custom ROM, one must first enable OEM unlocking
Want me to turn this into a fake XDA forum post or a ROM feature table instead? vivo y1s custom rom
Longer answer: You may find discussions. Because Project Treble exists, the Y1S should support a vanilla AOSP GSI. In theory, you could unlock, flash a GSI, and boot. Unlike some brands that are "mod-friendly," Vivo typically