📱 vivo - V1981A

Download Manager → Tap Install → Check I understand the app risk detection result → Tap Continue Installation → Tap Open

📱 vivo-V2203A

1. Settings → Security → More Security Settings → App Installation → Ultra Protection → Disable

2. Download Manager → Locate the APK → Disable network → Tap Install → Tap Allow Installation → Check I understand the app risk detection result → Tap Continue Installation