Jump to content
View in the app

A better way to browse. Learn more.
Sony Alpha Forum

A full-screen app on your home screen with push notifications, badges and more.

To install this app on iOS and iPadOS
  1. Tap the Share icon in Safari
  2. Scroll the menu and tap Add to Home Screen.
  3. Tap Add in the top-right corner.
To install this app on Android
  1. Tap the 3-dot menu (⋮) in the top-right corner of the browser.
  2. Tap Add to Home screen or Install app.
  3. Confirm by tapping Install.

Av4 Videos Us Fix Apr 2026

This guide covers troubleshooting and fixing problems with AV4 video files (commonly AV1-encoded within MP4/MKV/AV4 containers or proprietary AV4 streams) on Windows. It assumes issues like files not playing, playback stuttering, missing audio, codec errors, or conversion/repair needs.

Configure browser push notifications
Chrome (Android)
  1. Tap the lock icon next to the address bar.
  2. Tap Permissions → Notifications.
  3. Adjust your preference.
Chrome (Desktop)
  1. Click the padlock icon in the address bar.
  2. Select Site settings.
  3. Find Notifications and adjust your preference.