Last updated: March 5, 2026
Amazon Prime Video may buffer frequently, pause during playback, or show poor video quality. This can ruin your streaming experience and make it impossible to watch movies or TV shows smoothly.
Slow internet connection: Streaming video requires consistent bandwidth, especially for HD and 4K content.
Network congestion: Multiple devices on the same network can reduce available bandwidth.
App cache issues: Corrupted cache data can cause playback problems.
Outdated app: Older versions of the Prime Video app may have streaming bugs.
VPN interference: VPNs can slow down your connection and cause buffering.
Device performance: Older devices may struggle to decode high-quality video streams.
• You need at least 5 Mbps for HD and 25 Mbps for 4K streaming.
• Test your speed at fast.com or speedtest.net.
• If your speed is below the minimum, contact your internet service provider.
• In Prime Video, go to Settings > Stream & Download.
• Set Streaming Quality to "Good" or "Better" instead of "Best".
• Lower quality uses less bandwidth and reduces buffering.
• Turn off your modem and router.
• Wait 30 seconds.
• Turn on the modem first, wait for it to fully start, then turn on the router.
• Reconnect your device and try streaming again.
• Close background apps on your streaming device.
• Pause downloads or streaming on other devices connected to your network.
• If possible, connect your streaming device via ethernet cable instead of Wi-Fi.
• On Android: Settings > Apps > Prime Video > Storage > Clear Cache.
• On Fire TV: Settings > Applications > Manage Installed Applications > Prime Video > Clear Cache.
• On iPhone: Uninstall and reinstall the app.
• Check for updates in the App Store, Google Play Store, or your device's app store.
• Install any available updates for Prime Video.
• Restart the app and try streaming again.
• If you're using a VPN, disconnect it temporarily.
• VPNs add extra routing that can slow your connection.
• Try streaming without the VPN to see if buffering stops.
If buffering persists with a fast internet connection and all fixes attempted, contact Amazon support at amazon.com/gp/help or through the Prime Video app's Help section.
Q: What internet speed do I need for Prime Video?
A: 1 Mbps for SD quality, 5 Mbps for HD, and 25 Mbps for 4K Ultra HD. These are minimum requirements — higher speeds provide a smoother experience.
Q: Can I download shows to watch offline?
A: Yes, Prime Video allows downloading titles for offline viewing on mobile devices and tablets. This avoids buffering entirely.
Q: Why does Prime Video buffer on my smart TV but not my phone?
A: Your TV may have a weaker Wi-Fi connection. Try moving the router closer to the TV, or use an ethernet cable for a wired connection.
Q: Does Prime Video support 4K on all devices?
A: No, 4K streaming requires a compatible device and a Prime Video plan that includes 4K content. Check your device specifications and Prime Video plan details.