Your Fire Stick keeps buffering when you're trying to watch something
Buffering on your Fire Stick is almost always because the WiFi signal is weak or your internet speed is too slow for the quality you're trying to watch. Move the Fire Stick closer to your router, or plug it in with an Ethernet cable if you can. If you're watching 4K, try switching to HD instead — it needs less speed.
Your Fire Stick streams video over the internet, and buffering happens when the connection is too slow or unstable to keep up. The fastest fix is moving your Fire Stick closer to your router so the WiFi signal is stronger. If that doesn't work, check your internet speed — you need at least 5 Mbps for HD and 15 Mbps for 4K. If your speed is fine, the problem is something else on your network using up the bandwidth.
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Skip — I just want a technicianCommon mistakes to avoid
- Thinking 4K streaming is always available — if your internet isn't fast enough, you have to watch in HD instead
- Leaving the Fire Stick in a cabinet or enclosed space where it can't get good WiFi signal
- Not realizing that someone else streaming upstairs while you're trying to watch downstairs uses up the same internet
Signs you need professional help
- You've moved the Fire Stick close to the router and the signal is strong but it's still buffering
- Your internet speed is 15 Mbps or higher, but you're still getting constant buffering
- The problem started suddenly and nothing has changed with your WiFi or internet
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