Firestick Overheating: Causes and Fixes

Plugging a Firestick directly into a TV's HDMI port tucks it into one of the tightest, least ventilated spots behind the television — which is exactly the setup most likely to cause overheating.

Signs of Overheating

Overheating produces a distinct pattern: performance that's fine at first but gradually worsens the longer the device has been running, sometimes followed by an unexpected restart. This is different from storage-caused slowdowns, which stay consistent regardless of how long the device has been on — see our Firestick storage guide if your slowdown doesn't follow this pattern.

Fixing It

• Use the HDMI extender cable included in the box to move the Firestick a few inches away from the TV itself, into open air.
• Avoid stacking it against other warm electronics like a game console, receiver, or router.
• Check for adequate airflow around the entertainment center generally — a fully enclosed cabinet restricts airflow for every device inside it, not just the Firestick.

Is This a Hardware Fault?

Occasional warmth during extended use is normal for a compact streaming device — the concern is specifically performance degrading with runtime, not warmth on its own. For overheating context across streaming devices generally, see our streaming device overheating guide.