Lagging and most internet streaming problems by adding the Ethernet Adapter. 2nd Gen Fire Stick (not 1st gen). Fire TV 3. Alternatively, you can look at the bottom of the stick and look for these numbers (the writing is very small).
4 in 1 Ethernet Adapter and 3 Ports USB OTG Hub for Fire TV Stick 4K/Chromecast/Google Home Mini/Raspberry Pi Zero and Other Streaming TV Sticks,Micro USB OTG Cable HUB with Powered
Ethernet Adapter for TV Stick, Fire Stick Ethernet Adapter 4K, KOOPAO Micro USB to RJ45 Ethernet Adapter with USB Power Supply Cable for Streaming Sticks Including Chromecast, Google Home Mini
4 in 1 Ethernet Adapter and 3 Ports USB OTG Hub for Fire TV Stick 4K/Chromecast/Google Home Mini/Raspberry Pi Zero and Other Streaming TV Sticks,Micro USB OTG Cable HUB with Powered
UGREEN Micro USB Ethernet Adapter, Ethernet Adapter with 3.3 ft Cable & Power Cord, Compatible with Fire TV Stick Basic/4k/4k Max/Lite, Chromecast 1/2/3/Ultra/Audio, Roku Express 4k, Plug & Play : Electronics
Hard Wired Internet Connection★: Specially designed for fire stick,chromecast and other wifi connection devicee.Effectively reduce the streaming
Fire TV Stick Ethernet Adapter,Ethernet Adapter for Fire Stick and Chromecast,Chromecast Ultra 4k,Fire TV Cube,Chromecast 3/2/1,Micro USB to LAN RJ45
【Stable Network】: Offer faster and stable network for your Micro USB A port TV Sticks such as Fire TV Stick GEN 2, All NEW Fire-TV 2017, Chromecast
Ethernet Adapter for Fire TV Stick Google Home Mini Chromecast and More Streaming TV Sticks 10/100Mbps Network Micro USB (A) to RJ45 Ethernet Adapter
Ethernet Adapter for Fire TV Stick Chromecast Ultra/2/1/Audio Google Home Mini Mirco USB A to RJ45 Ethernet Adapter with USB A Power Supply Cable 3.3ft (Grey) : Electronics
UGREEN Micro USB Ethernet Adapter, Ethernet Adapter with 3.3 ft Cable & Power Cord, Compatible with Fire TV Stick Basic/4k/4k Max/Lite, Chromecast 1/2/3/Ultra/Audio, Roku Express 4k, Plug & Play : Electronics
Ethernet Adapter for fire Stick TV Cube, Google Chromecast Ultra, Tivo Stream 4K - Micro USB OTG Hub with Power Cable : Electronics
Fire TV Stick Ethernet Adapter,Ethernet Adapter for Fire Stick and Chromecast,Chromecast Ultra 4k,Fire TV Cube,Chromecast 3/2/1,Micro USB to LAN RJ45 with Power Supply Cable : Electronics
4 in 1 Ethernet Adapter and 3 Ports USB OTG Hub for Fire TV Stick 4K/Chromecast/Google Home Mini/Raspberry Pi Zero and Other Streaming TV Sticks,Micro USB OTG Cable HUB with Powered