Setup guide
Setting up KTN Player on the Fire TV Cube
To get KTN Player on your Fire TV Cube, install it from the Amazon Appstore (or Downloader, if it is not listed), open it, and sign in with the details Ultra 8K IPTV sends on WhatsApp. Budget five to ten minutes, most of it typing with the remote.
- No contract
- 7-day refund
- Login in ~60s
KTN Player is a paid app; its fee goes to the developer, separately from your IPTV plan. The Fire TV Cube decodes 4K, so 4K feeds play at full resolution on a 4K screen. Plans are prepaid and never auto-renew, and you have 7 days to ask for your money back.
Have these ready
- Your login from WhatsApp: server URL (with port), username and password
- Developer options visible on the Fire TV (About > select the device name seven times)
- Budget 10 Mbps per HD screen and 25 Mbps per 4K screen, then add headroom for everyone else online
- A faster way to type: the Fire TV app on your phone has a keyboard
Step by step: KTN Player on the Fire TV Cube
- Choose a plan on the pricing page and order on WhatsApp; your server URL, username and password arrive in about 60 seconds.
- On the Fire TV Cube, open Settings > My Fire TV > About and select the device name seven times. Developer options appears in the menu; you need it only if KTN Player has to come through Downloader.
- Search for KTN Player from the Fire TV home screen. If the Amazon Appstore doesn't list it, install the free Downloader app, allow it to install unknown apps, and enter the download address published by the KTN Player developer.
- In KTN Player, pick the Xtream Codes or XC API option, then type the server URL, username and password from your WhatsApp message. All three are case-sensitive.
- Give the first sync a couple of minutes, then hide the groups you never use and favorite the rest.
Small tweaks, smoother playback
- Leave the box on standby rather than unplugging it, so the guide stays fresh.
- Set the output resolution to match the TV; a 4K signal on a 1080p TV just adds work.
- Use the Ethernet port if your box has one.
- Guide refresh: set the EPG to update daily so listings never run out.
What you'll see on first launch
KTN Player shows a loading bar while it pulls the channel list, then opens on its home screen. Live TV, movies and series appear as separate sections, and the guide fills in over the next minute or two. On the Fire TV Cube, the first load is the slowest.
Common problems and fixes
- "Invalid credentials": retype the server URL with http:// and the port, and check capital letters; the username and password are case-sensitive.
- Guide off by an hour or more: check the Fire TV Cube's time zone first, then the EPG offset in KTN Player.
- Picture but no sound: set the Fire TV Cube's audio output to stereo or PCM; some soundbars refuse surround passthrough from IPTV feeds.
- Buffering on sports only: run a speed test on the Fire TV Cube. Below about 25 Mbps, use the HD version of the channel.
FAQ
Questions people ask us
Not covered here? Send it on WhatsApp and a person on the support desk will answer, any hour of the day.
Can I use the same Ultra 8K IPTV login on the Fire TV Cube and another device?
Can KTN Player play 4K on the Fire TV Cube?
How long does it take to set up KTN Player on the Fire TV Cube?
What if KTN Player won't sign in?
Up next
Where to go from here
Get your login
Other apps for the Fire TV Cube
Set up KTN Player elsewhere
Related guides
7-day refund window
One login. Every screen in the house.
35,000+ live channels in up to 8K from $10.42 a month. Order on WhatsApp and your details arrive about a minute later. No contract to sign.