Most likely causes
- The second television is further from the router, so its Wi-Fi signal is weaker.
- The second device is older or less powerful and struggles with heavy or 4K feeds.
- The two devices run different apps or different buffer and decoder settings.
- One television is wired and the other is on Wi-Fi.
- A single-connection plan is already in use on the first TV, so the second cannot open a second stream.
Fixes, in the order to try them
Check the Wi-Fi signal in the second room on that device. If it is weak, move the router closer, add a mesh node or wire the device with Ethernet or a powerline adapter.
Compare the devices. If the working one is a newer 4K stick or box and the other is an older or budget model, use HD feeds on the weaker device or upgrade it.
Match the app and its settings across both: the same player, the same buffer size, and hardware decoding turned on.
If the good television is wired and the other is not, wire the second one too; that difference alone explains a lot of buffering.
Check your plan allows enough simultaneous streams. If both TVs are on at once and your plan permits only one, the second will fail until the first stops or you move to a higher device tier.
Restart the second device and the router, then test the same channel on both side by side to confirm the fix.
Related guides and fixes
IPTV buffers on Wi-Fi but not Ethernet
The wired-versus-wireless difference, explained.
IPTV only buffers in the evening
If the weaker TV only struggles at peak, start here.
Frequently asked questions
How many devices your plan allows, and more.
All IPTV fixes
Every common IPTV problem and its fix, gathered on one page.
IPTV questions answered
Cost, legality, devices and setup, in plain language.
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Works on one TV, not another FAQ
Why does IPTV work on one TV but not the other?
The account is the same on both, so the difference is the second setup: usually weaker Wi-Fi in that room, an older device, or different settings. It can also be a plan that allows only one stream at a time.
Can I watch IPTV on two TVs at once?
Yes, if your plan allows more than one connection. Each simultaneous stream uses one connection, so a two-device or higher plan lets a second television play while the first is on.
Is it the TV or the connection?
If the weaker room has poor Wi-Fi, it is the connection; wiring it usually fixes it. If the signal is good but an older device still struggles, it is the device, and HD feeds or an upgrade help.
Do both TVs need the same app?
No, but using the same player and settings makes them behave the same and rules out a settings difference when you are comparing why one works and one does not.