My (very) limited experience of TV web browsers is that they're painfully slow and clumsy to use ...... always having to move a curser on an on-screen keyboard.
The best option is to use a tablet or smart phone with a Chromecast or Miracast/WiDi dongle.
Unfortunately, my Samsung 'D' series has picture issues and is currently sitting in the cellar waiting for me to remove the back and have a tinker, but I used both Chromecast and Microsoft Wireless Display adapters with it.
On my replacement (non-Samsung) TV, I can mirror the screen of an Android tablet using the cast option from settings drop done (only visible when Chromecast is present); or directly to WiDi (wireless display) with Windows phone.
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| || |I'm 100% confident that people don't browse the internet on TVs without a browser
However, the normal Samsung SmartTV setup does include a browser app; maybe he just needs to install it from the App Store?
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The Smart Hub browser app. was primarily for searching and watching videos, and has now been superseded by the use of casting dongles.