The 2017 LG B7A OLED 4K HDR Smart TV - 55'' Class (54.6'' Diag), Model # OLED55B7A was replaced with the 2018 LG B8PUA 4K HDR Smart OLED TV w/ AI ThinQ® - 55'' Class (54.6'' Diag), Model # OLED55B8PUA which was replaced with the 2019 LG B9 55 inch Class 4K Smart OLED TV w/AI ThinQ® (54.6'' Diag), Model # OLED55B9PUA, which was replaced with the 2020 LG BX 55 inch Class 4K Smart OLED TV w/ AI ThinQ® (54.6'' Diag), Model # OLED55BXPUA and that was replaced with the 2021 LG B1 55 inch Class 4K Smart OLED TV w/ AI ThinQ® (54.6'' Diag), Model # OLED55B1PUA which was replaced with the 2022 LG 55 Inch Class B2 PUA series OLED 4K UHD Smart webOS 22 w/ ThinQ AI TV, Model # OLED55B2PUA. Each succeeding OLED featured newer technology and improved features and prior to 2019, our OLED TVs featured HDMI 2.0 ports. Our 2019 LG OLED TVs featured full bandwidth HDMI 2.1 ports and the B9 series featured 2 HDMI 2.0 ports and 2 HDMI 2.1 ports. So if you follow the trend, you can see that other than how long it has been since any of these models were discontinued due to when they were first manufactured, except for the current 2022 B2 series, the models were discontinued because a newer model with more current and newer technology and upgraded features was manufactured to replace the older models...^Ivan

We regret to read that HDMI 1 on your LG B7A OLED 4K HDR Smart TV - 55'' Class (54.6'' Diag), Model # OLED55B7A quit working. YOu can contact our Support Representatives at our Customer Service Center, at (800) 243-0000 and they can assist you in making arrangements for repair service or you can visit us at https://www.lg.com/us/support/find-service-center and use the Service Center locator to find an LG Authorized Service Center in or near your area that you can contact to make arrangements with for repair service...^Ivan

Regrettably, the LG B7A OLED 4K HDR Smart TV - 55'' Class (54.6'' Diag), Model # OLED55B7A is a 2017 model that runs on the LG webOS 3.5 TV Platform, and the HBO Max app is only available on LG OLED TVs, LG QNED Mini LED TVs, and LG NanoCell TVs from model years 2018-2021 via webOS 4.0 and higher...^Ivan

The Ethernet port (LAN port) for the LG B7A OLED 4K HDR Smart TV - 65'' Class (64.5'' Diag), Model # OLED65B7A is located on the back of the TV between the RS-232C port and the USB IN 3/ HDMI 4 ports. It is labeled as "LAN"...^IFV

What connectivity does your Sonos Arc have? The LG B7A OLED 4K HDR Smart TV - 65'' Class (64.5'' Diag), Model # OLED65B7A is a Bluetooth-enabled TV that can be paired with any Bluetooth-enabled Soundbar. It has an HDMI ARC port that can be connected to an HDMI ARC port on a Soundbar, and it also has an Optical Digital Audio Out that can be connected to an Optical Digital Audio In on a Soundbar...^IFV

Regrettably, there is no way to determine if the issue is with the web browser for the B7 OLED 4K HDR Smart TV - 65'' Class (64.5'' Diag), Model # OLED65B7P, or if something with the METOPEARA site changed that would cause it to stream. Since there has been nothing that has been changed in the web browser on the TV, it is likely that something changed on the website so you may want to contact METOPERA.com directly to inquire if they changed their services when you first encountered the issue...^IFV

The Netflix, Amazon Prime Video, Hulu, Vudu, YouTube, Google Play Movies & TV, Sling TV, LG Channels, and Russian Cinema are some of the pre-installed Premium Content Provider apps that can be found on the LG B7A OLED 4K HDR Smart TV - 55'' Class (54.6'' Diag), Model # OLED55B7A. Other additional compatible apps can be downloaded and installed on the TV from the LG Content Store (App Store) which is a feature that can be launched from the TV's home screen...^IFV

The LG B7A OLED 4K HDR Smart TV - 55'' Class (54.6'' Diag), Model # OLED55B7A is not Amazon Alexa compatible. That was a new feature for the 2018 LG OLED models...^IFV