@Mr_Jyrki Hi, welcome to the community. It is RP-SMA on Deco X50-5G. For more details about the exterior antennas, please refer to 5G external antennas on Deco X80-5G and Deco X50-5G. Best regards.

@pdeseymour Hi, Deco M5(EU)_1.7.6 hasn't been fully rolled out and some users might still need some time to detect the new firmware via Deco APP. If you want to test the new 1.7.6 firmware, you could...

@Olly-Smith Hi, yes, you could connect the satellite Deco S7 directly to the rest 2 Ethernet ports. How to use Ethernet Ports on Deco? Best regards.

@Antiebettie Hi, Yes, you could purchase a new Deco unit, and all Deco models work well with each other. Can different Deco models work together? Thank you very much and best regards.

@Jaiume Hi, welcome to the community. Currently, the Network Name follows the SSID so you might also need to edit the wireless SSID. Best regards.

@Blackblue Hi, Thanks for the update. In this way, please contact the local support team to request warranty service. https://www.tp-link.com/uk/support/replacement-warranty/ Best regards.