@MaxSimonse Hi, thanks for the update. There is a new beta firmware 1.4.999 here ready for testing if you're interested: Firmware 1.4.0 for Deco XE75/XE5300/XE75 Pro_V2/V3 Added Wi-Fi Access Control,...

@PE1GWX Hi, thanks for the update. I also noticed that you had submitted an APP feedback. It seems like the main Deco XE75 Pro is still on the official 1.3.1. Did you already have it downgraded to...

@Phardy Hi, Deco X50 can be added behind a powerline adapter. After the basic setup here(https://www.tp-link.com/en/support/download/deco-x50/#video), it is recommended to set Deco into Access point...

@haselmaus Hi, welcome to the community. Have you tested the beta firmware here: Fixing incoming calls being rejected when using MultiSIM cards on the 4G/5G routers Best regards.

@sam_mhd Hi, thanks for the message. Did you receive the NX510v from the mobile ISP? The firmware update for service providers' models needs to be approved by the ISP first. Have you ever checked...

@ToneAU Hi, the last four characters would be used as the default SSID, such as Deco_XXXX. Every Deco has its dedicated MAC addresss so the default SSID is also different.