https://community.three.co.uk/t5/Broadband/NR5103EV2-Firmware/m-p/61700#M9615 <P>There are enough threads here on the forum about the NR5103EV2 not performing well in pass-through mode, wit no final solution provided. I's all try this, try that.</P><P>I'm in the same boat. And sod's law the system cannot access the internet as I'm typing in this post!!!!!!</P><P>Deco XE75 on tilt again.</P><P>Only a reboot of the NR5103EV2 will restore the connectivity.</P><P>I have looked numerous times at the system logs of both the Deco and the Zylex, and cannot find any good reason as to why this is happening. The 5G signal is good here as is the 4G LTE.</P><P>Zylex has renamed this box to a Nebula Series FWA505 and has new firmware available.</P><P>The Three version is now stuck on <STRONG>V1.00(ACIR.1)C0&nbsp;</STRONG>which has known CVE issues.</P><P>So when will Three update this, or provide us with a replacement alternative box?</P><P>Waiting to hear from the community,</P><P>Lucas</P><P>&nbsp;</P> Thu, 28 Aug 2025 13:29:24 GMT LvdB 2025-08-28T13:29:24Z https://community.three.co.uk/t5/Broadband/NR5103EV2-Firmware/m-p/61700#M9615 <P>There are enough threads here on the forum about the NR5103EV2 not performing well in pass-through mode, wit no final solution provided. I's all try this, try that.</P><P>I'm in the same boat. And sod's law the system cannot access the internet as I'm typing in this post!!!!!!</P><P>Deco XE75 on tilt again.</P><P>Only a reboot of the NR5103EV2 will restore the connectivity.</P><P>I have looked numerous times at the system logs of both the Deco and the Zylex, and cannot find any good reason as to why this is happening. The 5G signal is good here as is the 4G LTE.</P><P>Zylex has renamed this box to a Nebula Series FWA505 and has new firmware available.</P><P>The Three version is now stuck on <STRONG>V1.00(ACIR.1)C0&nbsp;</STRONG>which has known CVE issues.</P><P>So when will Three update this, or provide us with a replacement alternative box?</P><P>Waiting to hear from the community,</P><P>Lucas</P><P>&nbsp;</P> Thu, 28 Aug 2025 13:29:24 GMT https://community.three.co.uk/t5/Broadband/NR5103EV2-Firmware/m-p/61700#M9615 LvdB 2025-08-28T13:29:24Z https://community.three.co.uk/t5/Broadband/NR5103EV2-Firmware/m-p/61831#M9641 <P>Exact same here, stuck on&nbsp;<STRONG>V1.00(ACIR.1)C0</STRONG></P><P>Why no updates, is there no manual way to download and apply via usb?</P> Mon, 01 Sep 2025 11:47:05 GMT https://community.three.co.uk/t5/Broadband/NR5103EV2-Firmware/m-p/61831#M9641 Fireyorks 2025-09-01T11:47:05Z