TerraMaster Forum

There is a Tos7 install package available "in the wild", but you can't guarantee that it will give you the correct bootloader package for your model atm. Best to retry an install of latest Tos6 and update following the applicable notes, warnings and procedures for your particular device. ...

Is there an official image TOS7 image? i want to manually fresh install it on an NVME.

After updating to TOS7 suddenly Tailscale on the Web UI giving the "502 Bad Gateway" error and i canno't find the NAS anymore even when it states that the NAS connected in the Admin console. Any idea how to fix that? Just confirming I have the same issue. I bought a F4-425 Plus today and ...

I followed exactly the same guide you linked amd was upgrading from 6.0.794 using the 7.0.747 file. I eventually rebooted the system and it seems that the update went through and everything seems to be working except Tailscale giving now Bad Gateway 502 error and no longer working. except that i do...

RyanYang wrote: ↑24 Jun 2026, 14:43

From 6.0.794.

After updating to TOS7 suddenly Tailscale on the Web UI giving the "502 Bad Gateway" error and i canno't find the NAS anymore even when it states that the NAS connected in the Admin console.
Any idea how to fix that?

Please double check if your network connection is stable clear browser cache and refresh browser then check again Or update manually with update package below https://download3.terra-master.com/TOS%20packages/TOS%20update%20packages/7.0/x.64/TOS_X642.0_Update_7.0.0746_1246_2606171217.bz2 I cleared ...

Stuck on 9% for 1 hour now, any suggestion what to do now?