@frooty did you try updating once more with 'u' and maybe an additional 'uf'?
Yes. I've also done a few "from scratch" installs too - format the USB & jffs partition - same result. If it helps, here's what I get if I try running a speed test:
[2020-02-20 19:45:39.810] [error] Trying to get interface information on non-initialized socket.
[2020-02-20 19:45:39.941] [error] Configuration - Couldn't resolve host name (HostNotFoundException)
[2020-02-20 19:45:39.942] [error] Configuration - Cannot retrieve configuration document (0)
[2020-02-20 19:45:39.942] [error] ConfigurationError - Could not retrieve or read configuration (Configuration)
[2020-02-20 19:45:39.943] [error] ConfigurationError - Could not retrieve or read configuration (Configuration)
[error] Configuration - Could not retrieve or read configuration (ConfigurationError)
Error: near line 3: near ",": syntax error
spdMerlin: Speedtest results - -
spdMerlin: Starting speedtest using auto-selected server for VPNC1 interface
[2020-02-20 19:45:43.428] [error] Trying to get interface information on non-initialized socket.
[2020-02-20 19:45:43.559] [error] Configuration - Couldn't resolve host name (HostNotFoundException)
[2020-02-20 19:45:43.560] [error] Configuration - Cannot retrieve configuration document (0)
[2020-02-20 19:45:43.560] [error] ConfigurationError - Could not retrieve or read configuration (Configuration)
[2020-02-20 19:45:43.561] [error] ConfigurationError - Could not retrieve or read configuration (Configuration)
[error] Configuration - Could not retrieve or read configuration (ConfigurationError)
Error: near line 3: near ",": syntax error
spdMerlin: Speedtest results - -
Hope it helps someone.