Copy it to the Public shaed folder on the NAS...
Alternatively, change the default directory to the Public share; download it direct to the NAS from the distribution link; unzip, and check the integrity (compare with the Release Notes) - for the TS-210 v3.6.1 0302:
[Checksum]
TS-210: 978420493
[~] # cd /share/Public
[/share/Public] # wget
http://eu1.qnap.com/Storage/TS-210Turbo ... ld0302.zip--2012-05-10 21:31:03--
http://eu1.qnap.com/Storage/TS-210Turbo ... ld0302.zipResolving eu1.qnap.com... 80.74.151.56
Connecting to eu1.qnap.com|80.74.151.56|:80... connected.
HTTP request sent, awaiting response... 200 OK
Length: 145371643 (139M) [application/zip]
Saving to: `TS-210_3.6.1_Build0302.zip'
...
[/share/Public] # unzip TS-210_3.6.1_Build0302.zip
Archive: TS-210_3.6.1_Build0302.zip
inflating: TS-210_3.6.1_Build0302.img
...
[/share/Public] # cksum TS-210_3.6.1_Build0302.img
978420493 145349650 TS-210_3.6.1_Build0302.img
...
Now you are ready for the update
