sideload

or side-load

[ sahyd-lohd ]
/ ˈsaɪdˌloʊd /
Computers.

verb (used without object)

to transfer software, data, etc., from one local system or device to another, typically from one's computer to a mobile device.

verb (used with object)

to transfer (software, data, etc.) by this process: It'll take two more minutes to sideload my podcasts to my phone.

Origin of sideload

1995–2000; in the sense ‘off to the side’, i.e., not over the Internet; patterned after upload and download