Can't deploy universal app to phone with Windows 10 Mobile Tech Preview

Question

I have a developer unlocked Lumia 635 just yesterday updated to Windows 10 Mobile Technical Preview (OS version: 10.0.12562.84).

After

Answer 1

Deploying a Windows 10 app to phones is not currently supported*. The functionality is expected in a future update (to either Windows 10's phone version, the developer tools, or both).

For now you can use the emulators to test apps on the phone form factors.

edit: here's the official word from Microsoft: MS Developer Tools Blog link

*it looks like some are able to hack it to work