Download Nokia Software Updater for Retail 4.2.1. Version 4.2.1 is also a mandatory update over the previous 4.1.0 version. The update needs to be done before you can. Official Nokia Software recovery tool. NSU retail 4.1.0 with Lumia WP8 dead-phone recovery mode. Official Nokia Software. Nokia Software updater retail 4.

Automation Studio 5 Library Files Download. The easiest way is to get the official bits from Microsoft directly. Install the 'Preview for Developers' app from the store (it's free), and then run it.

If you aren't dev-unlocked yet, you'll need to use the Windows Phone Developer Registration tool (it's part of the free WP8 SDK from Microsoft). Once developer preview mode is active, just go to the Settings hub ->Phone Update and check for updates; there should be three or four I think. Thomson Datastream. You can probably do it using the Nokia tool too, but the method I just described will work for all phones.