The Windows 10 Mobile - or Windows Phone 8.1 - device needs to be connected to a PC via USB before it can use the new updater. The phone needs to be connected to a PC via USB, unlocked, and in airplane mode to use the updater. In what appears to be a hastily-written support note filled with spelling errors, Microsoft explains that the tool 'updates eligible Windows phones to the latest version of WIndows 10 Mobile'. To install it, users need to download the file OtcUpdaterZip.exe and run it on a PC. To help Windows Phone 8.1 and Windows Mobile 10 users install future updates, Microsoft has released the over-the-cable (OTC) Updater tool, which moves updates from a PC to the phone. Managing the influx of Apple devices into the workplace.Microsoft's latest mobile platforms bring back more business-friendly features.