This guide will show you how to update your Lumia to the latest software version. Updates give you access to new improvements and fixes bugs on your phone. It is recommended to back up your phone before you start this guide. 2. Update software - Nokia Lumia 625. 1 Before you start. This guide will show you how to update your Lumia to the latest software version. 1/4. Nokia PC Suite is a free application that lets you manage your Nokia mobile phone files and content on your Microsoft Windows PC. The app allows you to transfer data between your mobile device and your computer or laptop. Additionally, you can send text messages within the platform. Your cellphone can be synced to your PC through various Do not forget! There are couples of old Lumia's to able to handle the Windows 10, or even the Redstone. Do not hassle with xap's or appx's to make it Interop unlocked. There is still hope for them. Do not throw away your 520, 820 or 920 Nokia Lumia 520 Windows Phone 8.1 Lumia Denim OTA Firmware Upgrade 3058.50000.1425.0001 datasheet: 2014 Dec 19, ROM Update, Microsoft, Nokia Lumia 520 Windows Phone 8.1 Lumia Denim OTA OS Upgrade v3058.50000.1425.0001 / 3058.50000.1425.0002 / 3058.50000.1425.0004 / 3058.50000.1425.0005 Lumia Denim software update: Featuring an improved camera experience, Live Folders and more. Oh, and say Free Nokia 114 WhatsApp Messenger App Download. Once WhatsApp is installed and launched on your desktop, you will see a QR code to connect your smartphone and desktop apps. Open WhatsApp on your - Download Windows RT 8.1 ISO (publicly available on Internet, Google it) - Download a Lumia 2520 recovery image for some files (I will post these files later) - Download a Windows Phone 8.1 firmware for your phone - Extract drivers, re-assembly INF files - Patch some drivers (see my note) - Self-sign some drivers (see my note) 19WR.