: Reset devices that do not have a built-in factory reset option.
: Turn off your Nokia phone completely. While holding the Volume Down (or sometimes Volume Up) button, connect it to your PC via USB cable. Download Nokia Flash Tool 1420
: Install the latest official software packages. : Reset devices that do not have a
: Get the SP Flash Tool v5.1420 from a reliable source like SourceForge and extract it to your PC. Download Nokia Flash Tool 1420
: Disconnect the device and power it on. The first boot may take several minutes. Supported Features
: A progress bar will appear. Once finished, a "Download OK" green ring or a success message will show.