The Nokia Lumia 800 handset already seen a lot of firmware updates including the latest one 12070, bringing the improved battery life, enhancements to bass audio for better voice and music quality, and more. But after upgrading to the previous firmware build 12070, users have been reporting about the erratic volume behavior of the handset.
For fixing that annoying audio volume bug, the Finnish company has started rolling out another new firmware update 12072 for the Nokia Lumia 800 handset, bumping up the software version up to 1600.2487.8107.12072. The update also brings improved power management with better charger recognition and changes to camera app settings. That means it will automatically detect 50Hz and 60Hz flickering from electronic lights when flicker reduction is on.
Nokia has yet to officially announce about the latest update 12072. You may connect your handset to a PC machine and check your Zune software update to grab it by following the proper instructions. If the update has yet to reach your handset, a CAB of the update is available for download, which is weighing in 38.2MB of size. You can download it and follow the instructions provided here.
# Download PR 1.2 1600.2487.8107.12072 update from here and WPupdate tools from here.
# Unzip the Tools in a folder and copy the downloaded firmware to the same folder.
# Connect the Lumia 800 to PC via USB cable and Zune will automatically detect it.
# Run the the Updater and press S or B.
# The Lumia 800 handset will reboot in download mode now and the upgrade process will finish successfully.