monthly marshmallow updates on nexus 7 razorg without loss of userdata
Saturday, February 6. 2016
get the latest built from developers.google.com/android/nexus/images
unpack it to your android working dir.
cat flash-all.sh for the current filenames (below is from mmb29q)
adb devices
adb reboot-bootloader
fastboot flash bootloader bootloader-deb-flo-04.05.img
fastboot reboot-bootloader
fastboot flash radio radio-deb-deb-z00_2.44.0_0213.img
fastboot reboot-bootloader
fastboot flash system system.img
fastboot reboot
all the data and settings survived and the device shows
MMB29Q
1. Februar 2016 as Patchlevel.