I've just updated my [old] Nexus 7 (2012 / Wi-Fi) to Android Lollipop 5.1.1 following the "standard" procedure I've alway gone through since I've owned it;

Here's what I've done so far:

  1. Booted into the bootloader
  2. Unlocked the bootloader via fastboot
  3. Flashed everything via fastboot using a custom bash script
fastboot flash bootloader bootloader-grouper-4.23.img
fastboot reboot-bootloader
sleep 5
fastboot flash recovery recovery-clockwork-
fastboot flash boot boot.img
fastboot flash system system.img
fastboot flash userdata userdata.img

*This did nothing more than flashing the stock Android Lollipop 5.1.1 (LMY47V) (nakasi) firmware for Nexus 7 (2012 / Wi-Fi) images downloaded from Google Developers, aside from the recovery image, which was the ClockworkMod Recovery image instead.

  1. Booted straight into the recovery mode
  2. Downloaded and pushed SuperSU using adb push UPDATE-SuperSU-v2.46.zip /mnt/sdcard/0/
  3. Installed SuperSU via the recovery mode

And here is where I got stuck. The idea was to edit /system/build.prop in order to force the first setup to allow me to skip the Wi-Fi connection step, however apparently there's no /system/build.prop whatsoever in the system.

Here's what I tried through the adb shell (as root):

user@debian:~$ adb pull /system/build.prop .
remote object '/system/build.prop' does not exist
user@debian:~$ adb shell
~ # ls -la /system/
__bionic_open_tzdata: couldn't find any tzdata when looking for localtime!
__bionic_open_tzdata: couldn't find any tzdata when looking for GMT!
__bionic_open_tzdata: couldn't find any tzdata when looking for posixrules!
drwxr-xr-x    3 root     root             0 Jan  1  1970 .
drwxr-xr-x   22 root     root             0 Jul 23 07:40 ..
drwxr-xr-x    2 root     root             0 Jan  1  1970 bin
~ # find / -type f -name 'build.prop'
~ # exit

1 Answer 1


The /system partition wasn't mounted; I've noticed this only manually browsing the /system/bin/ folder, which was empty.

I mounted the partition within the recovery mode by browsing to "mounts and storage" and by selecting "mount /system"; afterwards I've been able to run adb pull /system/build.prop ., edit the file and upload it again running adb push build.prop /system/build.prop.

To unmount the partition afterwards, one might browse to "mounts and storage" and select "unmount /system".

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