With that being said, if you're comfortable
loading factory images then by all means proceed further.
As you may well know,
loading a factory image onto your device is going to wipe all the data off of it.
Not exact matches
NOTE: the first boot process of this new
factory image is going to take a while before it
loads all the new files files.
The first boot process of Android 5.0.2 LRX22G
Factory Image will take a while before it
loads all the new Lollipop files.
The
factory images for those who are uninitiated are a way to
load on the latest Android software without waiting for the OTA.
The OTA update will most likely take some time before they're pushed out by Google, but you can bypass the waiting game by
loading on the
factory images for your specified device, which in this case is the 2012 Nexus 7.
Make sure you grab the correct
factory image (i.e. wifi or LTE model of the 2012 Nexus 7) to
load on.
Things worth noting here, if you
load up a
factory image, you'll be getting official Android 5.0 Lollipop.