[Download] Android 4.1.2 Jelly Bean Update JZO54K for Nexus 7 Rolling Out Now

Nexus 7 Android 4.1.2 Jelly Bean Update JZO54K

Just a few moments after Google’s chief release engineer Jean-Baptiste Queru (JBQ) announced the release of the Android 4.1.2 build on Android Open Source Project (AOSP), Google has started rolling out the latest firmware update – Android 4.1.2 Jelly Bean build for the ASUS-made Nexus 7 tablet. The new update bumps the software version of the Nexus 7 up to JZO54K.

What’s new in Android 4.1.2 Jelly Bean update:

# Performance and stability improvements
# Addition of landscape mode in the launcher, which is a much needed feature
# Enables landscape orientation to both the homescreen and lockscreen
# Some unknown bug fixes
# On Jelly Bean, failed to connect to WPA enterprise wireless is fixed in 4.1.2 (# please refer code 34212)
# Expanding and collapsing notification now require only one finger to operate (Previously required two fingers)

JBQ also mentioned that Nexus 7 will be getting a new power management chip, but there’s no word on any particular benefits it offers


Nexus 7 Android 4.1.2 Jelly Bean Update JZO54K

You should be seeing the notifications (as shown in the above picture) on your screens asking you to accept the update, which is 31.3MB in size and sports a JZO54K build number. You can also try to manually update your Nexus 7 tablet, by hopping over to Settings option and look for it.

If you haven’t gotten your update yet, you can flash the Android 4.1.2 on your Nexus 7 tablet. Go and grab it from Google servers or hit the below link:

JZO54K Android 4.1.2 update zip

Instructions below (courtesy of Android Police) for flashing the Android 4.1.2 ROM:

Please remember your Nexus 7 should be running Android 4.1.1 JB build JRO03D, before you proceed to flash it.

# Reboot your Nexus 7 and hold the VolDn button while it’s starting up.
# You will see “fastboot” menu and the word “Start.”
# Now, keep pressing VolUp until you see Recovery and then press the Power button to enter recovery.
# Now, you will get an Android robot with a red exclamation point and then press VolUp + Power buttons together.
# Now, you will get a menu and select “apply update from adb” option from the menu.
# Connect your Nexus 7 to your PC via an USB cable.
# You should be having adb  (if don’t have, download it from here and make you sure you read this guide on how to install ADB and Fastboot on your PC)
# Launch command prompt (cmd) on your PC in the same directory as the zip file.
# Now type the below commands in command prompt:
adb sideload 03a4eaf95f73.signed-nakasi-JZO54K-from-JRO03D.03a4eaf9.zip” (without codes)
# Please be patient until teh upgrading process finishes successfully. 
# That’s it. Enjoy Android 4.1.2 goodies on your Nexus 7 tablet.

Nexus 7 Android 4.1.2 Jelly Bean Update JZO54K

Pic Credit: EETimes

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