General disclaimer: Choosing to follow this guide is all on you. I give no promises for help nor any form of compensation if problems arise. No exceptions. This process will erase, remove and otherwise, wipe out all data on your device. Additional notes: I intentionally avoid packaged ADB tool kits. Before continuing, I suggest getting a backup blob using Flatline of the entire Nexus 7 device.
If I had known about this earlier, it could have saved me a lot of headache during an update. See the article here. Click start and paste this in: cmd. Then, also extract the image-nakasi-ktu84p. Each command is on a single line. Next, enable developer mode and USB debugging. Open Settings 2.
Scroll down to the System section and tap About tablet 3. Go back to settings and tap on the new Developer Options item 5. When prompted to allow, tap OK. Connect your Nexus 7 to the USB port on your computer.
Press OK to allow the connection. Start by making sure the device is being read properly. From your command prompt, run this command: adb devices If all goes well you should see the device ID listed like so:. Next, we will need to unlock the bootloader with this command: adb reboot bootloader The nexus should reboot into a bootloader menu — You may hear the Windows sound indicating a device was disconnected, then reconnected. This is normal.
Typically, this screen has some small text. The most noteworthy is the lock state. If this is the first time loading, it should say the lock state is Locked. Next, using the command prompt we are going to unlock the boot loader with this command: fastboot oem unlock This should change the lock state to Unlocked. Next, run these 7 commands in order from the command prompt: 1. Be patient. At this point, your device should reboot and load the stock image.
And afterwards reinstall all your apps. There are other ways, but this has been the simplest method by far. Not long after installing, you will see the update notification at the top-right of your tablet, like so:. When the update appears, swipe down to the short menu then press-and-hold on the update until App Info appears.
If you want to clear out any downloaded data, you should be able to click Clear Data before leaving the page. This is optional. This should eliminate any future nag screens and help keep you from accidentally updating to version 5.
Downloading of the system image and use of the device software is subject to the Google Terms of Service. Acknowledge I have read and agree with the above terms and conditions. Except as otherwise noted, the content of this page is licensed under the Creative Commons Attribution 4.
For details, see the Google Developers Site Policies. Google is committed to advancing racial equity for Black communities. See how. Terms and conditions While it may be possible to restore certain data backed up to your Google Account, apps and their associated data will be uninstalled.
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