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Thursday, October 27, 2016

How To Speed Up Your Old Nexus Tablet

In Android tablet terms, 2012 years is more or less the beginning of time. Since then Android has got more and more complex, while your device’s hardware remains forever stuck in the past. Future Android updates might result in performance improvements, but the benefits are likely to be limited on ageing hardware.

Reverting to an earlier version of Android such as 4.4 (KitKat) would speed things up considerably but the process is difficult and, if you get it wrong, your Nexus will be useless. Moreover, reverting to an older Android version means recent apps may no longer work, and you’ll be exposed to older security flaws. But if you’re an adventurous sort, here’s a summary of what to do but back up first, and proceed at your own risk!

First, visit the Google Developer page at bit.ly/2e0JD4G to download the relevant Android version factory image. Next, download and install Android Debug Bridge (ADB) from bit.ly/2e0MwCn, then unzip your Android factory image into the adb-tools folder created by ADB. On your Nexus 7, tap Settings, then repeatedly tap Build Number until Developer Options are enabled. Now tap Developer Options and tick USB Debugging.

Switch off the tablet and return to your PC. Press Windows key+E to launch File Explorer (or Windows Explorer), then navigate to the adb-tools folder. Hold down Shift, right-click abd-tools and choose ‘Open command window here’ (see screenshot). Then, on your Nexus, hold down both the power and volumedown buttons for a few seconds. When the Start screen appears, connect the tablet to your PC via its USB cable. In the Command window on your PC, type fastboot oem unlock and press Enter. On the Nexus, use the volume keys to select Yes then press power to confirm this unlocks the bootloader. Back in the Command window, type fastboot reboot and press Enter.

When your Nexus reboots, select Recovery Mode and press power to confirm. Select ‘wipe cache partition’ then hit power, then select ‘wipe date/ factory reset’ and hit power again. Finally, return to the adb-tools folder in File Explorer and double-click flashall.bat: your chosen Android factory image will now be installed on your Nexus. When it reboots, your Nexus will have returned to the earlier Android version  and it should feel as fast as it did on day one.

As for the battery, it’s just wearing out. We’d suggest living with this but if you want to add to the fun, it can be replaced. The website iFixit has a good illustrated guide, at bit.ly/2e0Nej1. You’ll be able to buy a new battery from Amazon.
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