+ Sunday December 15th, 2019

Android L

I found that the first time I flashed Android L, a curious bug appeared — my home and recents buttons disappeared, and the notification shade refused to slide down. It seems I’m not alone; this bug only appears when upgrading/flashing Android L without wiping. It’s not clear exactly why this happens, but the good thing is that it’s relatively easy to fix.

If you find your Nexus 5 or Nexus 7 behaving this way, a quick ADB shell command will get it working properly again. If you’ve flashed Android L, we’re assuming you’re familiar with how to use ADB, so here’s the command you’ll need:

adb shell am start -n com.google.android.setupwizard/.SetupWizardTestActivity

It seems this isn’t a new fix; Paul O’Brien of Modaco fame figured this out some time ago, when he noticed the same kind of issue appearing when flashing a KitKat OTA update. What this command does is display the Welcome dialog as if you were setting up your phone from scratch. You’ll be asked to pick a language, join Google Now, and then you’ll be taken back to your home screen.

This time, the notification shade will work, but you may or may not see your home and recents buttons. If you don’t, just reboot your device and they’ll be right back where they belong.

Thanks: Paul O'Brien.

Chris Rowland   Managing Editor

Chris Rowland

Chris has been at the forefront of smartphone reporting in Australia since smartphones were a thing, and has used mobile phones since they came with giant lead-acid batteries that were "transportable" and were carried in a shoulder bag.

Today, Chris publishes one of Australia's most popular technology websites, Ausdroid. His interests include mobile (of course), as well as connected technology and how it can make all our lives easier.

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Neil Phillips
Neil Phillips

Fantastic – just what I was looking for, cheers Paul

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