HELP! Locked out of my Android device

StewartR

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Any Android experts out there? If you aren't one, do you know one? I've managed to lock myself out of my Android tablet, and for the life of me I can't work out how to get in.

Here's how it happened.

I have an app on my Android tablet called 'Screen Off and Lock'. It gives me a button on the home screen to switch the device off without having to fumble for the tiny on/off switch. Unnecessary but sometimes convenient.

Last night the device wanted to download and install a system update. I'm not exactly sure what it was. Maybe an Android update, or perhaps a pointless update to the manufacturer's pointless pre-installed software that I don't use. Either way, the device was going to keep reminding me about it until I did it, so I allowed the installation to proceed.

This morning, there's something subtly different about the login procedure. Normally I just switch the tablet on and do the join-the-dots security thing. But today, firstly I have to swipe a little Google icon up the screen (maybe that's a new Android thing?), and then I play join-the-dots. And then it pops up a message asking me which app I want to use for this action: Google? or Screen Off and Lock? And of course I'm offered Just once or Always.

I select Google, Just once, and I'm in OK. But I'm curious. What (if anything) would be different if I select Screen Off and Lock? Maybe I won't need to swipe the Google logo before playing join-the-dots. That would be a slight improvement. So I switch off, and then switch on, swipe the Google logo, and join the dots, only this time I select Screen Off and Lock instead of Google.

Instead of the system letting me in, it shuts down. Oh. I guess that's really all that Screen Off and Lock does, but if that's the case I can't imagine why it was offered to me as an option. Anyway, I switch on, swipe the Google logo, join the dots... and it shuts down. Switch on, swipe the Google logo, join the dots... and it shuts down.

I think I must have accidentally pressed Always instead of Just once. Oops.

So, how do I get in?

Is it possible to uninstall the Screen Off and Lock app remotely? I have a vague feeling that it's possible to do this from the Google Play Store, but I've checked that from my phone browser and I can't see how to do it?
Is it possible to uninstall the app if I'm logged on to the device in a different account? The tablet is configured with two users and two accounts, mine and my wife's, because we use different apps and like to use the tablet in different ways. I can log on as her, but is that going to help?

Any other ideas?

If it's relevant, the device is an Asus Transformer TF101, one of those convertible devices with a detachable keyboard. It's running Android 4.4.2.

Thanks for your help!
 
If you plug the tablet into a pc can you browse the files and locate the app and just delete the files?
That sounds like it might work. (But then if I were an expert I wouldn't be in this predicament!) I don't have access to a PC at the moment - I'm on a train - but I'll try it when I can. Do you know what I would be looking for?
 
Pretty sure Google removed the ability to uninstall from the Play Store via browser about 18 months ago...
 
Pretty sure Google removed the ability to uninstall from the Play Store via browser about 18 months ago...
Well, that would be consistent with my inability to find it there...
 
Can you create another user account from your wife's account? I'd do that for now then you can at least have a functioning tablet while on the train.
 
Can you create another user account from your wife's account? I'd do that for now then you can at least have a functioning tablet while on the train.
Thanks for the suggestion, but I don't need to. I can use her account. It just doesn't have lots of apps that I use (such as TP).
 
Actually that gives me some questions about multiple users/accounts on Android.

Assuming I'm logged in to my wife's account on the device:
- Can I delete my account? If I do, and then I recreate it, what will I gave lost?
- Can I create a new account, but with the same ID (ie linked to the same Google/Gmail account) as my existing one, without deleting the existing one first? Would that help?
 
Can you create another user account from your wife's account?
I've just tried it, and no I can't. It says "Only the tablet's owner can manage users", and the owner is me (ie the account I can't get into).

So that answers all my other questions about account administration too. No can do, it seems.
 
Try THIS Stewart.
Result! Thanks!

The page you linked to is this one:
http://lifehacker.com/5965022/how-to-reboot-your-android-phone-or-tablet-into-safe-mode

It describes how to boot into safe mode. However, what it doesn't say is that, in safe mode, non-system apps are not only inoperative, they're also invisible. That stumped me for a bit. If the app isn't there in the app drawer, how can you uninstall it?

Fortunately that page referenced its source:
http://www.howtogeek.com/130327/how-to-boot-your-android-phone-or-tablet-into-safe-mode/

And this one is a bit more detailed. It explains that, although you can't see non-system apps in the app drawer, you can still uninstall them via Settings>Apps. So that's what I did.

Thanks again. I'm all sorted now.
 
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