[Q] How to find version number without going into "About"

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Basically I have an Iconia in which I am locked out of. I am going to run an update to get it unlocked. However, I have no idea what my current version is because I can't unlock it.

Is there an ADB command to get version?

If not, which version of the stock rom should I get?

Doesn't a full factory reset unlock it for you?

Originally Posted by zardoz99

Doesn't a full factory reset unlock it for you?

You mean pressing in the reset hole? No. Unless I am doing something wrong, it just does a soft reset and boots back to the lock screen.

How to Factory reset a500
1. Switch off
2. Press Vol-up + Power
3. If display goes on: Release power but hold vol-up
3. Toggle Lock switch (On>Off>On>Off)

Screen will display:

Erasing Userdata..
Erasing Cache..

if you can't go to Settings>Privacy>Personal data>Factory data reset..

Originally Posted by zardoz99

How to Factory reset a500
1. Switch off
2. Press Vol-up + Power
3. If display goes on: Release power but hold vol-up
3. Toggle Lock switch (On>Off>On>Off)

Screen will display:

Erasing Userdata..
Erasing Cache..

if you can't go to Settings>Privacy>Personal data>Factory data reset..

yeah...i've been trying this for the last half hour. Question about step 3: what position does it need to start in? how many times do i switch it back and forth?

to start, what orientation do i need to be holding the tablet?

EDIT: I'm an idiot. Landscape mode and I was holding down the wrong volume rocker.

so...how long is it supposed to be on the "erasing cache..." screen...because it has been displaying that message for awhile now...

EDIT: I followed the above steps but I plugged in a USB keyboard. Used the onscreen menu and formatted the tablet.