Any way to hard reset a HDC A9100?

Question

I need to hard reset my HDC A9100 any way I can. Please, does anyone know how?

To clarify: I need to overcome a forgotten screen lock, and the documentation provides no helpful information (it's here: http://www.swedishphones.com/uploads/7/4/6/3/7463877/hdc_a9100__manual.pdf)

A few attempts at the 'hold the volume buttons' etc while it powers on have been unsuccessful.

I do know the right username/pass combination for the "forgotten your..." screen, but it doesn't appear to work.

Does anyone have any recommendations?

Why do you need to hard reset? Surely your HDC A9100 has some booklet or documentation on this? If not, please clarify what Android version you're running. It could be a factory reset that is needed? — t0mm13b, Commented Oct 7, 2012 at 0:14
Still looks like you rather mean a factory-reset. Please hold your mouse-pointer over the tag to see what hard-reset stands for: nothing but a "forced reboot", which is unlikely to solve your issue. I'd rather re-phrase your question, as it is what we call a XY-problem: You probably don't want to know how to do a hard-reset, but how to overcome your screen-lock problem, correct? — Izzy, Commented Oct 7, 2012 at 22:50
See also: Q: Cannot unlock tablet as have no internet connection?, which has a lot of solutions to get around the issue. — Izzy, Commented Mar 23, 2013 at 16:18

Simulant · Accepted Answer · 2012-10-06 22:18:58Z

1

Have you tried the standard Android hard reset? I heard this works for all Android phones.

turn it off (if you cannot shoot it down, remove the battery).
hold both volume-buttons and the home-button and then hold the power button. about 5 seconds

use this at your own risk! You will lose all your installed data and get a clear reset to shipping settings, if it works.

answered Oct 6, 2012 at 22:18

Simulant

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Is this standard across the board? Clearly the OP has not provided enough clues.
– t0mm13b
Commented Oct 7, 2012 at 0:15
I added some more info, but I've tried this and it didn't seem to work...
– N. McA.
Commented Oct 7, 2012 at 11:24

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