Boox Note Air 5c Forgotten Pin

WhinSerwin · Yesterday, 03:07 PM

Hi All!

I'm a Note Air 5c user and run into an issue - my son changed the PIN code and forgot it so now I'm locked away from my device

...

Is there a way to factory reset the tablet without being able to log in?
I saw a guide saying that I should hold the power button for 5 seconds then press 5 times but maybe I'm doing something wrong because it ends up booting up normally.

I'd appreciate your help!

Renate · Today, 12:02 AM

You're on the right track, but the timing can be tricky.
Personally, I hate anything requiring coordination.
I think that I've had luck pushing it a bit faster than once a second.
Except that you don't know when it starts counting.
So do it as soon as you release reset and keep on doing it.

abl (used to?) has something that detects keystrokes on the internal UART line.
But it needs fifty keystrokes at the right time.
I finally wrote a program to read the UART TX to get the timing correct.

Yesterday, 03:07 PM	#1
WhinSerwin Junior Member Posts: 1 Karma: 10 Join Date: Nov 2026 Device: Boox Note Air 5c	Boox Note Air 5c Forgotten Pin Hi All! I'm a Note Air 5c user and run into an issue - my son changed the PIN code and forgot it so now I'm locked away from my device ... Is there a way to factory reset the tablet without being able to log in? I saw a guide saying that I should hold the power button for 5 seconds then press 5 times but maybe I'm doing something wrong because it ends up booting up normally. I'd appreciate your help!

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Today, 12:02 AM	#2
Renate Onyx-maniac Posts: 4,576 Karma: 22077803 Join Date: Feb 2012 Location: Germany Device: Nook NST, Glow2, 3, 4, '21, Kobo Aura2, Poke3, Poke5, Go6	You're on the right track, but the timing can be tricky. Personally, I hate anything requiring coordination. I think that I've had luck pushing it a bit faster than once a second. Except that you don't know when it starts counting. So do it as soon as you release reset and keep on doing it. abl (used to?) has something that detects keystrokes on the internal UART line. But it needs fifty keystrokes at the right time. I finally wrote a program to read the UART TX to get the timing correct.