Quote:
Originally Posted by vuanh1408
But the way to enter edl that I quoted is no problem?
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Well, that's what I wrote so I am unanimous in it.
If your device has buttons there is also holding down buttons while it reboots.
A manufacturer can put whatever trickery they like in.
I've seem where you have to tap the top left and top right corners alternately.
I've seen where you have to send more than 50 (but less than 100) VT-100 backspaces to a UART.
They can also remove any shortcuts.
If you're really getting nowhere, you can open the case.
But I've seen both trivially easy and very sneaky EDL test points.