UART logs

in order to get uart logs :

you need :

htc pyramid device of course

usb to uart converter

lot of time and patiency

linux with the minicom tool

tools to unscrew and disassembly the device

process :

1. save the content of your device

2. power it off

3. disassembly it

4. unplug the screen (it's not possible to reach the uart pinout with the screen connected

5. connect the usb/uart converter in USB to the computer

6. connect the GND from converter, to a piece of metal (the one covering the microsdcard slot, for example

7. connect the RX from the converter, to the “purple” mark, among the pinout of the PCB (see picture)

8. in linux, just open minicom -d /dev/ttyUSB0

9. UART logs should appear

example of UART log (to be completed)

s-off process

s-off to fill

LK2ND

this device can run LK2ND by usb output, it doesnt brings screen output.

/!\ lk2nd can not run if the device is in s-on /!

lk2nd's watchdog deactived is required to get lk2nd not rebooting