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PW3 Need Help! Navigate the Diag mode over Serial console

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Hi. During doing some research on the Diag mode of Kindle Paperwhite 3, I try to test the MAD TEST under the Mics Individual diagnostics menu which laterly corrupts the touch driver, unfortunately. :(
When I try to re access this test mode with my touchscreen not responsible to figure out what happended via serial console as below, I cannot access by typing 'o':
diag> MUSCAT_WFO - System Diags - 100
Code:

  ~~~~  1.1.40.329941  ~~~~
    pcbId:0670709182970F82
(DS INFO)-Device Setting
(TOUCH PLATE)-Touch Plate Test
(OTS)-Operator test suite
(o)-Misc individual diagnostics
(WIFI NART)-nART factory test
(USB EXPORT)-USB device mode
(o)-Reboot or Disable Diags
(POWER SUSPEND)-Lock screen
(X)-Exit
diag>  O: command not found!

Does anyone know how to access the Mics individual diagnostics menu or how to fix the touch firmware corruption as information below:

Code:

ds info
get_input_from_stdin Received [DS INFO]
diag>  MUSCAT_WFO - DS INFO -  51
  ~~~~  1.1.40.329941  ~~~~
    pcbId:0670709182970F82

  Serial Number      :
  PCBA ID            :0670709182970F82
  MAC Address        :B0FC0DCC8D0B
  Manufacturing Code :D0B50D1RXWQJH6BU543C

  VCOM Setting      :-1.87 Volts
  Touch FW version  :Invalid

  EINK Panel ID      :
    E85559D61G060151GEN60F2006037732A

  Waveform version :
    09_09_0088_3c_3c7831_00_04_00001259_85
(X)-Exit


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