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| Steps to Obtain Logs from CCU with one of the below two options

Incase a bug or unexpected behavior in a particular deployed setup is viewed on a CCU, in order to help development teams to resolve these on-field observed issues, capturing logs will assist in faster resolution . The captured logs will need to be passed on to engineering teams along with captured videos in the bugs raised.

Capturing Logs to SD-Card [without PC]

  • CCU hosts a hidden Engineering/debug Menu. It can be launched by long-pressing (3 seconds or more) the 75F logo.



Capture Logs to SD-Card
  • This option could be used to instantly collect android logs to SDCard when a bug is observed in the field.
  • This does not require a PC with adb connection and avoids the logs being lost due to delay when android logging rotates the internal circular buffer.
  • And all the files together can be later pulled or sent to an email from the tablet.

Capturing adb logs with USB connection to the device:

Connection and Running of Commands

  • Connect the device using USB
  • Open command prompt (location: wherever user wants to save the log files)
  • Run “adb devices”
  • >List of devices attached
  • >0123456789ABCDEF device
  • adb -s 0123456789ABCDEF logcat -v threadtime > file1.txt
    or adb logcat -v threadtime > file.txt
  • If there is only one device connected to the pc.,
  • We can simply use "adb logcat -v threadtime > file.txt" for log capturing
  • -s <device iD> is required when there are multiple tablets connected to the PC and you want to run logcat on one of them.


  • Command to Stop the log capture:
  • Press Ctrl+C
  • Check the file.txt log file created






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