Take screenshot on Firefox OS:

To take a screenshot on Firefox OS (B2G) using a Terminal:

  1. adb shell screencap -p /sdcard/screenshot.png
  2. Transfer it to you're PC: adb pull /sdcard/screenshot.png
  3. Delete old screenshot on you're device: adb shell rm /sdcard/screenshot.png

Phone button combination:

On Firefox OS version 2.1 and beyond, simultaneously hold down the Volume Down and Power buttons for a few seconds.

Source | Date: Summer 2025





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