How do I find the OEM-specific fastboot commands for my device?

Dec 11, 2020 ... My Amazon fire HD8 is showing only => fastboot mode and has no other functions working even on/off. Does any one have any ideas on how to get it working again? We'll start by hard restarting your Fire tablet, please and hold the power button down for 40 seconds until the Fire tablet shuts down completely. Simply press and hold the power button on the Kindle for 40 FULL seconds, then release and wait a full minute for it to reboot. Oct 27, 2022 ... The device is stuck in fastboot mode (flashing 3 LEDs followed by 2 LEDs). I tried hard reset (hold power button for 20+ seconds) but it is still in fastboot ... Tap “Select Boot Mode” to view the following options: “Recovery Mode,” “Fastboot Mode,” and “Normal Boot.” Use the volume up button to navigate and the ... May 22, 2014 ... It's now stuck in "Enter into fastboot mode You can press POWER key for more than 10 seconds to reboot device" Jan 28, 2023 ... The Fairphone 4 (FP4) gives you the freedom to unlock your bootloader. Opening the bootloader allows you to install an alternative custom operating system (ROM ... Oct 8, 2018 ... The tablet does not stay in modod fastboot, spend 10-20 seconds and it goes off again, when connecting to the computer everything is fine. Oct 5, 2015 ... DNX Fastboot MODE.. 1hour shown bt till now not started... now i do what? This thread is locked. You can vote as helpful ... Aug 15, 2016 ... For Ubuntu 24.04, check the grub menu choices, one of them should be "UEFI Firmware Settings". This boot choice will bring you to the UEFI ...