Here you can learn many more interesting and useful about USB bootloaders for AVR microcontrollers. In practice, one of the most proper microcontroller programming method is using a bootloader program ...

Sony has released a tutorial on how users can unlock the boot loaders of Xperia devices, which would allow them to install custom ROMs.

The team of developers uploaded a video tutorial explaining step-by-step the process to unlock Verizon Galaxy Note 2 bootloader.

Those looking to flash such modifications can follow this tutorial. In addition to unlock, users can also re-lock the bootloader in order to regain the device's warranty.