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Unlocking the bootloader allows installing and running unsigned code on a device, including user customized software. Operating outside the manufacturer specification might usually result in voiding any warranties and may make the device susceptible to data theft, as the integrity of the operating system (as intended by the manufacturer) can no longer be guaranteed. [1]
flashing lock/oem lock *** – locks an OEM unlocked bootloader. erase – erases a specific partition. reboot – reboots the device into either the main operating system, the system recovery partition or back into its boot loader. devices – displays a list of all devices (with the serial number) connected to the host computer.
Some custom ROMs come with TWRP as the default recovery image. TWRP gives users the option to fully back up their device (including bootloader, system data, private applications, etc.) to revert to at any time, and a built-in file manager to delete files that may be causing problems on the device or add some to fix issues.
The boot loader on the option ROM would attempt to boot from a disk, network, or other boot program source attached to or installed on the adapter card; if that boot attempt failed, it would pass control to the previous boot loader (to which INT 19h pointed before the option ROM hooked it), allowing the system to boot from another device as a ...
Rooting allows the user to obtain privileged access to a phone. It does not allow a user to install a new OS (custom firmware or custom ROM) or recovery image, and it doesn't allow a phone that is locked to a certain carrier to be used on another one. Related operations allow these.
A bootloader, also spelled as boot loader [1] [2] or called bootstrap loader, is a computer program that is responsible for booting a computer and booting an operating system. If it also provides an interactive menu with multiple boot choices then it's often called a boot manager .
The boot ROMs of several Texas Instruments systems on a chip support configuring the peripherals through specific pins of the system on a chip. They have many ways to load the first stage bootloader (which is called MLO in the systems on a chip reference manuals): It can be loaded from various storage devices (MMC/SD/eMMC, NAND, etc.).
Das U-Boot (subtitled "the Universal Boot Loader" and often shortened to U-Boot; see History for more about the name) is an open-source boot loader used in embedded devices to perform various low-level hardware initialization tasks and boot the device's operating system kernel.