Bootloader Mode HTC One M9 - hardreset.info



Bootloader is a set of codes which is executed every time an operating system begins to run. It instructs the system kernel to boot normally. The bootloader is usually locked by the manufacturers to prevent the users from changing the version of the operating system which is specially designed for the particular device.
More info:
http://www.hardreset.info/devices/htc/htc-one-m9/

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