Motorola RAZR M is not initially supplied with the unlocked bootloader due to which you always have to view the same at the start screen, but now for those who are in line to let the change of RAZR M start screen have a good news that they can unlock the boatloader. Although the risk is involved as you will see the warning message at the start screen at the time of unlocking bootloader.
Thanks to the XDA Member jimmydafish who has posted the details on how to unlock the bootloader in RAZR M. Right after unlocking bootloader you will be viewing old original Motorola logo but you are not limited and use any image of your choice by which you will get your own start up screen.
This is one of a simplest process you need to do no extra work rather creating your eye loving image in a correct size and format after that you need to flash your device by using fastboot. How to perform this simple operation in detail please view the original thread.
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