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(You can use only Volume- to scroll, pressing Volume+ will select the current highlighted option) Press Volume- to scroll down to AP Fastboot and press Volume+ to select the option.Press Volume- and Volume+ keys and press Power key, hold them until you see a list.A fully charged Droid RAZR (or at least 80% of battery).Carefully choose your version and your device(XT910/912): Source 1 Source 2 Source 3(Jellybean) Download fastboot files for your Droid RAZR from following XDA posts.A software called RSD Lite which is used to flash multiple Motorola devices with multiple flashing methods.See our detailed guide to setup ADB properly: Link.You must have setup ADB properly on your PC.We don’t take any responsibility if anything happens to your device. If you fail to follow any of the instructions properly, you could permanently brick your device. This procedure has been verified to work, and you will be flashing your complete internal memory, including the internal storage. If you have upgraded your device from Gingerbread to ICS, then you must flash ICS fastboot files or if you have recently upgraded your device to Jellybean via OTA then you must flash Jellybean fastboot files. Don’t try doing it or you might risk bricking your device. Note that Motorola Droid RAZR has a permanent locked bootloader and due to this, it cannot be downgraded to a lower version of Android. Fastboot files are the stock firmwares leaked from Motorola which will make your device restore back to the factory condition. You should consider your device as not booting if: it’s stuck at Motorola logo, or if the boot animation is playing longer than expected, or if your device is vibrating constantly after some intervals. There is a way to recover your device by flashing fastboot files. If you own one of this famous device, and ever you get in a situation where your device stucks while booting, don’t panic.
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