How to Unlock Bootloader of Motorola Photon 4G MB855 – Easy Method

Motorola Photon 4G MB855 is one of the best phones released by Motorola. It has a stunning design and is packed with awesome features.

It doesn’t matter how awesome the device is; you will get bored, or you will get the temptation to upgrade to the latest android.

You need an Unlocked Bootloader to root Motorola Photon 4G MB855 or install custom ROMs.

If you don’t unlock your phone’s bootloader, it will be impossible to root it and install custom ROMs or any other mods. So, you might be wondering, is there any easy way to do it? Well Yes.

In this article, we will show you how to unlock the bootloader of the Motorola Photon 4G MB855.

With the help of this method, you can Root install custom ROMs, kernels, and other mods on your device.

This method is very easy to follow and does not require any technical knowledge.

Sounds good? Let’s dive in.

What is a bootloader?

A bootloader is the first software loaded on your device. After that, the manufacturer usually locks it to ensure that no one else can modify the system without permission.

Bootloaders are responsible for loading the operating system kernel (OS) into memory. If there is an error or the OS is corrupt, a bootloader can help you restore the system to a known good state.

When we say "unlock the bootloader," we mean to unlock the security that prevents us from installing mods in it.

This is done by replacing the existing bootloader with a custom one. This means that your phone will boot any file we want it to, not just the files that are already on your device.

The disadvantage of Unlocking Bootloader

As mentioned earlier, the bootloader is not accessible by the user and thus cannot be tampered with. The bootloader prevents tampering and prevents users from installing third-party apps, such as rooted apps.

For example, if your phone’s bootloader is locked and you forcefully install a custom ROM, your phone will not startup. This will happen because the custom ROM has overridden the boot sequence of the phone.

Not to forget that an unlocked bootloader is a security issue.

Unlocking the bootloader is a good idea only if you want to install custom ROMs, kernels, or other mods on your device.


Unlocking the bootloader of Motorola Photon 4G MB855 is very easy as Motorola itself has developed the method.

However, there are a few things you should be aware of before unlocking the bootloader of your Motorola Photon 4G MB855.

  • After the bootloader is unlocked, your phone will be wiped clean. You will lose all your phones data such as Contacts, Pictures, SMS, Call logs, and more. Make sure to backup everything before you proceed.
  • If you unlock your device’s bootloader, you will lose your warranty, and you will be responsible if things go wrong. And you will also have to take care of the issues you might encounter after doing it.

In any case, you should take the necessary precautions to avoid any such issues.

First, make sure that you have a backup of all your important files.

If you follow this process, you will unlock your device properly.


  1. USB Cable - To connect your phone to the computer.
  2. Computer - To run Fastboot.
  3. Internet Connection - To get Unlock code from Motorola.
  4. Platform Tools - It contains adb drivers and fastboot.
  5. USB Drivers - For Fastboot to recognize your phone.

Please download Platforms Tools from here.

How to Unlock Bootloader of Motorola Photon 4G MB855?

Unlocking Bootloader is typically a long process, but don't worry; This step-by-step guide aims to make it quick and easy for you. By following the official, well-researched method outlined in this guide, you will be able to successfully unlock the bootloader on your Motorola Photon 4G MB855.

Step 1: Enable OEM unlocking and USB debugging

  1. Enable Developer Options - Head over to the Settings App of your phone, scroll down and Tap on "About phone," and then Tap on "Build number" until you see "You are now a Developer" popup.
  2. Now Open Settings > System and Tap on "Advanced" and then Tap on Developer Options.
  3. In Developer Options, enable "OEM unlocking" and "USB debugging."

Step 2: Boot into Fastboot mode and connect your phone Computer

  1. Turn your phone off.
  2. Long press "Volume down" + "Power button" of your Motorola Photon 4G MB855 simultaneously.
  3. Connect your phone to a PC with a USB Cable.
  4. Unzip Platform tools in a folder and then open the folder you unzipped it in.
  5. Type "CMD" in the address bar and then press enter, adb command window will now open. launching fastboot and adb platform tools

Step 3: Get the Unlock code with Fastboot

  1. Type fastboot devices and hit the enter button to check if your phone is connected to Fastboot.
    fastboot devices
  2. Now type fastboot oem get_unlock_data and press enter.
    fastboot oem get_unlock_data
    Motorola Photon 4G MB855 fastboot unlock data
  3. Open Notepad and then copy the numbers after (bootloader) one by one to the Notepad one after another in a single line.

You will get "{Your device does not qualify for bootloader unlocking.}" if you do not enter the Unlock Code in a proper format.

Step 4: Get Unlock key from Motorola’s Website

  1. Open Motorola’s website and then login into your account.
  2. Paste the Unlock code you copied in Step 4 and click on "Can my device be unlocked?". Pasting Motorola Photon 4G MB855 unlock code on Motorola’s Website
  3. Scroll down, click on "I agree," and then click on the "Request Unlock Key" button and then click "OK" on the popup. Requesting Unlock Key from Motorola

Check your inbox for an email from Motorola. You will get the unlock key emailed to the email address you used to sign in to this page. If the email isn’t in your inbox, check the promotions and spam folders.

Step 5: Unlocking Motorola Photon 4G MB855’s bootloader

  1. Open Fastboot and type fastboot devices and hit enter; if you don’t see your device, make sure your device is in the fastboot mode, and the USB cable is connected correctly.
    fastboot devices
  2. Once you see your device, type fastboot unlock and paste the unlock key you received in the email. The command should look like fastboot unlock J5SADASD5423FGWERQ
    fastboot unlock **Paste unlock key**
  3. Once the phone is unlocked, you can disconnect the USB cable and power on your Motorola Photon 4G MB855.

Now your device is unlocked, you can install any mods, ROMs, Kernels, etc.

Frequently Asked Questions

Can you unlock Motorola Photon 4G MB855 bootloader?

Yes, the Motorola Photon 4G MB855 bootloader can be unlocked; we have created a detailed guide that will help you unlock your Motorola Photon 4G MB855 bootloader.

Can I lock an unlocked Motorola Photon 4G MB855 bootloader?

Yes, you can lock the bootloader again but keep in mind that doing so will not restore the warranty from Motorola.

Can I unlock the Motorola Photon 4G MB855 bootloader without losing data?

Earlier it was possible to unlock a bootloader without losing data with a trick, but the trick has been patched and does not work anymore, so now there is no way to do so.

Can I unlock Motorola Photon 4G MB855 bootloader without PC?

No, the Motorola Photon 4G MB855 bootloader requires adb tools, which run on Windows and Mac; hence it is impossible to unlock the bootloader without a PC.


We have now come to the end of this article. I hope you liked this article and learned a few things.

If you have any questions or want to share any other information, you can comment below. You can also ask any questions that you want to know about the device in the comments section. We will be glad to answer your questions.

Do you know any other method to unlock the bootloader of Motorola Photon 4G MB855? If so, share it with us in the comments section.

Leave a Reply

Your email address will not be published. Required fields are marked *