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How To : Sim Unlock Sprint Essential Phone (FREE)

How To : Sim Unlock Sprint Essential Phone (FREE)

Do you have a Sprint Essential phone and want to sim unlock it? And, you want it done for Free? Well, need not worry, we got you covered. In this post we are going to tell you how to sim unlock Sprint Essential Phone for free. Do note, we are not responsible for any bricked devices, and/or voided warranties.

Sim Unlock Sprint Essential Phone

How To : Sim Unlock Sprint Essential Phone (FREE)

Warning

We are not responsible for any bricked devices. You are doing this at your own risk. 

Make sure your Essential Phone is charged 70-80 percent.

Your data will be wiped, so make sure you have backed it up.

Pre-Requisites

Ensure you have enabled USB debugging and OEM unlock. To do so, Navigate to Settings -> About on your Essential Phone and tap on build number seven times. Once you see a message saying “Your are now a developer” go back to Settings and you will see an option called Developer Options.

Open developer options and enable USB debugging and OEM Unlock.

Make sure adb and fastboot are setup on your computer (Windows, Mac or Linux) and working. Click the link below to learn how to setup adb and fastboot on Windows, Mac and Linux.

How to Setup ADB and Fastboot

Windows users need to download and install Essential Phone drivers. Mac and Linux users do not need drivers. Click the link below to download Essential phone drivers.

Download Essential Phone drivers for Windows

Download Essential Phone build NMK24B zip file. Unzip the file, and place the contents in platform-tools folder. Make sure all the files are in the platform-tools folder, not the folder (if it unzips as a folder). Click the below links to download the same.

NMK24B Build (Mirror)

Download Essential Phone Android 8.1 Oreo beta zip file. Rename the zip file to PH1-Oreo-Beta.zip and place it in platform-tools folder. Do not unzip the file. Click the below links to download the same.

Android 8.1 Oreo Beta (Mirror)

How To : Sim Unlock Sprint Essential Phone (FREE)

Step 1 – Boot into fastboot mode

Boot into fastboot mode while device is on :-

  1. Connect Essential Phone to computer using usb cable.
  2. Open command prompt (for Windows) or Terminal (for Mac and Linux).
  3. Navigate to platform-tools folder and issue below command.

Windows

adb reboot bootloader

Mac or Linux

./adb reboot bootloader

Step 2 – Check Device in Fastboot Mode

Issue below command to check if Essential phone is recognized in fastboot mode or not.

Windows

fastboot devices

Mac or Linux

./fastboot devices

If you see your Essential phone listed, then you are good. If device is not listed then either drivers are not working, or fastboot/adb was not setup correctly. Double check the pre-requisites section.

Step 3 – Unlock Bootloader Essential Phone

Issue below command to unlock the bootloader.

Windows

fastboot flashing unlock

Mac or Linux

./fastboot flashing unlock

You will now get a warning on your Essential phone to confirm the bootloader unlock. Follow the instructions on screen and you are good to go. Once the phone boots up into Android, ensure you have enabled USB debugging and OEM unlock. To do so, Navigate to Settings -> About on your Essential Phone and tap on build number seven times. Once you see a message saying “Your are now a developer” go back to Settings and you will see an option called Developer Options.  Open developer options and enable USB debugging and OEM Unlock.

Step 4 – Flashing Unlock

Repeat Step 1 to boot into fastboot mode. Once in fastboot mode issue below commands.

Windows

fastboot flashing unlock_critical

Mac or Linux

./fastboot flashing unlock_critical

Once the phone boots up into Android, ensure you have enabled USB debugging and OEM unlock. To do so, Navigate to Settings -> About on your Essential Phone and tap on build number seven times. Once you see a message saying “Your are now a developer” go back to Settings and you will see an option called Developer Options.  Open developer options and enable USB debugging and OEM Unlock.

Step 5 – Flash NMK24B build

Repeat Step 1 to boot into fastboot mode. Once in fastboot mode issue below commands.

Windows

flashall.bat

Mac or Linux

./flashall.sh

At this point we have flashed the NMB24B build.
Once the phone boots up into Android, ensure you have enabled USB debugging and OEM unlock. To do so, Navigate to Settings -> About on your Essential Phone and tap on build number seven times. Once you see a message saying “Your are now a developer” go back to Settings and you will see an option called Developer Options.  Open developer options and enable USB debugging and OEM Unlock.

Step 6 – Sideload Android Oreo 8.1 Beta

Power off Essential Phone. Hold down the Volume Up + Power button simultaneously. When the “No command” screen appears, hold the Power button and tap the Volume Up key once.

Essential phone should now be in the stock recovery. Connect your phone to the PC using the USB cable. Use the Volume keys to highlight the “Apply update from ADB” option and press the power button to select it.

Next issue below commands.

Windows

adb sideload PH1-Oreo-Beta.zip

Mac or Linux

./adb sideload PH1-Oreo-Beta.zip

Once sideloading process finsihes select Reboot system now.

That’s it peeps! We have successfully sim unlocked Sprint Essential Phone.

 

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