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Unlock Bootloader of your Lava Z91 (2GB) using ADB Fastboot

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Lava is the most popular brand in the world, the company announced their latest Z91 (2GB) smartphone.
Lava Z91 (2GB) smartphone comes with 16GB internal memory with 2GB RAM.
The device is powered by Android 7.1 (Nougat) operating system, that runs on GSM / HSPA / LTE technology. It was announced on 10 July 2018 and release date of the device is 15 July 2018.
The Dimensions of the smartphone is 152 x 72.9 x 7.7 mm (5.98 x 2.87 x 0.30 in) and weight is 147 g (5.19 oz). The latest device is Dual SIM supported.
Z91 (2GB) display screen size is 5.7 inches, 83.8 cm2 (~75.7% screen-to-body ratio) and resolution of the device is 720 x 1440 pixels, 18:9 ratio (~282 ppi density).

The latest smartphone is powered by Mediatek MT6739 (28 nm) and device has powerful CPU such as Quad-core 1.3 GHz Cortex-A53, with PowerVR GE8100 GPU is also awesome.
The Rear Camera of the smartphone is 13 Megapixels , f/2.0, 1.12µm, AF Dual-LED flash, panorama, HDR , while Selfie Camera is 8 Megapixels , f/2.0, 1.12µm LED flash. Everyone want to need maximum selfie camera for pictures.

Unlock Bootloader on Z91 (2GB) Using ADB Fastboot

No doubt that today we will help you that how to unlock the bootloader on Lava Z91 (2GB). Unlocking bootloader is a void that will effect on your device warranty. So we will not force you, do it on your own risk. Today we will guide you if would you like to install TWRP Recovery and if you want to root your smartphone. You must unlock the bootloader on your Lava Z91 (2GB). The following steps will help you to unlock the bootloader.
A bootloader is a software piece, it will automatically run on your Lava Z91 (2GB). Moreover, it is most important to have a functionality bootloader that starts up your device. That why bootloaders are stored in a stable memory away from your device reach. But don’t worry we are here to provide you some methods and solution for your Lava Z91 (2GB). We hope that these methods can help you to unlock bootloader your device. However, we highly recommend you to follow the steps very carefully step by step to avoid any permanent damage caused to your device.
You can void your warranty.
There will be issues with official OTA updates.
Moreover, you can brick your device or stuck in a boot loop if you do not follow the steps to unlock the bootloader carefully.
But, there are certain advantages once, you have unlocked the bootloader of your device;
You can install any custom ROM such as Lineage OS, Resurrection Remix ROM, and much more… You can root your Lava Z91 (2GB) smartphone.

Basic Requirements

You need a Windows Laptop/PC
Make sure that your device is charged more then 60% or your smartphone must be charge up to 60 percent.
Before we begin the unlocking of bootloader, we would strongly recommend you to create a backup of your device.
This is the method only for Z91 (2GB) and you can for any other smartphone.
Steps to Unlock Bootloader of Z91 (2GB)
As you know that we already mentioned above, you need to have an unlocked bootloader and you may install custom ROMs, restricted apps, on your device.
You should follow the below steps to unlock the bootloader of your device;

01: Enable Developer Options:
Go to Settings>> About device. Tap 7 times on Build number to enable Developer options.
02: Now, go back to the Developer Options.
03: Enable OEM Unlock.
To enable it, go to Settings>>Developer options>> Enable OEM Unlock
04: Turn OFF your device completely.
05: Download and set-up the ADB and Fastboot tools on our PC.
06: Now, you need to connect your smartphone to the PC via a USB cable.
07: Wait until all the USB Drivers get installed on your PC.
08: Now, head to the same folder where you have extracted the contents of the ADB and Fastboot tools, and open the CMD or command prompt.
09: Now, in the command prompt, enter the below command and press the Enter button on your keyboard;
adb devices
10: The above command will show whether your device is detected by the PC and all the Fastboot drivers are installed correctly or not;
The output would be like: List of devices attached device (If your device’s serial number is listed in the list of connected devices then, you are good to go ahead. But, if your device’s serial number is not listed on the list then, you need to install all the drivers again)
11: Type the below command to enter the bootloader mode, and press Enter;
adb reboot bootloader
12: Now, enter the below command to unlock the bootloader of the Z91 (2GB) device. Keep in mind that this step will wipe off the data on your smartphone;
fastboot flashing unlock
13: Your device will now ask you to confirm. You can confirm using the Volume buttons
14: Your device will now reboot.
15: That’s it! You have successfully unlocked the bootloader of the Z91 (2GB) smartphone.
You can now go ahead and root your device and install various MODs, custom ROMs or modify the firmware of your device.

We hope that you have read all of the above steps carefully and now you can now go ahead and root your device and install various MODs, custom ROMs or modify the firmware of your device.

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NOTE: Before we begin with the unlocking of bootloader, I would strongly recommend you to create a backup of your device. If anything goes wrong the author or getdroidpro.com are not responsible for it.

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