Lava Iris 821 Bootloader Unlocking Method

Lava Iris 821 Bootloader Unlocking Method

Unlocking bootloader is the first step towards developing your android device. It allows your to flash TWRP in your  Lava Iris 821. In simple terms Unlocking your Android phone’s bootloader is the first step to install/flash twrp or rooting and flashing custom ROMs. You can unlock Lava Iris 821 devices with this bootloader unlocking method.


Lava Iris 821 Bootloader Unlocking Method

Bootloader Unlocking Method Featured image

Bootloader Unlocking Method


Device Info

Device Name :  Lava Iris 821

OS Version : Android Marshmallow v6.0.1

Chipset : MediaTek – MT6580



Modification of your android device such as Rooting or flashing Custom Recovery/ROM/tweaker’s results to void of the warranty of the device. (We) RaphsonBD and its authors will not responsible for bricked devices / dead SD-card or any damage in your device which is incurred in the process of installing tweaker/ recovery / rom / firmware / rooting / unlocking or any development process the device. We highly advice you to take a backup of your device prior to performing the process. Please do some research if you have any concerns about features included in this ROM, before flashing it! You are choosing to make these modifications. Nevertheless if you need any help, just comments here. We will always pleased to help you.


Useful Link



  • Make sure you have enough battery juice
  • Enable developer Option (go to Settings > About phone > Build number and tap seven times on it.  You will get a message on your screen that “you are now a developer”. Then you have successfully enabled developer option on your Huawei Ascend Phone.
  • Enable USB debugging and Enable OEM Unlocking from developer option
  • ADB and Fastboot must be installed on the computer. If ADB & Fastboot not installed try this > How to Install ADB Drivers in Your Computer (Windows 7, 8.0, 8.1, 10)
  • A USB Cable and PC.


How To Unlock Bootloader Of Lava Iris 821

  • First of all install the ADB driver in your PC. If your need help then visit the link which was given in requirement section
  • Then go to “ADB & Fastboot Drivers” Folder & Write “cmd” & Hit Enter Key & Get cmd Windows.
  • Now Type “adb reboot bootloader” & Hit Enter Key. Now You Can See Command Prompt & You Can Get Your Device List.
adb reboot bootloader
  • Now Type “fastboot oem unlock” & Hit Enter. Now Your Device Reboot To Bootloader/Fastboot.
fastboot oem unlock
  • Now Type “fastboot reboot” & Hit Enter Key. Now Wait For Your Device Detection.
fastboot reboot
  • Your Android Devices Will Then Ask if You Want To Unlock. Using the volume keys, highlight “Yes” and then press the power button to select it. Your bootloader will now be unlocked.
  • Now factory reset and click reboot. You are now operating with an unlocked bootloader Lava Iris 821 .



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