LAVA Z21 LZG402 Flash File, Firmware, Stock Rom Download

On this page, we will show you how to Download the LAVA Z21 LZG402 Flash file. This smartphone runs Android 10.0 and is powered by CPU Unisoc Screadtrum SC9863. This article will help you with any software problem with your device. Improve the hanging logo, boot loop problem, dead problem, automatic fast boot mode and recovery mode, and other software problems with LAVA Z21 LZG402.

LAVA Z21 LZG402 Flash File
LAVA LZG402 Firmware

The Lava LZG402 Firmware File has been tested on our site. in this article, I can help you fix software problems with the LAVA LZG402 smartphone. If you read this article, you will learn all the steps to download and install Flash Files (Firmware) on your mobile.

What is Stock ROM

Stock ROM runs your Android device operating system. The body of your device is this Firmware, if you have a hard brick problem after Flashing from your LAVA Z21device, that most common problem, don’t worry, install this firmware on your device for all your problems, most devices get bricks hard because of the carelessness of some users,

Why Need LZG402 Firmware

Here are the reasons you must download and save the LAVA Fash File on your personal computer.

  • If your device dies, you can dismantle using the stock file
  • You can repair your IMEI on a mobile
  • Remove any malware from LAVA Z21 LZG402
  • You can solve a boot loop
  • Application improvement has stopped causing error
  • Fix network-related problems
  • Patch Boot Image for Root Using Magazines
  • You can remove Root 
  • To delete FRP from your device
  • Repair to the factory country

LAVA Z21Firmware Information

File Namezip
Rom OS VersionAndroid 11
Network Support4G
Processor Octa-core Processor
Software neededSP Flash Tool

Download LAVA Z21 LZG402 Flash File

Support ForLink
you tubeKabal Khajaliya


  • Devices supported: LAVA Z21 LZG402
  • Be sure to charge your device more than 50%
  • You need a PC or laptop with a USB cable
  • Download the complete backup of your Android phone
  • Download All USB Drivers and Flash Tools

How to Flash any Android Phone with Flash File

  • Find the name of your model LAVA LZG402 Flash File
  • Check your Android version now running
  • Check your Android phone model/processor model such as MTK, SPD, QC, etc.,
  • Download the USB driver by the CPU from your mobile.
  • Download the Flash Tool by the CPU / processor model such as the SPFlash Tool for MediaTek, SPD Tool for Spreadtrum, and QC Tool for Qualcomm Processor.
  • Download the file unzip or extract it quickly by WinRAR or ZIP on your computer
  • Open your compatible version of your mobile version
  • Place your cellular recovery mode or flash mode by vol + and resist volumes and press the power button
  • Connect with a PC with a USB cable
  • Select your flash file model that is the same as downloaded
  • Click to start flashing your mobile.

How To Backup Your Important Data?

Initially connect your mobile device with a PC or laptop OK. Now you can choose MTP [media transfer protocol]. And then copy your device information and save it on a PC or laptop. For more details click here

Please back up your data before upgrading to Android. If you want to downgrade your device’s software version to Android Lower Version by an official software package, it may erase all data from your device be sure to back up your important data before Updating!

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