How to Install Stock ROM on Lava Z3 LMX04, LZG403

In this tutorial, we will guide you on how to install the firmware flash file on Lava Z3 LMX04, LZG403. The device came out of the box with Android 10.0 and...

Abd Razaaq

Last updated on August 9, 2023

Abd Razaaq

Author

I'm a Tech Content Writer and Full-Time blogger. Since I love Android and Google's device, I started my career in writing for Android OS and their features. This led me to start "GetDroidTips". I have completed Master of Business Administration at Mangalore University, Karnataka.

In this tutorial, we will guide you on how to install the firmware flash file on Lava Z3 LMX04, LZG403. The device came out of the box with Android 10.0 and was powered by MediaTek MT6765 SoC. If you are someone who is looking to fix your device’s common issues like boot loop, remove pattern lock, bypass FRP lock, repair IMEI, or extracting DA (download agent) file, then this guide is for you.

To install the firmware flash file on Lava Z3, you need to download the software called SP Flash tool (also known as Smartphone flash tool). This method simple and easy. We have also added videos and a step-by-step tutorial to make things easier to flash the firmware file.

Lava Z3

Advantages of Stock ROM:

Here are the answers to why you need to download and save the Lava Z3 Stock ROM flash file on your computer.

If your device is dead, you can unbrick using the Stock ROM file
You can fix or repair the IMEI on your device using DB files from Stock ROM
Remove any malware or Adwares from Lava Z3
You can fix the boot loop issue on Lava Z3
Fix Unfortunately, the app has stopped errors on Lava Z3
Fix Network related issue
Patch Boot image to Root using Magisk: Mediatek Guide or Spreadtrum Guide
You can unroot Lava Z3
To Reset or Remove FRP on your device: Mediatek FRP Guide or Spreadtrum FRP Guide
Restore Lava Z3 back to Factory State
Bypass Pattern lock on your device

How to Flash Lava Z3 Firmware File

Before installing the Stock ROM on your Lava Z3, you should download the firmware flash file. Then download and install the USB Drivers and flash tool on the PC as well. Once you’re done with these, you can proceed to the steps below. But let’s take a quick look at the Stock Firmware importance and firmware details below.

Pre-Requirements:

Supported device: Lava Z3
Make sure to charge your device more than 50%
You need a PC or Laptop with a USB cable.
Take a complete backup of your android phone
Download Drivers and Tools: VCOM drivers, SP Flash Tool, and Lava USB Drivers

Download Flash Files

Software Details	Download Link
Flash File Name: Lava_Z3_LMX04_MT6765_SW_V06_HW_V2.0_20210129 File Size: 1.6 GB OS Version: Android 10	Download Link
Flash File Name: Lava_Z3_LZG403_SW_V17_HW_V2.0_20230406 File Size: 1.6 GB OS Version: Android 10	Download Link

Instructions to Install: via SP Flash tool

Disclaimer:

GetDroidTips will not be responsible for any kind of hardware or software damage to your device while or after you follow this guide. Install non-official firmware on your device at your own risk.