How To Flash Lenovo Z6 L78121 Firmware Stock ROM

Lenovo Z6 L78121 Firmware


Welcome To All In One Thread For Lenovo Z6 L78121 in this post I will share all kind of Lenovo Z6 L78121 Firmware With you. like Ota software update Fastboot Rom And QFIL Flash Tool. So keep in touch and stay updated with your Lenovo Z6 L78121 software upgrade.


How To Flash Lenovo Z6 L78121 Firmware Stock ROM

Lenovo Z6 L78121 Firmware is the software which is provided by the vendor, or You may say that the software. Which was installed by the manufacturer of the phone is Stock Rom.

The other type of the Rom is Custom Rom which advance users installed after flashing it as per they desire. Flashing a stock Firmware means installing the system image into the device’s internal flash memory.

Flash memory holds Android’s firmware. The same as most other portable devices with an embedded OS.

The Benefit Of Lenovo Z6 L78121 Stock Firmware:

Keep the warranty. Lenovo Z6 L78121 Stock ROMs would not void your warranty of Android devices. One of the biggest reasons why users don’t go for the custom ROMs is that rooting will immediately void your warranty. Installing a custom ROM needs to get root access. Most of the Manufacturers prohibit rooting or installing a custom Android version.

Pre-installed apps. Lenovo Z6 L78121 devices with stock ROMs usually come with lots of pre-installed apps. These apps sometimes are good enough to attract customers such as music players, live wallpapers, app store, calendar, weather, and so on. However, these pre-installed apps sometimes are seldom used by users which are called bloatware. In that, this advantage may turn into a disadvantage.

Premium Features. Just like the pre-installed apps, Lenovo Z6 L78121 Stock ROMs also come with lots of premium features which are not available in custom ROMs. These features include a home screen, font, launcher, or app drawer. Devices developed by different manufacturers shipped different premium features and apps.

Lenovo Z6 L78121 Stock Firmware Details:

  • Gapps File: Included
  • Device Supported: Lenovo Z6 L78121
  • Tool Supported: QFIL QPST
  • Processor: Qualcomm

Download  Lenovo Z6 L78121 Flash File:

Pre-requirements to Install Lenovo Z6 L78121 Stock ROM:

  • Supported Phone: Lenovo Z6 L78121
  • Charge your mobile: You may no less than a half charge.
  • Laptop or PC: To execute this installation, you must use a PC or Laptop.

Take Lenovo Z6 L78121 Backup:

Before going to install Lenovo Z6 L78121 stock ROM, you need to take all your messages, photos, and apps from your current smartphone. This requires a backup that you then restore on your device after flashing firmware.

Most smartphones automatically make a backup in the background, in case something happens. But to make sure you take everything to your new device, you need a full backup.

How To Backup Android Phone Before Flashing Stock Firmware

Lenovo Z6 L78121 Flash Tool And Drivers:

We will use Qualcomm QPST to unbrick the Lenovo Z6 L78121. This tool is very efficient. Follow the step by step procedure to use One Click Unbrick Tool and unbrick your Lenovo Z6 L78121.


  • Please read and understand the Full Guide Before Flashing Lenovo Z6 L78121 Stock ROM.
  • Use these instructions at your own risk. We will not be responsible for everything that happens to you or your device, resulting from the use of information in this guide.
  • Make sure that the USB drivers for your device are installed on the computer.
  • Your smartphone must have a 70–80% charge.
  • Make a backup copy of important data such as call logs, SMS, and other data, it is to if something goes wrong, your data is not affected.

Instructions to Install Lenovo Z6 L78121 Stock ROM:

1. Download and install the Driver and Tool above. Then turn on the tool.

2. Turn off the phone (Remove the battery if possible, then insert the battery again), hold up the VOLUME KEY and plug in the USB cable to connect to the computer.

3. On the tool, select the files, in turn, select the files in the ROM folder.

4. After clicking Download, wait for the flash process to finish, the time is about 5-10

Follow Detailed Instruction Lenovo Z6 L78121 Firmware Flashing With Qualcomm QPST.