ASUS ZenFone Lite L1 ZA551KL Firmware Flash File (Stock ROM)

Do you want to flash the firmware file on ASUS ZenFone Lite L1 (ZA551KL)? then, you are in the right place. In this tutorial, we have shared the firmware files for the ASUS ZenFone Lite L1 ZA551KL and the installation guide.

As we know, Android is one of the highly customizable software and there is a possibility that we may end up in a situation of lag, boot loop, or soft brick. Then, this guide will be helpful. It is always good to keep the ASUS ZenFone Lite L1 firmware file with you in case something went wrong. You can use this firmware file to fix many software-related problems.

If anyone faces problems like Screen freezing, unresponsive Touch, camera fail or boot loop, you can factory reset or flash the latest ASUS ZenFone Lite L1 firmware file.

ASUS ZenFone Lite L1 Stock Firmware Collections [Back to Stock ROM] - ZA551KL

ASUS ZenFone Lite L1 Specifications:

ASUS ZenFone Lite L1 features a 5.45-inches IPS LCD display with a screen resolution of 720 x 1440 pixels.  It is powered by 1.4 GHz Quad-core Qualcomm MSM8937 Snapdragon 430 processor clubbed with 2GB of RAM and brings Adreno 505 graphics. The phone packs 16 GB of internal storage and supports an external memory card with microSD, up to 512 GB. As far as the cameras are concerned, the ZenFone Lite L1 (ZA551KL) packs a 13MP camera on the rear and a 5 MP front shooter for selfies. The ASUS ZenFone Lite L1 (ZA551KL) runs Android 8.0 Oreo and is backed by a 3000 mAh.

The Advantage of Stock Firmware

  • Flash Stock To Unbrick your ASUS ZenFone Lite L1
  • Flash Stock ROM to Fix the bootloop problem
  • Upgrade and Downgrade ASUS ZenFone Lite L1
  • Unroot or Fix Bugs on your phone
  • To fix the lag or stutter on ASUS ZenFone Lite L1
  • By flashing Stock ROM, you can solve software problems.
  • Revert back to stock to gain your warranty.

List of ASUS ZenFone Lite L1 Stock Firmware Collections:

Version Changelog/Details
WW-15.01.1810.115 1.Google security patch update
IN-15.07.1810.24 1.Update Google security patch
2.Improve system stablization
WW-15.00.1810.79 1.Update Google security patch 2018/10/5
2.Update ASUS APK
3.Improve silent mode function
15.07.1810.18 1.Update Google security patch
2. Improve system stabilization

Steps to Install ASUS ZenFone Lite L1 Stock Firmware:

Before installing, make sure to follow the pre-requisite and install the necessary drivers and tools on your PC.


  • Remember: Supported for ASUS ZenFone Lite L1 (ZA551KL)
  • Charge your phone: Before you proceed with the below information, charge your ROG Phone to at least 50%.
  • Laptop or PC: To carry out the second method, you need a PC or Laptop.
  • Take Device Backup: The very first thing to pay attention to is taking the device backup. If you have are not able to take the backup of phone data, however, if you have inserted a memory card in your device, remove it at least to save it.
  • Install Latest Driver: Install the Latest Asus USB Drivers. [For All Android USB Drivers]
  • Download ADB Drivers: For the Second method, you have to download ADB Fastboot drivers
  • Download: Download the below given required files on your PC.

Disclaimer: We are at GetDroidTips will not be responsible for any bricking/damage to your phone while/after installing this ROM.

Instructions to Install on ASUS ZenFone Lite L1:

[su_note note_color=”#fffde3″]Note: Make sure you have followed the steps properly. Don’t Skip and Read! – We are not responsible for any damage that you make to your phone.[/su_note]

Method 1 – Install via Recovery : 

  1. First of all Download the zip file from above link and rename the file to
  2. Now Switch Off your device and reboot into recovery mode by pressing Power button +Volume UP button.
  3. In recovery mode select apply update from sd card.
  4. Now Choose file which you downloaded.
  5. Wait until the installation process completes.
  6. Once the installation process is completed and You can Reboot your ZenFone Max Pro.
  7. That’s it, fellas! Done. you have upgraded your smartphone.

Method 2: Install via ADB Sideload

  1. First of all Download the ADB and Fastboot drivers for Windows and Mac and extract it
  2. Now move the downloaded OTA zip file to ADB Folder
  3. Enable USB Debugging
  4. To Enable USB Debugging, First of all, You need to activate Developer Option on your smartphone.
  5. To activate, Go to your Settings -> About Phone -> Now Tap on the Build Number 7-8 Times until you see a toast message “Developer option enabled”.Root And Install Official TWRP Recovery For
  6. Once your developer option is active, Go back to your settings -> Open developer option -> Enable USB Debugging. 
  7. In your PC/Laptop, Open the extracted ADB Folder and Open Command Window by pressing Shift Key + Right Mouse Click.Root And Install Official TWRP Recovery For
  8. Reboot your phone to recovery by pressing Volume UP + Power button.
  9. Now connect the PC to Mobile with USB Cable.
  10. Now enter the following command in the command window that you open
    adb devices
  11. This command will show if any device is connected properly. If it doesn’t show, then please check the drivers are installed properly or if the attached cable is damaged.
  12. If your device is listed, then please type the below command in your command window.
    adb sideload
  13. Wait until the installation process completes.
  14. Once the installation process is completed and You can Reboot your ZenFone Max Pro.
  15. That’s it, fellas! Done. you have upgraded the Asus ZenFone Max Pro.

I hope you installed the Stock ROM on ASUS ZenFone Lite L1 successfully, Now please rate this website with your comment. We always welcome feedback and improvements.

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