Here you can download the latest official Stock ROM (Firmware) files for the Stock / raw rom for Asus Zenfone 3 Deluxe ZS550KL. These files are essential for repairing software issues, fixing bootloops, upgrading/downgrading the OS, or restoring your device to its factory state.
| Display | – |
| Processor | – |
| Memory | – |
| Operating System | Stock Android (version varies by device) |
| Battery | – |
Prerequisites & Preparation
- Backup Data: Flashing will completely wipe all data on your device. Back up important files and settings before proceeding.
- Battery Level: Ensure your device has at least 50% battery to prevent shutdown during the flashing process.
- USB Driver & Tools: Install the correct USB drivers for your brand and prepare the flashing tool (Odin for Samsung, SP Flash Tool/QPST for Qualcomm/MTK, etc.).
CAUTION: Flashing official firmware carries a risk of bricking your device. Proceed with caution and at your own risk. addROM is not responsible for any damage caused to your device.
Download Stock ROM & Firmware
Global / General
| File Type | Firmware / Build | Region / Model | OS Version | Download Link |
|---|---|---|---|---|
| Stock ROM | WW__ZS550KL_80.30.123.118_MR1_20181102040627_release-user.raw.zip | Global / General | – | Google Drive | AFH | OneDrive | Google Drive |
| Stock ROM | ZS550KL | Global / General | – | Google Drive | AFH | OneDrive | DropBox |
| Stock ROM | CN_ZS550KL-10.40.23.52-MP-user-20160914022503-release.zip | Global / General | – | Google Drive | AFH | OneDrive | DropBox |
| Stock ROM | ZS550KL-12.40.108.29-MR2-user-20161224163554-release | Global / General | – | Google Drive | AFH | OneDrive | DropBox |
| Stock ROM | ZS550KL | Global / General | – | Google Drive | AFH | OneDrive | DropBox |
| Stock ROM | ZS550KL | Global / General | – | Google Drive | AFH | OneDrive | DropBox |
| Stock ROM | ZS550KL | Global / General | – | Google Drive | AFH | OneDrive | DropBox |
| Stock ROM | ZS550KL | Global / General | – | Google Drive | AFH | OneDrive | DropBox |
| Stock ROM | user | Global / General | – | Google Drive | AFH | OneDrive | DropBox |
| Stock ROM | 20181102050956 | Global / General | – | Google Drive | AFH | OneDrive | DropBox |
| Stock ROM | 20180730111940 | Global / General | – | Google Drive | AFH | OneDrive | DropBox |
| Stock ROM | JP_ZS550KL-10.40.23.52-MP-user-20160913234947-release.zip | Global / General | – | Google Drive | AFH | OneDrive | DropBox |
| Stock ROM | ZS550KL-12.40.108.29-MR2-user-20161224163233-release | Global / General | – | Google Drive | AFH | OneDrive | DropBox |
| Stock ROM | JP_ZS550KL-24.40.140.33-MR5-user-20170601113316-release-1.zip | Global / General | – | Google Drive | AFH | OneDrive | DropBox |
| Stock ROM | JP_ZS550KL-24.40.140.54-MR5.1-user-20170801120021-release.zip | Global / General | – | Google Drive | AFH | OneDrive | DropBox |
| Stock ROM | ZS550KL | Global / General | – | Google Drive | AFH | OneDrive | DropBox |
| Stock ROM | ZS550KL | Global / General | – | Google Drive | AFH | OneDrive | DropBox |
| Stock ROM | ZS550KL | Global / General | – | Google Drive | AFH | OneDrive | DropBox |
| Stock ROM | ZS550KL | Global / General | – | Google Drive | AFH | OneDrive | DropBox |
| Stock ROM | ZS550KL | Global / General | – | Google Drive | AFH | OneDrive | DropBox |
| Stock ROM | user | Global / General | – | Google Drive | AFH | OneDrive | DropBox |
| Stock ROM | user | Global / General | – | Google Drive | AFH | OneDrive | DropBox |
| Stock ROM | user | Global / General | – | Google Drive | AFH | OneDrive | DropBox |
| Stock ROM | user | Global / General | – | Google Drive | AFH | OneDrive | DropBox |
| Stock ROM | 20180712144107 | Global / General | – | Google Drive | AFH | OneDrive | DropBox |
| Stock ROM | 20180910233346 | Global / General | – | Google Drive | AFH | OneDrive | DropBox |
| Stock ROM | WW_ZS550KL-23.41.40.6-MR4-user-20170420123144-release-2.zip | Global / General | – | Google Drive | AFH | OneDrive | DropBox |
| Stock ROM | WW_ZS550KL-24.40.140.33-MR5-user-20170601092536-release.zip | Global / General | – | Google Drive | AFH | OneDrive | DropBox |
| Stock ROM | WW_ZS550KL-24.40.140.54-MR5.1-user-20170801104617-release.zip | Global / General | – | Google Drive | AFH | OneDrive | DropBox |
How to Flash Asus Raw ROM via Fastboot Mode
To flash the stock raw ROM on your Asus Zenfone or ROG Phone device, follow the fastboot flashing steps below:
- Download and install the Asus USB Drivers on your computer.
- Download and extract the Asus Stock Raw ROM package on your PC.
- Power off your Asus device completely.
- Press and hold the Volume Up and Power buttons simultaneously until the device enters Fastboot Mode / Bootloader Mode.
- Connect your device to the computer using a high-quality USB cable.
- Navigate to the extracted firmware folder on your PC:
- On Windows: Double-click the
flash_all.batfile (orflash_all_wipe.batif you want to perform a clean flash and wipe all user data). - On Linux/macOS: Open terminal in that directory and run
sh flash_all.sh. - The command prompt/terminal window will open and begin flashing the raw firmware files automatically. Keep the USB connection stable.
- Once the flashing process completes, the device will reboot automatically into the system.
