
The Infinix Zero 40 5G features a 6.78-inch curved AMOLED display with Full HD+ resolution (2,436 x 1,080 pixels) and a 144Hz refresh rate. It is powered by the MediaTek Dimensity 8200 Ultimate processor, paired with 12GB of RAM, ensuring smooth and efficient multitasking performance.
The device runs on Android 14 with a customized XOS 14.5 interface, and Infinix has committed to providing long-term software support, including two major Android upgrades and three years of security updates.
The rear camera system on the Zero 40 5G includes three lenses: a 108MP main camera with Optical Image Stabilization (OIS), a 50MP ultra-wide camera with a 120-degree field of view, and a 2MP depth sensor. The 50MP front-facing camera supports 4K video recording at 60fps, delivering high-quality photos and videos.
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
OP
| File Type | Firmware / Build | Region / Model | OS Version | Download Link |
|---|---|---|---|---|
| Stock ROM | Infinix-Zero-40-X6860-H899ABCDEF-U-OP-240903V1047.zip | OP | – | Google Drive | OneDrive | Backup |
| Stock ROM | Infinix-Zero-40-X6860-H899ABCDEF-U-OP-240802V940.zip | OP | – | Google Drive | OneDrive | Backup |
| Stock ROM | Infinix-Zero-40-X6860-H899ABCDEF-U-OP-240709V842.zip | OP | – | Google Drive | OneDrive | Backup |
RU
| File Type | Firmware / Build | Region / Model | OS Version | Download Link |
|---|---|---|---|---|
| Stock ROM | Infinix-Zero-40-X6860-H899AB-U-RU-240802V940.zip | RU | – | Google Drive | OneDrive | Backup |
| Stock ROM | Infinix-Zero-40-X6860-H899AB-U-RU-240709V842.zip | RU | – | Google Drive | OneDrive | Backup |
How to Flash Firmware / Stock ROM
To flash the stock firmware on your Infinix device using SP Flash Tool, follow these steps:
- Download and install the MTK USB Drivers on your computer.
- Download and extract the SP Flash Tool.
- Launch
Flash_tool.exeas administrator. - Click on the Scatter-loading button and select the Android scatter file (
.txt) from the extracted firmware folder. - Click the Download button.
- Power off your device completely, hold the Volume Down or Volume Up button, and connect it to the computer via USB cable.
- The flashing process will start automatically. Wait for the green “Download OK” checkmark to appear.








