ZTE Axon 40 Ultra (TO/T-B02) Firmware Flash File Download [Stock Rom]
ZTE Axon 40 Ultra (model TO/T-B02) is a flagship smartphone featuring a under-display camera, Snapdragon 8 Gen 1 processor, and premium design. If your device is experiencing software issues, camera performance problems, or connectivity errors, flashing the correct firmware can help restore its optimal performance. This page provides the official OTA update package for the ZTE Axon 40 Ultra.
Important Note: The ZTE Axon 40 Ultra uses a Qualcomm Snapdragon 8 Gen 1 processor with advanced features including under-display camera technology. This is an OTA update package that requires installation through the device’s stock recovery system.
Quick Device Specs
- Device: ZTE Axon 40 Ultra (TO/T-B02)
- Release year: 2022
- Chipset: Qualcomm Snapdragon 8 Gen 1
- Display: 6.8″ AMOLED, 120Hz, under-display camera
- Battery: 5000 mAh with 65W fast charging
- Camera: Triple 64MP (main + ultra-wide + periscope telephoto)
- Special Feature: Under-display front camera technology
- Original OS: MyOS 12 based on Android 12
Required Tools
| Tool / Utility | Purpose |
|---|---|
| Stock Recovery | Built-in recovery for OTA installation |
| File Manager | To move OTA zip to internal storage |
| ADB Tools (Optional) | For advanced installation |
OTA Update Package
| Version | Build Number | Android | Download | Size |
|---|---|---|---|---|
| 300422 | ZTE_Axon_40_Ultra_TO_T-B02 | 12 | Download | ~3.8 GB |
How to Install OTA Update
- Download the OTA package and verify the file integrity.
- Transfer the ZIP file to your device’s internal storage (root directory recommended).
- Go to Settings > System Update > Local Update.
- Select the OTA file and confirm installation.
- Wait for the process to complete. The device will reboot automatically.
- Do not interrupt the installation process once started.
FAQs
Q1. How does the under-display camera technology work?
The Axon 40 Ultra features ZTE’s third-generation under-display camera technology:
- Special display pixels with improved transparency over the camera area
- Advanced AI algorithms for image processing and correction
- Customized screen material allowing more light to reach the sensor
- Real-time optimization for different lighting conditions
This update may include improvements to camera algorithms and image quality.
Q2. Can I downgrade to previous software versions?
OTA updates typically don’t allow downgrading due to:
- Security patch level restrictions
- Bootloader and partition structure changes
- Potential compatibility issues with newer firmware components
- System integrity protections
Always backup important data before performing updates.
Q3. Why is my device overheating during intensive tasks?
The Snapdragon 8 Gen 1 can generate significant heat during:
- Extended gaming sessions
- 4K video recording
- Multitasking with multiple apps
- Fast charging simultaneously with heavy usage
The device includes advanced cooling systems, but some heating is normal during intensive use.
Q4. What camera improvements might this update include?
This OTA update may contain:
- Under-display camera optimization for better selfie quality
- Main camera performance improvements and bug fixes
- Video recording enhancements and stabilization updates
- Low-light photography improvements
- Camera app interface refinements
Troubleshooting (Axon 40 Ultra Specific)
- OTA installation fails: Ensure you have sufficient storage space (至少 4GB free) and battery level above 50%. Try downloading the file again if corruption is suspected.
- Under-display camera quality issues: After update, allow the AI algorithms to adapt. Results improve as the system learns your usage patterns.
- Display uniformity concerns: The under-display camera area may appear slightly different under certain conditions – this is normal for current technology.
- Battery draining quickly: The 120Hz display and powerful processor consume significant power. Use adaptive refresh rate and battery optimization features.
- 5G connectivity issues: Check carrier compatibility and ensure your SIM card supports 5G networks. Reset network settings if needed.
- Fast charging not working: Use the original 65W charger and cable. Clean the charging port and ensure proper connection.
