Upgrade Notes:

1. This firmware is only applicable to 4G08, the devices current firmware version must be V04.08.01.XX
2. Do not power off the device when upgrading.
3. It is recommended to restore factory settings after upgrading.

Release Notes:

1. Network Compatibility Expansion: Support more carrier networks.
2. Cellular Performance Optimization: Improve cellular performance in some scenarios for better user experience.
3. Memory Optimization: Optimize memory to enhance product stability.
4. Fixed unknown issues.