Applicable products:4G03 Pro V1.0

Hardware Version: V1.0

Software version：V04.03.01.56

Upgrade Notes:

1. This firmware is only applicable to 4G03 Pro V1.0, the devices current firmware version must be V04.03.01.XX

2. Do not power off the device when upgrading.

3. It is recommended to restore factory settings after upgrading.

Release Notes:

1. Added IMS feature toggle

2. Fixed web page formatting anomalies triggered by USSD commands

3. Fixed some known issues and improved overall system stability