1. Overview
1.1 Upgrade Instructions
To ensure successful upgrade, please read the following instructions carefully before upgrading:
This document is only used to instruct customers to upgrade the software of specific radio to
R2.05.05 Please refer to 1.3 Applicable Models and Versions for more details.
Make sure that USB to Uart driver is installed on the computer; if not, please install the driver before
upgrading.
After successful upgrade, use V2.05.02.001 or later CPS to reprogram the radio.
To ensure successful upgrade, do not run other applications of the Company during upgrade. If the
upgrade process is interrupted by running other applications, please restart the radio and try again.
Do not disconnect the power supply of the radio during upgrade. If the power supply is cut off or
upgrade failure occurs, please restart the radio and try again.
If the prompt “Reading data error!” or “Writing data error!” appears during upgrade, please restart the
radio and try again.
1.2 Confirming the Firmware Version
Caution
Please confirm the following conditions before upgrading. If the conditions are not satisfies, stop
upgrading the radio; otherwise, the radio may be damaged.
Firmware version of the radio to be upgraded must comply with the upgrade requirements.
Firmware version of the radio must be upgraded to later version.
Step 1 Use the CPS of earlier version to read the radio to be upgraded.
Step 2 Click “Radio Information” to check whether the Firmware Version and Model Number comply
with the requirements in 1.3 Applicable Models and Versions.
Step 3 Disconnect the CPS and the radio.
Step 4 Turn off the radio.
1.3 Applicable Models and Versions
R5.6 Version and Model Number
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