Note: This guide involves modifying the device’s firmware and configuration. Please proceed with caution and ensure you fully understand each step before proceeding!
Please note that we are not liable for any loss or damage incurred by you or your equipment during the undertaking!
Preliminary Steps
1. Read and Save Data:
– Use the Depot software to read and save the data from your MTM5200.
– Save the full flash image of your device.
– Export and save the sensitive tuning values from the device.
Variant 1: Flashing Method
2. Prepare for Flashing:
– Disconnect the power from the MTM5200.
– Connect +12V from the same power supply as the radio to pin 6 on the accessory connector (the flash pin) using a programming lead.
3. Start CPS+ Depot:
– Open CPS+ Depot software.
– Select “FREON UART HOST” and “Custom secure”.
– Under the AIS file, select the the right Factory Upstart Kernel bin file for the upgrade.
4. Flash the Radio:
– Do not click “Wait for bootme”.
– Click “START”.
– As soon as you click “START”, immediately apply power to the radio.
– Timing is crucial: the radio should scroll messages in the window and then say “DONE”. If not, repeat the procedure.
5. Write Codeplug and Firmware:
– Detect the radio on the RS232 port.
– Write the entire codeplug to the radio.
– Write the appropriate firmware to the radio.
Variant 2: Codeplug Method
6. Read and Export Data:
– Read the radio’s codeplug (CP) using the Depot software.
– Export the sensitive data from the CP.
7. Create New Codeplug:
– Create a new CP with the MTM5400 definition that matches the current firmware in the radio.
8. Import and Write Data:
– Import the previously exported sensitive data into the new CP.
– Force-write the new CP to the radio.
Final Steps
9. Verification:
– Verify that the conversion was successful by checking the device’s functionality.
– Ensure all features of the MTM5400 are operational.
Important Notes
– Backup: Always keep a backup of your original data and flash image in case you need to revert changes.
– Sensitive Data: Ensure that sensitive tuning values are correctly exported and imported to avoid the need for expensive retuning equipment.
– Timing:** The flashing process requires precise timing; multiple attempts may be necessary.
– Instructions: Follow each step carefully to avoid damaging your device.
By following these steps, you can successfully convert your Motorola MTM5200 to an MTM5400, unlocking advanced features and capabilities.
Thanks to Gábor for the base info and tests.
* We do not provide programming software, licenses, additional information, or technical support beyond what is available through above published information!