When Motorola developed its first devices, RDSLite flashed everything necessary to make your phone work, but now it only works as fast boot or directly does not work on some devices.
So, if you want to flash the bootloader, you can use the Moto Auto Flash Tool. It simplifies the process.
Characteristics:
Simple flashing with binaries included.
Support for Multiple Devices.
The automatic process, with minimal user interaction.