Always back up your existing configuration or device data before overwriting files with those from the RM3_4B archive.
If a hash (MD5/SHA) was provided with your download, verify it to ensure the file wasn't corrupted during the transfer. Step 1: Extracting the Archive RM3_4B.7z
Always check for a text file from the developer for version-specific notes. Step 3: Installation / Deployment Always back up your existing configuration or device