Keyword Focus: 3rt841b firmware upd
If the TV remains stuck on the logo after an update, you may need to enter the Service Menu
Here’s a useful, structured write-up for “3RT841B Firmware Update” (Siemens SIRIUS soft starter / industrial control device).
Backup Configuration: If the device has a configuration (like a router or switch), it's a good idea to back it up before proceeding with the update. This ensures you can restore your settings if something goes wrong.