Adjust gamma, brightness, and color calibration manually
Enable or disable features not visible in the standard settings
Reset the TV completely
Check technical diagnostics, hardware info, or software versions
🔓 Example: Samsung Service Menu Code
Turn the TV off (standby mode)
On the remote, press:
Info → Menu → Mute → Power
The TV will turn on and enter the service menu automatically
⚠️ Warning: Changing values in this menu without knowing what they do can break your TV display or void the warranty. Use responsibly or with professional guidance.
🔦 2. Use Your Phone to See If the Remote Is Working
If you’re not sure whether your remote is sending signals, try this fun trick:
📱 Smartphone Infrared Check
Open your smartphone’s camera app
Point the remote’s top toward the lens
Press any button on the remote
If you see a blinking white or purple light, your remote is working!