Causes:
1. TV booting issue.
2. External device issue
3. Abnormal TV software.
Solution:
1. Please turn off the TV, unplug its power cord, wait for 2 minutes, then plug the cord back in.
2. Disconnect the external device, then repeat step 1.
3. Refer to Software upgrade for realme Smart TV or the YouTube tutorial How to upgrade realme Smart TV software with USB drive to complete the software update.
If the issue persists, please contact realme customer service for help.