Release the button once the "Software Upgrading" screen appears. Troubleshooting Common Issues
If you flash V8-R851T02-L1F or V8-R851T02-LF1V (note the variant), your tuner might stop detecting channels, or the remote IR codes will mismatch. ---- V8-r851t02-lf1 Firmware
If you need help finding the for your specific model, let me know: Release the button once the "Software Upgrading" screen