: Resolves lag and improves the responsiveness of the V II Digital Engine .

: If an update is available, follow the on-screen prompts to download and install. The TV will likely restart automatically. Method 2: Manual USB Update

| Problem | Likely Cause | Best Fix | |---------|--------------|-----------| | TV doesn't recognize USB | USB not FAT32, or file name wrong | Reformat, rename exactly as per instructions (e.g., update.zip or MstarUpgrade.bin ) | | Update stuck at 0% or 99% | Corrupt file or incompatible firmware | Redownload from official source. Check chassis version. | | TV turns on but shows only logo | Bootloader partially updated | Repeat update using physical button method. If fails, need service center. | | No sound after update | Audio firmware mismatch | Go to settings > Sound > Reset audio defaults. Or reinstall firmware. | | Wi-Fi or Bluetooth broken | Wrong driver in firmware | Downgrade only if you have previous working firmware. Else contact Skyworth. |

The firmware update is not necessarily the newest leaked version, but the correct and stable version for your specific hardware revision.