Yes, in most cases. However, "free" here means using community-sourced firmware or generic Sunplus reference software—not an official OTA (over-the-air) update. The TV 120 runs on the Sunplus 1506C or 1508A chipset, which was widely used in many low-cost FTA receivers. That means firmware from similar models often works.
A: No software update can guarantee unlocking premium subscription channels legally. The update allows the box to read keys. You must find valid keys or a valid subscription share. The box does not "hack" satellite signals; it merely allows file input.
Warning: Updating firmware carries a risk of "bricking" (destroying) your device if done incorrectly. Follow these steps carefully.
If the official route fails, there are community-driven sites that host these files for free. sunplus box tv 120 update free
Warning: Be wary of "clickbait" sites promising a free update but forcing you to complete surveys or download suspicious .exe files. Legitimate firmware usually comes in a .zip or .img format.
Since the Sunplus Box TV 120 is not an official "branded" device like a Fire Stick or NVIDIA Shield, you cannot rely on an over-the-air (OTA) automatic update. You must perform a manual "Local Update."
Step 1: Identify Your Exact Firmware Version Yes, in most cases
Step 2: Source the Correct Free Firmware
Step 3: Prepare a USB Drive
Step 4: Install the Free Update
Even with a free update, issues can occur. Here is how to solve them:
| Error Message | Solution | | :--- | :--- | | "USB Device Not Supported" | Your USB is not FAT32 or is too large (>32GB). Try a 4GB or 8GB drive. | | "File Mismatch / Wrong Version" | You downloaded firmware for the wrong chipset (1506 vs 1510). Find the correct one. | | Update stuck at 22% or 45% | The USB drive has bad sectors. Re-format the drive, copy the file again, and restart the forced recovery. | | Box turns off during update | Power supply failure. Use a 12V 1.5A adapter (not a cheap 12V 1A). Do not attempt to restart—send to repair. | | Channels are black after update | The ECM keys are not auto-updating. Manually enter new keys or wait 15 minutes for auto-roll to trigger. |
Once rebooted: