If the TV box is stuck in a boot loop (the "ON" or "Load" screen), you may need to force the update. Power off the device, insert the USB drive with the renamed firmware file, and hold the
Insert your USB drive into a computer, right-click the drive, select , and choose FAT32 as the file system.
⚠️ Do not use Amlogic or Rockchip firmware on a Sunplus box. You will permanently brick it.
: Do not power off the device while the screen displays "Updating firmware...". The box will usually reboot automatically once finished. Online Upgrade (OTA) If the device supports Over-The-Air (OTA) updates: Connect the box to a stable Wi-Fi or Ethernet network.
: If the box stays on the logo screen after the update, try performing a factory reset from the recovery menu. Upgrade Firmware Sunplus Box Tv1 20-
Open the box (carefully pop off the bottom cover) and look for a PCB marking like:
: Alternatively, navigate to Settings > System > System Update and select Local Update to point to the file on your USB drive.
Manufacturers often release patches to fix Wi-Fi dropouts, Ethernet detection, remote control pairing, or to update the DRM security level (Widevine).
Adds new UI skins, updated satellite transponder databases, and improved Wi-Fi dongle compatibility. Pre-Requisites Before Upgrading If the TV box is stuck in a
Browse to select your USB storage path and select the downloaded firmware file. Press to initiate the system write sequence.
during this stage. A power failure during a flash can permanently damage the device.
: Navigate to Menu > Settings > Factory Reset (default pin is usually 0000 ). This clears out old configuration caches that frequently cause software instability after updates.
Reconnect the main power cable while keeping the button firmly pressed down. You will permanently brick it
This common error occurs when the Sunplus operating system checks the file header block and detects an incompatible hardware signature.
A "complete guide" for upgrading firmware on generic Sunplus SPvTV boxes (often marked as TV1, TV1-20, or similar clones) requires caution. These devices are generic "no-name" brand receivers, meaning the firmware is often specific to the exact batch of hardware used inside.
or pull out the storage drive prematurely. Doing so permanently bricks the internal flash storage sectors.