A: Sometimes yes. Many users report improved signal locking after updating the tuner driver.
: Ensure your power connection is secure. A power loss during the "flashing" stage can break the receiver's hardware. Vivax Dvb-t2 181 Software Update
: Never turn off the device or remove the USB drive during the update process. Step-by-Step Update Process Download and Prepare : A: Sometimes yes
However, if your box is currently working perfectly—all channels load, subtitles match, and there is no pixelation—the old adage applies: "If it ain't broke, don't fix it." Wait a week to see if other users report major bugs. Vivax Dvb-t2 181 Software Update