Sometimes, a new “feature update” introduces a bug you cannot live with (e.g., slower waveform capture). Downgrading is possible but not officially supported.
: Install the necessary serial drivers (typically WCH CH340 or similar) to ensure the computer recognizes the oscilloscope's COM port.
The is a highly popular, budget-friendly 120MHz handheld oscilloscope, but keeping its firmware updated is essential for fixing bugs (like the CH2 offset) and unlocking new features. Installing the latest firmware requires a specific tool for the W80X chip and a precise sequence of physical button presses to enter "Download Mode." Pre-Installation Checklist