Never update your firmware simply for the sake of it. Always check the changelog (release notes) provided by OWON. If your device is working perfectly and you don’t need new features, stability might be preferable to the risks of an update.
But early users quickly discovered quirks: the auto-set sometimes chose wrong timebases, the multimeter readings drifted slightly, and the USB connection to a PC was finicky. owon hds242 firmware
Firmware updates sometimes reset the factory calibration constants stored in EEPROM. Solution: Never update your firmware simply for the sake of it
On EEVblog Forum and Reddit, owners began reverse-engineering the firmware structure. They found the HDS242 used a SoC (same as many cheap Android TV boxes) running a custom Linux kernel. The firmware was packaged as a .upg file—encrypted but not securely. But early users quickly discovered quirks: the auto-set
What custom firmware can sometimes offer: