If you have found a compatible update (e.g., a .upp file), follow these steps:
Backup
If you own an handheld digital oscilloscope, you already know it’s a powerful, portable workhorse for field debugging, education, and basic R&D. However, like any sophisticated electronic device, its performance, bug fixes, and feature sets depend heavily on keeping its firmware up to date. owon hds2102s firmware update link
Also, this update will wipe your saved waveforms and reference settings. Back up anything important to the USB drive first. If you have found a compatible update (e
: Connect the scope to your PC and run the update software. You may need to cycle power to enter bootloader mode for the software to detect the device. Why Update? a .upp file)