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Sometimes AliExpress sellers provide a QR code or Google Drive link for the latest updates. Step-by-Step Installation Guide 1. Prepare the Hardware

Open the Upgrade Tool and switch the language to English (usually the third option in the top-left menu).

Click , Flash , or Start . A progress bar will indicate the code transfer. Step 5: Reboot and Recalibrate

Ensure the device is recognized. If you see a yellow exclamation mark, you must download and install the CH340 or STM virtual COM port drivers. Step 4: Flash the New Firmware Open your downloaded flashing software. Select the correct COM port assigned to your oscilloscope.

New firmware resolves common glitches like screen freezing, calibration drifts, and signal save errors.

If you upgrade the main firmware (e.g., to V1.3.0C) without also updating the FPGA firmware , you may encounter "AUTO" button issues or signal distortion.

buttons to change CH1 Gain until the "PKPK" reading matches your signal generator's voltage. Adjust CH2 LEFT/RIGHT buttons to match the CH2 "PKPK" reading to the source. to exit and save the new calibration values. Community Modifications (ZeeTweak) New 2ch pocket DSO+SG - Zeeweii DSO2512G - EEVblog