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Before writing or erasing any chip, perform a Read operation and save the original dump as a backup .bin file.
Right-click it > > Browse my computer for drivers .
Right-click the Windows Start Button and select .
Click . If a red Windows Security warning pops up saying "Windows can't verify the publisher of this driver software," click Install this driver software anyway .
If a red warning window pops up stating "Windows can't verify the publisher of this driver software," click . Step 3.4: Running the EZP2020 Application
The USB driver is installed as a serial port, not a programming interface. Use Zadig to switch to WinUSB or libusb-win32 .
Complete Guide to EZP2020 Programmer Software: Download, Installation, and Setup
For users who need to edit the chip database, a QT-based editor is available on GitHub. This tool allows you to modify the database used by EZP2019, EZP2020, EZP2023, and EZP2025 programmers.
Once your PC reboots with driver enforcement disabled, connect your EZP2020 programmer to a USB port using the provided cable.
The EZP2020 typically uses generic CH341 or CH347 USB interface chips. These chips require a specific driver to be installed on your system:
If all items are checked – congratulations! You are now ready to dump, flash, and recover firmware like a pro.
If an executable installer is present, right-click it and select . Follow the prompts to complete setup.
After writing, the software should automatically verify that the chip data matches the file. 4. Troubleshooting Common EZP2020 Issues
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