Prolific offers complete USB to Serial/UART/RS232 and USB to Printer interface bridge solution for Windows, Mac, Linux, and Android platform. Prolific provides perfect solution to connect your legacy peripherals and application to any USB host platform.

The OTPROM can be programmed twice using the Prolific PL2303 EEPROM Writer utility software which can be requested from Prolific.

Programmer Software Download Programmer Software Download Title Last Update # Downloads # Description Download Link GQ Blaster 1.10 Jun-16-2017 18263 The GQBlaster software is designed for GQ-5X NAND programmer and GQ-5X SPI programmers. USB driver use Signed GQ USB 2.01 driver below. To get fully functional software, the software needs registration and activation code. Old Revision Software and Revision History More chips added. Improved Smart-Copy algorithm.

Improved Smart-Copy algorithm. Fixed a display bug. Added Smart Copy feature added a new algorithm for creating target file. Like TV chip copy image data file., Added Bad Block Table analysis and Advanced copy feature. June-19-2016 ID 6 byte ID chip supported Dec-2015 Implement verify with NAND Standard.Sep-2015 Auto detect number of CE pin, Fix bug in large chip programming.Aug-2015 USB driver 3.0 supported. Apr-2015 Re 0.8 Initial release. Aug-2014 GQUSBprg 7.23 Mar-4-2018 30205 This software is for latest GQ-4X V4( GQ-4x4) universal programmer only.

It needs USB driver 3.0 to be installed first. This software does NOT work on older version GQ-4X. The newer version GQ-4x4 has two beep sounds from programmer when it is power on. The software works on Windows XP,Vista,7,8,8.1,10. Re 7.20 Added OneWire protocol chip support, such as DS2431. Prosmotr psd v provodnike windows. More other chips updates. Re 7.18, 27C4096,PIC chips update.

Re 7.11, fixed with ADP-054, 27C1024,27C160 unstable issue. Re 7.07B, fixed PIC chip missing.dev file issue. GQ USB Driver 3.0 for GQ-4X V4(GQ-4x4),GQ-5X Sep-27-2015 25577 This is GQ-4X V4 (Known as GQ-4x4)USB driver, it works on Windows XP, Vista, 7, 8, 8.1, 10 etc. This driver does not work on older version GQ-4X. The new version GQ-4x4 hardware has two beep sounds from programmer when it is power on.

For specific Window version driver only: • • OR (Need to run as Administrator) • • • • • OR (Need to run as Administrator) • • • • • Linux version GQ Blaster 1.10 Jun-9-2018 290 Linux version software for GQ-5X NAND and SPI programmer. GQUSBprg 6.38 Sep-27-2015 120056 For True USB Willem Programmer GQ-3X(except Re1.00), GQ-4X, works on Windows 2000,XP,Vista,Windows 7 for both 32bit and 64bit Windows system.