Or download the file from our mirror optiboot_atmega1284p.hex Download the firmwareĭaniel created a perfect firmware version that will work with the BLTouch v3. before you install the tool you have already connected your UMT dongle to your PC, otherwise, this tool will not work, first buy a UMT dongle from any local authorized reseller of UMT dongle, Once the dongle connected. We need the file bootloaders/optiboot/optiboot_atmega1284p.hex Download UMT MTK V5.1 latest setup from below, Once the tool is downloaded double click on the setup icon and run the setup. Download the bootloaderĭownload and unpack it. In the ISP folder we will find a folder named “progisp+1.72 - 副本” remove the Chinese characters from this so rename this folder to “progisp+1.72”. Unpack this file and we will find another file called ISP.rar also unpack this one. To flash a boot-loader and new firmware we need a program called progisp.exe we can find this in the zip file we can download from the Creality website the direct link is
progisp.exe that comes with the Creality firmware pack.USB ISP this one is being shipped with the BL Touch Kit from Creality.Creality Ender 3 Pro + BLTouch v3.1 + Marlin 1.1.9.1Īfter having a lot of problems with the default firmware from Creality I started to look for an alternative and found a working solution.
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