Walton Primo D4 Official Firmware

♠ Posted by ggg in Walton at 02:41

 

Primo D4 Firmware upgrade instruction

# Install Driver by clicking “install” from “Driver” folder
# Open Flash tool (MultiPortDownload.exe file from flash tools folder)
1.   Set Scatter-loading (“MT6572_Android_scatter.txt “file from “SW” folder)
2.   Click,  BootRom+Preloader COM Sel All
3.   Click, Start All

4.   Press and hold volume up key till progress start
5.   Connect USB cable & insert battery

It will  starts SW Upgrading and After several seconds, it  will show “Cksm(USRDATA) OK…100% “  with green icon.

Done!!!

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