How To Downgrade Walton Primo EF3 Lollipop To Kitkat 100% Working.
Many people wants to know how to downgrade walton primo EF3.There are some bug in this lollipop update.But overall lollipop update is not bad.I noticed that few people want to downgrade there phone lollipop to Kitkat.Every user faced one problem that when they power off their phone windows can’t recognized there device or USB debugging is not working.I have faced the same problem Here i will show you how to downgrade walton primo EF3 lollipop to KitKat step by step.
walton primo ef3 specification from HERE
So you need to download the stock kitkat firmware.You can download this from HERE
After download extract the file.Then follow this step.
1.Install all the driver for walton primo EF3.Download spreadtrum Driver from HERE
2.Now open the Walton primo EF3 flash file folder and find Spreadtrum Upgrade tool.(Download this Factory download tool 100% working)
3.Run Spreadtrum Upgrade tool on your PC.
4.After open this tool click on the top left corner LOAD PAC. button and add the PAC. file.
5.Click on Start downloading button.
6.Now connect your phone using USB cable.(press the volume down button when connect your phone)
Remove the USB Cable after flashing is complete.Now power on your phone.
All done.. Now you can enjoy kitkat version on your Walton Primo EF3.
Comment below if you have any problem.