Micromax D321 firmware ( Flash file )
Model-D321
Version-4.2.1
Size-677MB
Download
How to Flash Micromax D321
1Step - Download File and Extract this file from this Zip File
2Step - After Extract You will get 3 Files Flash tool, Firmware and Driver
3Step - Install the Driver on ur PC
4Step - Open Flash Tool select Firmware and then Start
for more help Click on Youtube
YouTube
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