How to flash Micromax A050 stock ROM using SP flash toolStep 1: Download the Stock Rom  and extract it on your Computer.Step 2: Download  Smart Phone Flash Tool on Your computer and extract it.
Step 3: Open 
Flash_tool.exe .
Step 4: Click on the 
Scatter-Loading Button from the Right.
Step 5: Now, Locate the 
Scatter File, you will find this file in stock ROM folder.
Step 6: Now, Click on the 
Download Button to begin the Flashing Process.
Step 7: Connect your Smartphone to the Computer using USB Cable. After connecting the device to the computer Press 
Volume Down or 
Volume Up key, so that your computer easily detect your phone. 
Step 8:  Now flashing process will 
start in the bottom in
 yellow color.
Step 9: Once Flashing is completed, a 
Green Ring will appear.
Step 10: Unplug USB cable from your smartphone, and 
swith ON your phone.
Flashing SuccessfulDownloads: