REDMI 4A LOCKED WITH PATTERN EASLY DONE BY CM2 DONGEL
FOR THIS OPRATION YOU JUST NEED TO PUT YOUR PHONE INTO EDL MODE AND OPEN CM2 QCM MODULE
NOTE- To boot your phone into edl mode you have to use edl cable for xiaomi or open back cover and short this point and connect usb cable to pc
OPEN INFINTY CM2 QLM MODULE AND JUST DO WIPE ALL DATA AND DONE TESTED 100% ..by this way you can also remove account in xiaomi redmi 4a
HERE IS THE SCREENSHOT
:::::::: feel free to contact me for any clarification ::::::::::