Follow my steps.
1. Go to recovery mode
2. Then go wipe
3.then go format data and there type 'yes' and press enter key
4.then go advance wipe in wipe section and select ... chache,delvik cache ,
System , data, internal sd ..then swipe
Showing white screen rom miui using magisk
Dt2w enable or disable flashable zip
Kitkat backup not work in ur device now
If you want to go back in kitkat you need s-off
HTC 820 is have Slow Internet Speed on specially 2G. Also in WiFi or 3G. I have made a Modification to increase this..
Tested On HTC 820 Dual Sim »India Device«software version 2.10.720.1
Note ( Some devices build.prop are different. So Using E...