Uninstall Mcafee from Android devices
• open the Settings app. tap on location & security and Device Administrators.
• deselect Mcafee mobile security. open Mcafee mobile security.
• Select uninstall. Tap on option MORE if uninstall is not available initially
Uninstall Mcafee from iPhone devices
• Press and hold the Mcafee mobile security app icon till wiggling.
• Delete the Mcafee mobile security by pressing the X icon to confirm the delete.
• Now press the home button to stop other icons from wiggling.
Then, You can mcafee.com/activate
for more details.