how can i get my cell phone openning

[AC Question]

my cell phone Samsung galaxy mega model SGH-I527M says Firmware upgrade encountered an issue. Please select recovery mode in kies and try again and blocked now

 

[B. Diddy]

Welcome to Android Central! How were you trying to update the firmware? Was it an official over-the-air update, or did you try to install one manually? Have you tried using Kies for recovery?