Guide with all the necessary steps for you to change the LCD display of the Sony Xperia U (ST25i) yourself
You will need to apply heat to the screen, in order to soften the glue and to peel off easily. We suggest the use of HOT GLASS, with high thermal retention.
Insert the HOT GLASS in the microwave for the time specified in the instructions.
To heat it evenly, it is necessary to interrupt the microwave every 30 seconds to distribute heat throughout the HOT GLASS with your hands.
Apply heat to the edges of the screen for a couple of minutes.