I had a pristine s6 edge I’m replacing the battery in. I can agree with many others about the amount of heart needed and need to where gloves. I had to heat several times using a heat gun. After several attempts phone broke free from suction cup went flying and now I have a phone with broken screen. Oh well, glad it’s not my primary phone. After getting it above 100c, the back glass finally started to separate. You need another person to be ready with a pick. Once you get one pick in, the rest is .