The glass prior to iPhone 14 is UNREPAIRABLE as well. You are better off breaking the screen. The Apple repair process for iPhone 12 and 13 is to replace the entire chassis. Ebay sellers will sell you a replacement back glass but you have to painstakingly break off all the back glass including a sensitive microphone near the cameras and also the chances you don't break the wireless charging is zero. Polycarbonate plastic would have been ideal