In order to melt the glue, you can heat the old damaged lens by using hair drier ( don't heat too long) When replacing the single camera lens. Then cut out the old lens with your nails or knife ( without disassembling). And clean residual glue, then stick the new lens. That's all!
Parts offer a 90-Day warranty. The warranty period covers any defects in the material or the workmanship of the product. Warranty does not cover any damage done while using the product. Any product returned within warranty period will be eligible for a refund or a replacement.