I alway found that dipping it in some araldite epoxy resin works great Basically, squeeze both tubes, part A and part B, into a bowl, mix well. lay your phone

I alway found that dipping it in some araldite epoxy resin works great Basically, squeeze both tubes, part A and part B, into a bowl, mix well. lay your phone on a flat surface and pour the mixed araldite over the phone. smooth and level the araldite with a plastic tool. let dry. sorted!