Well, wala rin naman ibang option sa spot welding aside from spot welding itself at stud welding. Which will cost you. Pag ganyang DIY projects mag soldering na lang talaga. Your choice.
As far as I know, may multi touch issue lagi pag hindi original screen ang pinalit. Hanap ka na lang magandang reviews at less 1 or 2 star reviews.
Yung GX or GH ba yun na screen iwasan mo. Nagpalit ako ng screen ng ganyan ng customer ko may complaint sa loose grip sa ML.