iPhone 14 Pro Max no power repair

We have an iPhone 14 Pro Max that came in with a no start / no power issue. The phone has been dropped and had the casing and display replaced.
Eventually it proved the phone had both a charging issue and a very bad ripped pad which required reconstruction.

These are the tools I always use on my repairs:

- Heat plate iRepairMS1:
https://www.diyfixtool.com/products/i...

- Phone opener Refox RS50:
https://www.diyfixtool.com/products/r...

- Solder station Aixun T3B:
https://www.diyfixtool.com/products/a...

- Best flux ever - Mechanic 559:
https://www.diyfixtool.com/products/m...

- Microscope camera:
https://www.diyfixtool.com/products/5...

- Mini rotary fixture:
https://www.diyfixtool.com/products/r...

- Reballing stencil for iPhone 15 series:
https://www.diyfixtool.com/products/a...

- Chip grinding machine:
https://www.diyfixtool.com/products/a...

- Heating pad:
https://www.diyfixtool.com/products/c...

- 148C solder paste for reballing interposer:
https://www.diyfixtool.com/products/m...

- 183C general use solder paste:
https://www.diyfixtool.com/products/m...

- Best CPU reballing stencil for all iPhone CPU:
https://www.diyfixtool.com/products/m...

- Best board universal holder:
https://www.diyfixtool.com/products/w...