Apple iPhone 7 U2301 Boost IC
Issue: No Power - Device is not charging or turning on.

Diagnostics: When the device was connected to power we noticed that a lot of heat was generated in a specific area of the board. Showing that there was a faulty chip.
Solution: Removed short on PP_VDD_BOOST and replaced C2304 and U2301. £90 motherboard repair.
Outcome: Device is now charging, Repair has been completed.