(General iPhone Question) How to tell a bad charging port from bad IC?
A friend of mine has an iPhone 6S that wouldn't charge. She brought it to a shop and they replaced the charging port but it still wouldn't charge. She was then told that it was a bad IC on the motherboard, something that required microsoldering to repair. They recommended a place, they did the work, and it's fixed now.
Without taking the time/energy to replace the charging port, is there a way to definitively tell if the problem is within the charging port verses the bad IC?
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