Glad to hear you got your phone working again without having to replace the charging port!
Just for future reference for you or anyone else looking for a guide, although there isn't one here in iFixit yet, there is a French site called SOSav that does have a very usable guide for replacing the iPhone 12 Pro Max charging port. There are some idiosyncrasies in the translation such as calling flex cables 'tablecloths' and Phillips screws 'cruciform', but outside of those it's very usable.
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[link|https://www.sosav.com/guides/mobiles/iphone/iphone-12-pro-max/charging-connector/|Charging connector iPhone 12 Pro Max repair - Free guide - SOSav|new_window=true]
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[link|https://www.sosav.fr/guides/mobiles/iphone/iphone-12-pro-max/connecteur-de-charge|Charging connector iPhone 12 Pro Max repair - Free guide - SOSav|new_window=true]
Hi John,
Glad to hear you got your phone working again without having to replace the charging port!
Just for future reference for you or anyone else looking for a guide, although there isn't one here in iFixit yet, there is a French site called SOSav that does have a very usable guide for replacing the iPhone 12 Pro Max charging port. There are some idiosyncrasies in the translation such as calling flex cables 'tablecloths' and Phillips screws 'cruciform', but outside of those it's very usable.
[link|https://www.sosav.com/guides/mobiles/iphone/iphone-12-pro-max/charging-connector/|Charging connector iPhone 12 Pro Max repair - Free guide - SOSav|new_window=true]