If an iPhone previously had its screen/battery/camera repaired by a third-party but it works fine afterwards, will Apple service the iPhone?
For example, let's say that my iPhone battery went bad so I went to a cheaper third-party store to have it replaced (likely with a non-OEM battery). I use it for a few months but it degrades much faster than an OEM battery. Can I take it to Apple and pay them the money to replace the battery with their own OEM part?
I understand a third-party repair will void the warranty on an iPhone, but I have not been able to find any definite information about whether they void all future repairs/servicing from Apple.
The reason I am asking about this is because of an article on the Verge published in March 2019 linked here. Here are some snippets (my emphasis added):
iPhones with third-party batteries are now eligible to be repaired at Genius Bars and Apple Authorized Service Providers (AASP), according to internal Apple documents reportedly obtained by MacRumors and French outlet iGen. Before, Apple policies stated that customers were ineligible to receive any kind of repair service if their iPhones were previously repaired with any non-original, third-party components, meaning you’d be taking a big risk by replacing an iPhone battery yourself.
Batteries are the latest third-party components to be accepted by Apple’s rigid repair policy, as the company changed its policy to accept iPhones with third-party displays for repair in 2017.
So this article suggests (without a source) that only recently an iPhone with a third-party battery or screen replacement is eligible for repairs. Is there any more information, perhaps directly from Apple, about what is allowed for servicing?