OnePlus has updated its Switch app to add support for transferring data from iPhones. Unfortunately, there is no companion app on iOS on the App Store, so the process is a bit complicated. The full set of instructions are on the OnePlus forum but the gist is that you need to download a beta version of the OnePlus Switch app for Android along with the iOS app from OnePlus website. Then you have to give special permissions to the app you just downloaded on your iPhone for it to work, since it is not an App Store app. After that you get hotspot settings on your OnePlus phone, which...
Source: https://www.gsmarena.com/oneplus_switch_update_adds_support_for_transferring_data_from_an_iphone-news-34112.php
