TestFlight signature is referred to as Apple TF signature - it is quickly launched in 19 minutes..

iOSTF signature, Apple's official name testflight signature, is the most stable Apple signature method in September 2025. It is an Apple officially recognized distribution model. It has few distribution restrictions and fast speeds, and can be installed on any Apple device. Moreover, users do not need to click to trust when downloading, which is convenient to operate and has a very good user experience.
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Tags/keywords: tf signature internal test, tf signature, iosTF signature, testflight listing, TF signature
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