Testflight is on the shelves-TF is on the shelves-Testflight signature-TF signature.

Apple TF signature is actually a way for iOS applications to download through Apple's official product TestFlight. The original intention of TS signature is that Apple uses to download and use some APPs before they are released. Taobao, Zhihu, and even Alipay will provide some customers with distribution and downloads before the official release, so as not to cause irreversible problems after the official release. Currently, many products are difficult to put on the shelves and have long review week before, and will use tf as the distribution method before the shelves.
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Tags/keywords: Testflight is on the shelves, testflight is on the shelves, Apple testflight signature, iostf signature, stable tf signature
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