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21财经

21st Century Business HeraldNews

View in the App Store
On iPhone Duo

Letterboxed

21财经 runs in an iPhone-sized window with black bars.

Want 21财经 to fill the inner display? Be the first to ask.

Its latest version is built with the iOS 26.1 SDK,[1] which Apple shows letterboxed on the inner display.[2]

How we know
From the app’s build
Checked on
Version 12.4.2
Build
iOS 26.1 SDK
Latest version
12.4.2, Sep 28, 2026
Status updated

What owners report

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Version history

  1. Version 12.4.2Letterboxed

    iOS 26.1 SDK

    Checked Oct 29, 2026

Sources

  1. App Store build, version 12.4.2

    Built with the iOS 26.1 SDK. Uses none of Apple’s iPhone Duo APIs.

  2. Apple Developer: Prepare your app for iPhone Duo
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