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APP下载

Shenzhen Hongcaitong Technology Co., LtdUtilities

View in the App Store
On iPhone Duo

Letterboxed

APP下载 runs in an iPhone-sized window with black bars.

Want APP下载 to fill the inner display? Be the first to ask.

Its latest version is built with the iOS 16.4 SDK,[1] which Apple shows letterboxed on the inner display.[2]

How we know
From the app’s build
Checked on
Version 1.0.2
Build
iOS 16.4 SDK
Latest version
1.0.2, Sep 19, 2023
Status updated

What owners report

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Version history

  1. Version 1.0.2Letterboxed

    iOS 16.4 SDK

    Checked Oct 26, 2026

Sources

  1. App Store build, version 1.0.2

    Built with the iOS 16.4 SDK. Uses none of Apple’s iPhone Duo APIs.

  2. Apple Developer: Prepare your app for iPhone Duo
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