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東立電子書城

Tong Li Publishing Co.Books

Not on the App Store in the United States.

On iPhone Duo

Letterboxed

東立電子書城 runs in an iPhone-sized window with black bars.

Want 東立電子書城 to fill the inner display? Be the first to ask.

Its latest version is built with the iOS 18.5 SDK,[1] which Apple shows letterboxed on the inner display.[2]

How we know
From the app’s build
Checked on
Version 2.1.13
Build
iOS 18.5 SDK
Latest version
2.1.13, Mar 16, 2026
Status updated

What owners report

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Version history

  1. Version 2.1.13Letterboxed

    iOS 18.5 SDK

    Checked Oct 29, 2026

Sources

  1. App Store build, version 2.1.13

    Built with the iOS 18.5 SDK. Uses none of Apple’s iPhone Duo APIs.

  2. Apple Developer: Prepare your app for iPhone Duo
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