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成都地铁-官方APP

成都地铁运营有限公司Maps

View in the App Store
On iPhone Duo

Letterboxed

成都地铁-官方APP runs in an iPhone-sized window with black bars.

Want 成都地铁-官方APP to fill the inner display? Be the first to ask.

Its latest version is built with the iOS 26.2 SDK,[1] which Apple shows letterboxed on the inner display.[2]

How we know
From the app’s build
Checked on
Version 3.6.1.3
Build
iOS 26.2 SDK
Latest version
3.6.1.3, Aug 11, 2026
Status updated

What owners report

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Version history

  1. Version 3.6.1.3Letterboxed

    iOS 26.2 SDK

    Checked Oct 29, 2026

Sources

  1. App Store build, version 3.6.1.3

    Built with the iOS 26.2 SDK. Uses none of Apple’s iPhone Duo APIs.

  2. Apple Developer: Prepare your app for iPhone Duo
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