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iPhone Duo goes on sale Oct 23, 2026. Developers are likely to update their apps then, so statuses are for reference until launch.

Release day, your time14:12:16

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Amazon Flex

AMZN Mobile LLCBusiness

View in the App Store
On iPhone Duo

Letterboxed

Amazon Flex runs in an iPhone-sized window with black bars.

Its latest version is built with the iOS 26.5 SDK,[1] which Apple shows letterboxed on the inner display.[2]

How we know
From the app’s build
Checked on
Version 2.615.206
Build
iOS 26.5 SDK
Latest version
2.615.206, Sep 24, 2026
Status updated

What owners report

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Version history

  1. Version 2.615.206Letterboxed

    iOS 26.5 SDK

    Checked Oct 22, 2026

Sources

  1. App Store build, version 2.615.206

    Built with the iOS 26.5 SDK. Uses none of Apple’s iPhone Duo APIs.

  2. Apple Developer: Prepare your app for iPhone Duo
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