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网上国网

国家电网有限公司客户服务中心Utilities

On iPhone Duo

Letterboxed

网上国网 runs in an iPhone-sized window with black bars.

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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 3.2.4
Build
iOS 26.2 SDK
Latest version
3.2.4, Sep 16, 2026
Status updated

What owners report

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Version history

  1. Version 3.2.4Letterboxed

    iOS 26.2 SDK

    Checked Nov 5, 2026

Sources

  1. App Store build, version 3.2.4

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

  2. Apple Developer: Prepare your app for iPhone Duo