Does GOV.UK ID Check fit iPhone Duo? | Fits Duo

Name: GOV.UK ID Check
Author: Government Digital Service

Question 1

Does GOV.UK ID Check work on iPhone Duo?

Accepted Answer

Not yet. GOV.UK ID Check runs letterboxed on the inner display, with black borders around an iPhone-sized window. Its latest version is built with the iOS 26.2 SDK, which Apple shows letterboxed on the inner display.

Question 2

Is GOV.UK ID Check letterboxed on iPhone Duo?

Accepted Answer

Apps built with the iOS 26 SDK or earlier show black borders around an iPhone-sized window on the inner display; iOS 27 apps resize to fill most of it, and iOS 27.1 apps fill it completely. Current status: Letterboxed.

GOV.UK ID Check

Letterboxed

What owners report

Version history

Sources

Letterboxed

What owners report

Version history

Sources

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