Google AMP Viewer URL showing desktop version

[natsl05164]

Description

I have a AMP page that has mobile and desktop version. The mobile version is the 1 that is always cached and shown when using the AMP viewer. ( https://www.google.com/amp/s/)

But recently, when opening AMP on the AMP viewer , it showing the desktop version .

May i know why this happened ?

Reproduction Steps

Not able to simulate the issue

Relevant Logs

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Browser(s) Affected

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OS(s) Affected

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Device(s) Affected

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AMP Version Affected

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