In the example shown by WABetaInfo, the “photo quality” menu appears after tapping the HD icon. It gives two resolution options: standard quality (1600 x 1052) and HD quality (4096 x 2692).

The feature can be enabled when sharing a large image file with a contact or group by tapping the HD photo icon prior to sending the message and choosing between standard or HD quality.

In the instance shared by WABetaInfo, tapping the HD icon leads to a "photo quality" menu. This menu offers two resolution options: standard quality (1600 x 1052) and HD quality (4096 x 2692).