It's basically a superset of your bug report:
You reported this for XFMG but the issue is basically FancyBox itself, eg. also exists in core without XFMG.
The root cause is simply that there isn't enough horizontal space to display all icons and the counter (X / Y) if the screen is narrow and there are enough images to display, eg. the counter in the left colum gets wide enough.
This issue most likely won't be visible on Google Pixel or iPhone as those devices have a larger screen ( > 400px; Samsung Galaxy SXX has only 360px)
It's basically a superset of your bug report:
You reported this for XFMG but the issue is basically FancyBox itself, eg. also exists in core without XFMG.
I reported it for XFMG and RM, not noticing it had an impact on threads with attachments too. Probably why this one is marked Duplicate, as they see it as an XF-wide issue regardless of where reported:
Hi,
a member raised an issue with his Android (Huawei P30Pro, Android11, Emui 12) while viewing pictures.
I asked him to register here and check if he sees the issue here as well. And indeed, it is:
Only one picture:
With two it starts to move off as it shows pagination info:
"11" takes more space than "1" so the button is not accessible at all:
I don't use Android, on iOS it works fine.
Does anybody see the same on his Android or is it specific to this make & model ?