I did what you said but still it didn’t work
My iPhone’s screen cannot rotate how can I rotate?
My iPhone’s screen cannot rotate how can I rotate?
Rotate the screen on your iPhone or iPod touch
The screen on your iPhone and iPod touch can rotate so that you can see apps — like Safari and Messages — in portrait or landscape mode. Learn how to rotate the screen on your iPhone or iPod touch, or get help if the feature doesn't work.
Some apps don't support rotation, so your screen might not rotate even if Portrait Orientation Lock isn't turned on.
Rotate the screen on an iPhone without a Home button
If the screen still doesn't rotate, try a different app — like Safari or Messages — which are known to work in landscape mode.
Learn how to rotate the screen on your iPad.

Rotate the screen on an iPhone or iPod touch with a Home button
If the screen still won't rotate, try another app — like Safari or Messages — which are known to work in landscape mode.
Still need help?
Contact Apple Support about your iPhone or iPod touch.
Rotate the screen on your iPhone or iPod touch
The screen on your iPhone and iPod touch can rotate so that you can see apps — like Safari and Messages — in portrait or landscape mode. Learn how to rotate the screen on your iPhone or iPod touch, or get help if the feature doesn't work.
Some apps don't support rotation, so your screen might not rotate even if Portrait Orientation Lock isn't turned on.
Rotate the screen on an iPhone without a Home button
If the screen still doesn't rotate, try a different app — like Safari or Messages — which are known to work in landscape mode.
Learn how to rotate the screen on your iPad.

Rotate the screen on an iPhone or iPod touch with a Home button
If the screen still won't rotate, try another app — like Safari or Messages — which are known to work in landscape mode.
Still need help?
Contact Apple Support about your iPhone or iPod touch.
I did what you said but still it didn’t work