Add new APN, Asus ZenFone 8

[mdjames2]

Hi
I've just added a Vodafone UK sim into a new Asus ZenFone 8. Vodafone have provided me with APN settings but the option to add a new APN is not available so I'm stuck.
Any advice much appreciated.
Michael

[mdjames2]

Solved by moving the sim from sim2 slot to sim1.