17-12-2020 05:31 PM in
In the uk the S10 is certainly Dual Sim, not the case in US though as @Pugs1957 correctly states. See some information here https://www.androidcentral.com/does-galaxy-s10-support-dual-sim
I do not work for Samsung or make Samsung Products but provide independent advice and valuable contributions.
My Device- S21 Ultra 5G ( SM-998B/DS ) CSC= BTU , 12GB/256GB
One Ui 5.1,Android 13 .