https://us.community.samsung.com/t5/Galaxy-S21/Sim-card-manager/m-p/3373404#M97262 <P>Unfortunately no, i asked ChatGPT about it On your Galaxy S21 (SCG09 – Japanese model) the reason you don’t see “SIM card manager” is most likely because of regional firmware restrictions.</P><P>&nbsp;</P><P>Here’s why this happens:</P><P>&nbsp;</P><P>1. Japanese firmware limitation – The SCG09 (au KDDI Japan) has a heavily customized version of Samsung’s software. In many cases, features like SIM card manager or eSIM are completely disabled or hidden.</P><P>Is this true?</P> Thu, 02 Oct 2025 02:13:46 GMT Aymanedon_2000 2025-10-02T02:13:46Z