To start with, you need to send an SMS with your email ID to 121 in the format 'eSIM<SPACE>email'. After this, you will receive a confirmation SMS and a call confirming that you sent a request to convert your physical SIM to an eSIM.

P.S- Some carriers support transferring or converting your physical SIM or eSIM or some may not. So Contact your carrier to see if they support this transfer process or not before doing this process. Also check whether your smartphone supports e-sim facility or not, in your smartphones features.

Convert your physical SIM to an eSIM on the iPhone :

1-On your iPhone, go to Settings > Cellular.

2-Tap Convert to eSIM.

3-Tap Convert Cellular Plan.

4-Tap Convert to eSIM.

5-Wait for your eSIM to activate. ...

6-Remove the physical SIM from your iPhone.

THANK$..👍