E sim settings missing on my phone phone since yesterday

Hi udaysuraj208,

We understand that you don't see eSIM settings on your iPhone. Just to confirm, is your iPhone unlocked? “To use two different carriers, your iPhone must be unlocked. Otherwise, both plans must be from the same carrier. If a CDMA carrier provides your first SIM, your second SIM won't support CDMA. Contact your carrier for more information. “

These details are mentioned in this support article: Using Dual SIM with an eSIM

We recommend following the steps mentioned in the above support article.

Have a great day!

Thank you for confirming, udaysuraj208. Which iOS version is your device running? If an update is needed, let's go ahead and do that now: Update your iPhone, iPad, or iPod touch

Have all carrier updates been installed as well? Here's how to check: Update your carrier settings on your iPhone or iPad

If the issue persists, try restarting your iPhone and then reset the network settings. Tap Settings > General > Reset > Reset Network Settings. This also resets Wi-Fi networks and passwords, cellular settings, and VPN and APN settings that you’ve used before. Your other personal data will not be deleted, as long as that is the reset chosen.

This article shows another place to verify if both SIMs are in use, Control Center: If Dual SIM with an eSIM isn't working on your iPhone

Take care.

We recommend reaching out to Apple Support to investigate this further: Get Support

Take care!