Credit limit increase

It’s a simple process and takes only about 2 minutes. Here is a support article that goes over the process.

How to view your available Apple Card credit details or request a credit limit increase - Apple Support

Request an Apple Card credit limit increase

On your iPhone:

1. Open the Wallet app and tap Apple Card. 
2. Tap the More button .
3. Tap the Message button .
4. Type a message requesting a credit limit increase, then tap the Send button .

On your iPad:

1. Open the Settings app. 
2. Scroll down and tap Wallet & Apple Pay. 
3. Tap Apple Card, then tap the Info tab. 
4. Tap the Message button .
5. Type a message requesting a credit limit increase, then tap the Send button .

If approved the increase is applied immediately.

Goldman Sachs will consider your payment history with Apple Card and other credit information to determine whether to grant any request for credit limit increases on Apple Card. This means you may need up to six months or more of payment history with Apple Card before Goldman Sachs can approve your request for a credit line increase.

You’ll see the option to >> View Card Details <<, that will take you the card details screen. On the left side of the screen you’ll see the option to Message. Depending on the version of iOS you’re using it may be different,

The three dots dont connect to any such menu and I am on a 12.