Why is my hot spot being slow
Hot spot was working but after 2 days it started being slow
iPhone 15 Pro Max, iOS 17
Hot spot was working but after 2 days it started being slow
iPhone 15 Pro Max, iOS 17
Please see the pic below to make it clearer that Hotspot is enabled by a Carrier on one SIM and not by the other Carrier in the same iPhone (Dual SIM).

Use these steps first
Restart the iPhone or iPad that provides Personal Hotspot and the other device that needs to connect to Personal Hotspot. Make sure that you have the latest version of iOS. On the iPhone or iPad that provides Personal Hotspot, go to Settings > General > Reset, then tap Reset Network Settings.
If Personal Hotspot is not working on your iPhone or iPad (Wi-Fi

Also, check the following
Ask the Carrier to change the SIM if nothing works.
Why is my hot spot being slow