Enabling developer mode will reduce security, as noted in Apple’s Documentation. If you are concerned over security risks, you can read Apple’s Documentation.
Open the Settings App and scroll down until you see Privacy & Security. Then click Privacy & Security. Privacy and Security Now scroll to the bottom of Privacy & Security, where you’ll see the Developer Mode option. Enabling this will ask you to restart your device if your on iOS 18+. Click restart then power on your iDevice. When its on click enable Developer Mode. Developer Mode Turn On Developer Mode