1. Go to the Apple Support website: Open a web browser and visit the Apple Support website.
2. Select your product: Click on the "Products" tab and then select the product you want to get support for. In this case, choose "iPhone."
3. Choose your issue: On the next page, select the issue you're experiencing with your iPhone. For example, select "Battery and Charging."
4. Get support options: You will see various support options, including "Chat," "Call," and "Bring in for Repair."
5. Choose "Bring in for Repair": Since you want to book an appointment at the store, click on the "Bring in for Repair" option.
6. Enter your location: Type "Doncaster" in the search bar and select "Apple Doncaster" from the suggested locations.
7. Select a service type: Choose "Scheduled Appointment" as the service type.
8. Pick a date and time: Select the date and time that works best for you from the available options.
9. Fill in your information: Enter your contact information, including name, email address, and phone number.
10. Confirm your appointment: Review the details of your appointment and click on the "Confirm Appointment" button.
11. Arrive for your appointment: Go to the Apple Doncaster store at the scheduled time for your one-on-one session with a specialist.
Remember to bring your iPhone and any relevant documentation, such as proof of purchase or warranty, to the appointment.