How do I manually merge contacts?

To manually merge contacts on iOS, follow these steps:

1. Press the "My Contacts" circle in the app
2. Press the "..." button in the upper right corner
3. Press "Select Contacts"
4. Tap on the contacts you wish to merge
5. Press the "..." button in the lower left corner
6. Press "Merge"

All information from the selected contacts will be merged into a single contact.