Safari Private Browsing can block the cookies our cart needs. If you’re in Private mode on iPhone, Add to Cart may not work. Use a normal Safari tab or another browser.
You’re now in a normal tab. Add to Cart should work.
Keep shopping in a normal Safari tab, or use another browser (Chrome or Firefox). Private mode in Safari blocks the cart.
Re-enable privacy options after checkout if you like.
Yes. In a normal Safari tab (or another browser), you can add items and check out.