Hello, Our expert technicians at iFixYouri can repair your iPhone 6 battery within a day of its arrival. Free standard shipping takes about 3-5 business days, depending on where your device is being sent from. The same goes for it being shipped back to you. There are different shipping options that will allow your device to get to us even sooner. You must purchase the service before shipping your device to us. If you have any more questions, feel free to call 1-888-494-4349. Hope this helps!