Basically, they are an on demand repair and service company for all apple products. Be it iPad, iPod, Macphone, iPhone iMac etc…They are just one call away... If you are facing any problem using the phone there could be loads of reasons. If your iPhone’s screen is broken or touch screen is not working, it is required to be replaced. Your battery needs to be replaced if it is not holding charge for a longtime. If you can’t hear the voice, you may have to replace the speaker. Likewise, if some parts of your electronic device are required to be replaced, it will be replaced only.