Your Nokia Lumia 635's camera is not working. Here are the three most common issues for you to look at: Low Battery Your phone will not let you access the camera if it has a low battery. Make sure the phone is at least over 20% charged. Missing Camera Icon It is possible that the camera icon is unpinned from the task menu. You have to scroll to the bottom of the task menu and click on the right arrow. Then scroll down until you reach the camera icon, hold it, and then click on 'pin to start'. Your camera is now available on the task menu. Broken Camera After discarding the previous problems, it is possible that the Nokia Lumia 635's camera could be broken. You would need to purchase a new camera, and if you want to replace it by yourself click here.

No matter what you do, you can't get your Nokia Lumia 635 to turn on. Here are some things for you to look at: (1)Drained/bad battery If your Nokia Lumia 635 won't turn on, especially if it has not been used recently, you may simply have a drained battery. Plug your Nokia Lumia 635 into your computer or AC adapter and see if anything happens. Ideally your Nokia Lumia 635 will recognize it has been connected to a power source and charge its battery. If it will no longer charge, the battery must be replaced. You can purchase affordable batteries online. (2)Bad display It is possible that it appears nothing is happening because the display is bad. If you hold the Nokia Lumia 635 up to your ear you should be able to hear the hard drive spinning and feel it vibrate. If the Nokia Lumia 635 sounds like it is working properly but nothing is visible, it is possible the display is bad and must be replaced. (3)Bad Power button connection If the Power button is not seated correctly, it is possible that the Nokia Lumia...

There are two most likely issues that could be causing your speakers not to work: (1)Bad headphones/speakers It's unlikely your headphones or speakers are bad, but it's worthwhile to eliminate these as the source of your problem at the beginning. Try your Nokia Lumia 635 with another set of headphones or speakers just to make sure that the problem is with the Nokia Lumia 635. (2)Bad audio jack The most likely cause of audio output problems on Nokia Lumia 635 is a bad audio-out jack. You can purchase a new headphone jack and replace it.