Bluetooth on my iPhone 4 isn't working?

The bluetooth on my iPhone doesn't seem to be working, whenever I try to send something from my phone to someone else's it just says 'searching devices' for ages and it never seems to find anything. And when someone tries to send something to me it just says 'not paired' or something like that. Do you know how I can fix this? And how to send photos and songs through bluetooth from my iPhone to other phones.

Go to settings & check to make sure your Bluetooth is in the on position. Sometimes it gets pushed to off accidentally & causes all types of problems.

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