I lost my iPhone 4: It has a dead battery: Any tips?

I lost my iPhone 4, which I know has a dead battery. I can't use Find My iPhone because I don't think it's for IOS 7.X. Can someone help me get a better chance at finding it?

Yes Find My iPhone is for iOS 7 & greater but it wouldn't help anyway since the phone is dead. You'd have to look for it the old fashioned way

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