I have a iPhone 3G it's up to date with IOS 6.1.6 but will not update apps
I have a iPhone 3G it's up to date with IOS 6.1.6 but will not update or download any apps but I've looked at my apps compacity my iPhone is compatible with them. Can anyone help? I've tried everything not understanding why my apps won't update or download new ones.
iPhone 3G, iOS 6.1.6