I'm trying to use a phone overseas with a local number , actually trying to reload a local phone co to use my iphone
Carlos E. Caballero’s iPhone (4)
If you have a carrier unlock iPhone, you’re free to go with the carrier of your choice.
If you have a carrier locked iPhone, see this Apple article: How to unlock your iPhone for use with a different carrier -> How to unlock your iPhone for use with a different carrier - Apple Support
You need to contact your Carrier.
iPhone (4)
If you talking about an iPhone 4, > 13 year old - running iOS 7.1.2, you have an outdated iPhone, that may be the cause of the problem.
when trying to update a particular app on iPhone I get this: "there was an error processing your request
