Can some one help me identify iPhone 5

What do you mean, "get a better network". These are phones intended for Japan. While they have modified their regulations some lately, Japanese carriers would not unlock phones in the past. Not sure exactly what you are trying to do, given the little information you have provided. And the fact that you have posted on a 2-year old thread.

Seems this is an iPhone 5, GSM &CDMA model. Identify your iPhone model - Apple Support I cannot get any information on the model number, which generally identifies where it was designed to be used. Make sure you are getting the model number correct. I cannot have two model numbers.

Those are both Japanese iPhones and won't work with any other system.

how to get better network when im using this iphone 5 model me040j/a?