Cellular phones and services have numerous incompatibility concerns specially when using it abroad. We need to understand the issues and learn more about it. There are two answers to the cell phone compatibility question.
First, cell phone services use various types of radio frequencies and encoding services thus, if your phone doesn’t receive the frequency and encoding of the local service, it becomes apparently useless.
Second is the commercial problem. Sometimes, your phone will only work on other companies’ services if there is a cross-billing agreement between the two companies. Example of this is roaming. Roaming is very common in the US but it has become more problematic internationally.
Furthermore, when you are in another country, bear in mind that you need to get both a compatible phone and a compatible account. In some countries like Japan renting a cell phone at the airport seems to be the best option since it is practical to determine whether the phone works or not. In the US or overseas, you can either buy or rent a cell phone, but be sure you get one that will be compatible internationally particularly in countries you are...