We all agree that the invention of the cellular phone has made our lives so much easier. It has afforded us the convenience of being able to communicate with others while we are mobile. The cellular phone enables us to make and receive important calls, send and receive text messages and some models even allow us to check our emails and store important documents functioning more like a personal digital assistant. It is no wonder that majority of the people nowadays have their very own cellular phones and they even bring it along with them on their travels be it locally or internationally. If you will be traveling abroad with your cellular phone in tow, you need to let your mobile phone operator enable your phone for international roaming. This process may vary among different operators but it usually takes only a short while and usually after 24 hours your international roaming service will already be activated. When you will be availing of this service, make certain that you clearly ask your operator how much you will be charged for call and text services. Be in the know if you will be charged for calls and messages that you will be receiving when you are out of the country because certain operators even charge you for this. So despite the fact that you may not have used your phone for calls or texts, you may have been receiving calls or messages that may shock you upon receiving your bill. It would be best for you to buy a local sim card in your country of destination if you will be staying there for quite some time. This would enable you to save more because call charges under international roaming services could be costly. Though some operators actually lock your cellular phones to their network making you unable to use the sim card, you can find many local retailers who could unlock your cellular phone. Just be careful though because certain operators would forfeit the warranty of your cellular phone if you have it unlocked. When traveling always have a copy of your cellular phone number and serial or IMEI number for you can never predict if untoward incidents may happen. In case you will be a victim of theft, immediately report to your operator your mobile number and IMEI number to have them disable your phone. Report it then to the local police authorities. When traveling with your mobile phone always keep it safe and avoid showing it off.