If you go on a trip to places where the security It's not reliable, good advice is use an old mobile and release it. You can do it in many electronics stores including those of Pakistanis that abound so much in the center of Barcelona or Madrid. For about 10 euros you will be released and you can use it with any SIM card of the world.
At the destination you buy a prepaid card (ready to go) and ready.
Not only will it help you stay in touch with your family and friends but it will also be a very economical way to keep in touch with your new friends traveling in the country or even to book in hotels and others.
After all, it's about that old cell phone that you were going to throw away. If they end up stealing it, it won't be that bad!