Many times you may have had to face the regret of only using the service of one mobile operator because it is not just about the grass that always seem greener. Different mobile operators offer drastically different prices for various services. One may charge the moon and the sky for the mobile Internet and the wap and 3G traffic and the other may give it away for free, but charge considerable sums for the actual phone calls.
This all makes a second sim card sound like a good deal. You don't even have to purchase a branded mobile phone with it anymore thanks to sim only deals that most mobile operators offer for the pre-paid tariffs. You get the sim card and just put it into your old phone and if you have a dual sim technology phone then all the less weight to carry around.
Still before you will be able to install and activate your new sim card in your phone there is plenty of work to do for the card to serve its main purpose which was naturally pay less for the phone calls or other mobile services. There are certain things you'll have to do.
Take the time to visit the web site of your main mobile provider and find out everything about your current deal. Get the information about the mobile Internet charges, calls' billing, text and mms messaging rates. Pay a special attention to the billing of those services you're using most.
Now that you know all the pros and cons of your current mobile operator it is time to choose the second mobile operator. The safest bet to save up money you're regularly spending is to choose the operator most of your friends, business partners and family are using. Then you need to look up the tariffs of this operator and analyze the rates and prices. Then choose the tariff, which balances out your current mobile deal. Let's say you have cheap phone calls, but expensive mobile Internet on the first sim card - in this case go for average phone call rates, but cheap Internet with the 2nd operator. These are pretty simple rules, but they will help you choose just what you need and save some money in future.