Some telephony service providers use to lock Blackberry phones by programming their software in such a way as to work only with the SIMS they supply. This means that the phones can’t be used with SIMs provided by other suppliers if they are not unlocked. Most frequently this restriction leads phone users to searching solutions for unlocking their phone.
There are various reasons for which people choose to unlock their Blackberry. One of these reasons is that once they have bought a locked phone, they will only be able to use it with the original network and this may turn out quite expensive especially when they travel abroad and have to pay extra roaming fees. So why not switch to other providers in order to benefit from local call rates?
Moreover, if you unlock your Blackberry, you will be able to use a dual SIM card, which enables you to handle private and professional calls separately.
Some other people want to sell their phones. The problem is that no one will be interested in buying a phone as long as it is locked to a particular network and can’t be used with other SIM cards. Unlocking it could considerably increase its value and the possibilities of its being quickly sold.
These are the most important reasons to have a phone unlocked. It is highly recommended to use the unlocking services of a company specialized in phone unlocking because it provides you with safe instructions on how to unlock a mobile, which are different depending on your current network or provider, as well as on the model of your cell phone. Once you have contacted a specialized company, you will know exactly what steps you need to follow in order to unlock your Blackberry.