Mobile technologies has undergone rapid change. The modern handsets carry several advanced features. The cellphones can be broadly classified as SIM free, Contract and Pay as you go handsets. Among these three mobile versions, the SIM free mobile phones are most popular among the customers. The SIM free cellphone do not carry SIM card. This card is the network access card of the mobile service company. Without this card, the cellphone user cannot access the network services of the mobile company. The network card is unique of nature. One cannot access the network of a service provider by using the access card of the different service company.
The SIM free mobile phones are cheaper than the other cellphone versions ie., contract and pay as you go. The advantages of the SIM less cellphones are innumerable. The owner of this type of cellphone is free to use the network card of his/her choice. These category of cellphones are generally based on the GSM technology. Modern GSM gadgets are loaded with the sophisticated technologies such as 3G compatibility, high class music players, longer battery backup and lots more. Therefore, individual will enjoy the high class features of these widgets.
There are several mobile service companies, that offer SIM free handset deals. These deals usually carry free offers in terms of calling time, internet download, text messaging etc. In UK, the free cellphone offers are given by the service companies operating in the region such as T-mobile, O2, Virgin etc. Therefore, customers buying these widgets can also get free offers of the mobile service companies. Some times, mobile companies also present their card less gadgets in the market with fabulous gifts like computer, LCD TV, iPhone etc. The other benefit of this type of mobile deal is that, the person is not bound to adhere with the contract agreement of the network company. If any time, the phone owner feels dissatisfaction with his/her existing service company, then s/he may replace his existing SIM card.
However, there are some demerits of the SIM Free mobile phones too. The individuals will not get large free offers as are found with the pay as you and contract widgets. The low cost card less mobiles do not carry advanced internet and multimedia applications. The service plans of the most GSM providers are not cheap in comparison to other network companies. Barring these drawbacks, these phones are suited for all classes of mobile customers.