Making a little history we remember that The first SIM card was developed by the German company Giesecke & Devrient, which was subsequently sold to the Finnish operator Radionlinja, beginning to be operational since 1991. Is unique for each telephone line, so that the operator you hire must add your identification data as well as the services it offers.
SIM cards are available in 4 different formats: Full size (1FF), MiniSIM (2FF), microSIM (3FF) and nanoSIM (4FF) and its evolution has allowed it to gradually achieve shrink over time. It has been a faithful companion of smartphones and some tablets for some time now, but everything points to the latest movements of companies in the sector that this type of card is giving the last blowsAt least as we know it. SIM cards will start disappear next year and will be replaced by eSIM.
About Alfredo Santiago Martn
Chemical Engineer, Master in Multimedia Applications from the UOC and a passionate of Science and Technology since he has knowledge of the cause. It is defined as a Geek in an imperfect world. Citizen of the world and nominated by luck, his natural habitat passes between computers and machines with many cables and buttons. Founder and CEO of gurutecno.com. Everything is simpler than it seems.
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. (tagsToTranslate) SIM management (t) telephone operators (t) SIM card