The 3G4G Blog

This new video and presentation looks at the operation and terminology associated with multiple SIMs in mobile cellular devices. Slide...

It's been a while since I wrote detailed posts explaining UICC and SIM cards . Since then the SIM cards have evolved from Mini SIM to M...

ETSI held their annual Security Week Seminar 17-21 June at their HQ in Sophia Antipolis, France. All the presentations are available he...

Machine-to-Machine UICC, also known as M2M Form Factor (MFF) and is often referred to as embedded SIM (eSIM) is a necessity for the low d...

I had been having some discussions regarding Multi-SIM phones and there is a bit of misunderstanding so here is my clarification about t...

Its no surprise that GSMA has started working on Embedded SIM specifications . With M2M getting more popular every day, it would make se...

I blogged about the nano-SIM card earlier and the 3 proposals that are causing the deadlock. Here is a new fourth proposal that has been s...

BBC reported that there is some dispute between Apple and Nokia/Rim for the next generation of SIM cards, 'nano-SIM'. You can rea...

I have mentioned before that UICC is the physical card and 2G SIM/USIM/ISIM are applications on the UICC card. The IMS SIM holds data pro...

Will a Soft SIM Change Everything? View more presentations from Zahid Ghadialy

I am sure you have already heard of Gemalto's (worlds largest SIM manufacturer and supplier) Facebook on the SIM announcement . The adv...

Continuing yesterdays theme of Smart Cards . I read Comprion's recent press release with regards to Micro-SIM. As mobile devices get mo...

Since the beginning of this year , Sagem Orga and Telefonica have been working on next generation SIM card called SIMFi. With SIMFi, you ...

Release 11 Features Advanced IP Interconnection of Services The objective is to specify the technical requirements for carrier grade inter-o...

In good old days of GSM, SIM was physical card with GSM "application" (GSM 11.11) In the brave new world of 3G+, UICC is the physi...