The 3G4G Blog

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...

6th ETSI Security workshop was held last month. There were some very interesting areas of discussion including Wireless/Mobile Security, ...

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...

Arvind, an old colleague recently spoke in ACM , Bangalore on the topic of Security. Here is his presentation: Securing Wireless Cellular Sy...

We all have used different phones over the period of time while on contract with a certain operator. The tricky situation comes when we move...

Dean Bubley, in a post in Seeking Alpha has proposed a SIM-free option for LTE. I have heard this being discussed before in some forums but...