Tag Archives: sim

  • Fixing iPhone 4 “No-Sim Installed” Problem

    We recently bought several iPhones 4 for our company employees in order to show how much we value them (this is true, guys!).

    However, after using the new phones for a while we encountered a problem that some of them could not see the sim-card installed in them. The thing is that the SIM cards used by the new iPhones are smaller than those used in previous models. The new format is called “micro-sim” and the SIM cards seem to be at least one third smaller than the normal sims. Micro-sims look like this:

    Picture by Gizmodo (Source)

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