Mac

not entirely true. check it out. YES CDMA phones can't be switched. Duh. But the Note II is capable of GSM too... the embedded sim is nothing more then a normal sim card. check this thread at XDA. Solder in a dual SIM, load up the software and your good to go. Well... as long as you can get the battery cover back on. http://forum.xda-developers.com/showthread.php?p=33531573 Update: CDMA phones don't use SIM cards at all. Unless the are world capable (international) phones. In that case, it uses CDMA on the sprint network, and the GSM for when traveling abroad (unless your in the rare location of the world that serves CDMA). You're correct that it doesn't use any sort of physical chip accessible to the customer to connect to the network. It uses a serial number of each specific phone to permit access. That's why on sprint and Verizon you have to contact them with the ESN or MEID to switch the phone service. Even then the ESN has to be registered with that specific network. Sprint to Sprint and Verizon to Veriz...