I am thinking of buying a Dual Sim adaptor that allows me to use my iPone 4S with two sim cards at the same time. This is very useful to me since I travel a lot out of the country; I can use my ATT sim card and a foreign sim card at the same time, thus saving me the hazzle of carrying two phones. There are several in the market (Koolertron) Apparently, I do not have to unlock my ATT phone, but I have to jailbreak it and install an app with a sofware.
I am wondering if anyone has had experience with this type of accesory. I'd like to know if they cause any problems to the use of the phone, to receiving or making calls, data services, etc. using the dominant or the secondary sm card.
Thanks
I am wondering if anyone has had experience with this type of accesory. I'd like to know if they cause any problems to the use of the phone, to receiving or making calls, data services, etc. using the dominant or the secondary sm card.
Thanks