它适用于CDMA，但并非总是如此-它取决于网络运营商.

It works for CDMA, but not always - it depends on the network carrier.

这是另一种想法，这表明查看传出短信或通话找出该设备的电话号码，然后您就可以根据国际拨号代码从该号码中找出CountryIso ...

Here's an alternative idea, which suggests looking at the outgoing SMS or calls to figure out this device's phone number, from which you can then figure out the CountryIso based on the international dialing code...