What do gsm and global mean in iphone
This article mainly introduces the meaning of gsm and global in iphone. It is very detailed and has a certain reference value. Friends who are interested must finish it!
Iphone gsm and global respectively refer to the customized version of Mobile and the version of all Netcom, and gsm can only use Mobile 2G, China Unicom 2G/3G and some 4G networks in China; if the mobile phone is a dual Netcom model and supports 2G, 3G and 4G networks of Mobile Unicom, choose gsm.
What do iphone's gsm and global mean?
Iphone's gsm refers to the mobile customized version, and global refers to the Netcom version, and gsm can only use Mobile 2G, China Unicom 2G/3G and some 4G networks in China. If the phone is a dual Netcom model and supports 2g, 3G and 4G networks of Mobile Unicom, choose gsm.
Difference:
1. Different network formats are supported
Model GSM version of iPhone does not support CDMA and TD-LTE.
The model GLOBAL version of iPhone can support CDMA networks.
2. Different data supported by domestic 4G operators
The GSM version of iPhone can only use mobile 2G, Unicom 2G, 3G and some 4G (FDD) networks in China.
The GLOBAL version of iPhone can use mobile 2G, Unicom 2G, 3G, telecom 3G and 4G (FDD) networks in China.
3. Different ways of customization
The model GSM version of iPhone is a mobile custom version.
The model GLOBAL version of iPhone is the all-Netcom version (that is, the usual Unicom version).
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