What do iphone gsm and global mean?

iphone gsm and global refer to the mobile customized version and the full Netcom version respectively, and gsm can only use China Mobile 2G, China Unicom 2G/3G and some 4G networks; if the phone is a dual Netcom model, If it supports China Unicom's 2G, 3G and 4G networks, choose GSM.

#The operating environment of this article: iOS 12.3.1 system, iPhone6.

What do gsm and global on iphone mean?

The gsm of iphone refers to the mobile customized version, and global refers to the full Netcom version, and gsm can only use China Mobile 2G, China Unicom 2G/3G and some 4G networks in China. If the phone is a dual-Netcom model and supports China Unicom's 2G, 3G and 4G networks, choose GSM.

Differences:

1. Supported network standards are different

The GSM version of the iPhone does not support CDMA and TD-LTE.

The GLOBAL version of the iPhone can support CDMA networks.

2. Domestic 4G operators support different data

The GSM version of the iPhone can only use China Mobile 2G, China Unicom 2G, 3G and some 4G (FDD) networks in China.

The GLOBAL version of the iPhone can use China Mobile 2G, China Unicom 2G, 3G, China Telecom 3G and 4G (FDD) networks.

3. Different customization methods

The GSM version of the iPhone is a mobile customized version.

The GLOBAL version of the iPhone is the full Netcom version (that is, the usual China Unicom version).

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