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关于UNIVERSAL GSM CODES
如果您有自己的GSM手机，然后有几个码
If you own a GSM phone then there are several codes that can be entered to tell the network how to handle incoming calls and more. These codes are not really considered secrets, but they are poorly documented by service providers.
最新版本2.5的更新日志
Last updated on 2016年04月01日
new information added
UNIVERSAL GSM CODES历史版本
UNIVERSAL GSM CODES 2.5
2016年04月01日1.4 MB