小米4电信4G cm13和魔趣6.0移动信号切换4G 3G的方法

来源：互联网发布：手机怎么申请做淘宝客编辑：程序博客网时间：2024/04/29 16:31

有些机油用小米4电信4G版刷了cm13后不能切换4G 3G信号（现默认已修复），这里给出解决方法。

1.先root手机

2.修改build.prop，找到ro.telephony.default_network= 这一行，修改这行的值，以下给出每个值对应的信号：

/* NETWORK_MODE_* See ril.h RIL_REQUEST_SET_PREFERRED_NETWORK_TYPE */
int NETWORK_MODE_WCDMA_PREF = 0; /* GSM/WCDMA (WCDMA preferred) */
int NETWORK_MODE_GSM_ONLY = 1; /* GSM only */
int NETWORK_MODE_WCDMA_ONLY = 2; /* WCDMA only */
int NETWORK_MODE_GSM_UMTS = 3; /* GSM/WCDMA (auto mode, according to PRL)
AVAILABLE Application Settings menu*/
int NETWORK_MODE_CDMA = 4; /* CDMA and EvDo (auto mode, according to PRL)
AVAILABLE Application Settings menu*/
int NETWORK_MODE_CDMA_NO_EVDO = 5; /* CDMA only */
int NETWORK_MODE_EVDO_NO_CDMA = 6; /* EvDo only */
int NETWORK_MODE_GLOBAL = 7; /* GSM/WCDMA, CDMA, and EvDo (auto mode, according to PRL)
AVAILABLE Application Settings menu*/
int NETWORK_MODE_LTE_CDMA_EVDO = 8; /* LTE, CDMA and EvDo */
int NETWORK_MODE_LTE_GSM_WCDMA = 9; /* LTE, GSM/WCDMA */
int NETWORK_MODE_LTE_CMDA_EVDO_GSM_WCDMA = 10; /* LTE, CDMA, EvDo, GSM/WCDMA */
int NETWORK_MODE_LTE_ONLY = 11; /* LTE Only mode. */
int NETWORK_MODE_LTE_WCDMA = 12; /* LTE/WCDMA */
int NETWORK_MODE_TD_SCDMA_ONLY = 13; /* TD-SCDMA only */
int NETWORK_MODE_TD_SCDMA_WCDMA = 14; /* TD-SCDMA and WCDMA */
int NETWORK_MODE_TD_SCDMA_LTE = 15; /* TD-SCDMA and LTE */
int NETWORK_MODE_TD_SCDMA_GSM = 16; /* TD-SCDMA and GSM */
int NETWORK_MODE_TD_SCDMA_GSM_LTE = 17; /* TD-SCDMA,GSM and LTE */
int NETWORK_MODE_TD_SCDMA_GSM_WCDMA = 18; /* TD-SCDMA, GSM/WCDMA */
int NETWORK_MODE_TD_SCDMA_WCDMA_LTE = 19; /* TD-SCDMA, WCDMA and LTE */
int NETWORK_MODE_TD_SCDMA_GSM_WCDMA_LTE = 20; /* TD-SCDMA, GSM/WCDMA and LTE */
int NETWORK_MODE_TD_SCDMA_CDMA_EVDO_GSM_WCDMA = 21; /*TD-SCDMA,EvDo,CDMA,GSM/WCDMA*/
int NETWORK_MODE_TD_SCDMA_LTE_CDMA_EVDO_GSM_WCDMA = 22; /* TD-SCDMA/LTE/GSM/WCDMA, CDMA, and EvDo */

3.修改保存，重启，如果信号不生效，就到设置->应用->电话清除缓存即可

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