其他 返回
天气预报 > 其他 > iPhone4怎样升为4G网络
iPhone4怎样升为4G网络
更新时间： 2020-09-20 00:00:00  

iphone4并不支持4G网络，故无法升级为4G网络。4G的网络制式为移动TD-LTE和电信联通FDD-LTE。而iPhone4支持的网络制式为联通3G，联通2G和移动2G。iphone4支持的网络频段则为2G的800、850、900、1800、1900等GMS频段和3G的850、900、1900、2100等WCDMA频段 。由于iphone4并不支持4G的网络制式，即使手机卡升级为4G网络，iphone4也无法接收到4G信号从而无法使用4G网络。

关键词： iphone4 怎样 4g 网络

iPhone4怎样升为4G网络相关经验

天气预报

最新推荐

页面:/news/view-237255/ | 耗时:0.3278 s | 内存:2.11 MB | 查询:4 | 缓存读取:3 写入:0 | 加载文件:25
select * from tbl_Articles WHERE ArticleID=237255 LIMIT 0,1
select * from tbl_Articles_data WHERE ArticleID=237255 LIMIT 0,1
select * from tbl_Articles_sphinx where id=237255 LIMIT 0,1
SELECT ArticleID,Title FROM tbl_Articles WHERE ArticleID IN(1084083,282738,1109164,1493803,954007,892214,715334,1126528,434229,2040303,1918514,1045643,1558260,2167159,1962838,1084093,1964408,1042550,2722146,3367403,1109134,2696369,2149127,1041811,429284,802055,1573153,227170,1971819,1115233) ORDER BY field (ArticleID,1084083,282738,1109164,1493803,954007,892214,715334,1126528,434229,2040303,1918514,1045643,1558260,2167159,1962838,1084093,1964408,1042550,2722146,3367403,1109134,2696369,2149127,1041811,429284,802055,1573153,227170,1971819,1115233)