各种网络的智能机能够通用普通的手机sim卡吗?

2025-04-02 11:44:30
推荐回答(2个)
回答1:

3g卡分为三种,移动3G,网络制式TD-SCDMA(速度最慢),联通3G,网络制式WCDMA(速度最快),电信3G,网络制式CDMA2000,速度介于联通3G和移动3G之间。普通的卡就是2G卡,上网速度很慢,一般下载速度20K/s左右。移动和联通网络制式都是GSM,电信是CDMA。
目前联通3G智能手机很多,像iphone也只有联通版和电信版,联通版的智能手机支持WCDMA,GSM网络,所以说其实联通智能机可以放联通3G卡,联通2G卡和移动2G卡,而电信版的只能放电信3G,电信2G卡(美版部分V网机型可以支持3家运营商的,但是有的信号不好,小米电信版也可以放联通3G,移动2G卡,但是信号强度没有联通标准版的好)。
大城市联通3G基本普及了,上网冲浪很给力,我用联通3G最快下载速度达到1M/s
比一般宽带还要给力。
纯手打,希望可以帮到你,望采纳!!

回答2:

如果是打电话比较多的话用移动比较好喔!喜欢联通卡的都是发短信和上网的多,因为联通3G网速比移动2G网速快,而且联通流量比较便宜,但是说信号和覆盖率的话还是移动比较好,联通去偏僻一点的地方信号就渣渣了。
sim卡是没区别的所有智能机都能使用,不过有些手机要用小sim卡(可以用普通卡自己剪小的),不过要剪卡一般都是iPhone和魅族手机。

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