iPhone123Gsetting

2020年11月1日—The“option”asyoucallitisaswitchthatletsyouselect3Gandexclude4G/LTEand5G.Applehasnocontroloverthatswitch;itisincluded ...,2020年12月23日—ThenewiPhone12modelsstillsupport3Gbuttheyremovedtheoptiontoonlyuse3G.That'saproblemandthereisnogoodreasonwhythey ...,2021年4月5日—Idon'tknowwhy,but2guesses:Mostcarriersareplanningtoturnofftheir3Gnetworkssometimewithinthenextyearsotheantennascanbe...

3G on iPhone 12

2020年11月1日 — The “option” as you call it is a switch that lets you select 3G and exclude 4G/LTE and 5G. Apple has no control over that switch; it is included ...

Can't select 3G ONLY on iPhone 12 Pro Max, iOS 14.3

2020年12月23日 — The new iPhone 12 models still support 3G but they removed the option to only use 3G. That's a problem and there is no good reason why they ...

Force my iphone 12 pro to use 3g

2021年4月5日 — I don't know why, but 2 guesses: Most carriers are planning to turn off their 3G networks sometime within the next year so the antennas can be ...

How to switch from 4g to 3g on iPhone

Switch between 3G4G5G

Before you start · Select Settings · Select Mobile Data · Select Mobile Data Options · Select Voice & Data · To enable 3G, select 3G · To enable 4G, select 4G · To ...

View or change cellular data settings on iPhone

You can turn cellular data and roaming on or off, set which apps and services use cellular data, see cellular data usage, and set other cellular data options.

在iPhone 上檢視或更改行動數據設定

在iPhone 上，開啟或關閉行動數據和漫遊、設定哪些App 和服務可使用行動數據，以及設定其他行動網路選項。

檢視與編輯iPhone 和iPad 上的「連接點名稱」（APN）

... 設定的APN，以下是改回原本設定的方式：. iPhone：前往「設定」>「行動服務」>「行動數據網路」，然後點一下「重置設定」。 iPad：移除設定描述檔再重新加入。如果你是 ...