Ask for help Air China Telecom 5S not enabling the 3G option What to do

Hello! Hopefully, the following will be helpful to you.

The telecom version of iPhone5S is turned on by default3G, as long as your phone is currently available on the 3G network, the 3G network is preferred, and you can turn on the cellular data function in the settings. When the 3G network is unavailable, the 2G network will be automatically switched.

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If you still have questions, please keep asking. Have a great day, thank you!

Dear Telecom users, Hello! According to your description:

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I hope I have been helpful to you, and if you have any questions, please feel free to continue to consult us.

This setting is meant to help you save data.

According to your description: you can set up the 3G network as long as you go to Settings - Cellular Data. China Telecom's 3G network is only used for high-speed Internet access, and voice and SMS are transmitted through the 2G network.

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Have a great day! Hope mine is helpful to you and can get yours!

Hello! We hope you find the following information helpful.

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1. Apple 5S1528 is the Unicom 3G version.

2. Cracked Skin Song can use mobile 2G network.

3. Support China Unicom's 2G and 3G network.

4. The telecom network is not supported, and the mobile phone cannot recognize the Zhengbei telecom card.

According to your description, it is recommended that you take out the telecom card from your iphone5s and put it in other telecom phones to try. Can you use a 3G network. If you can't use the telecom 3G network in other telecom mobile phones, it may be that there is a problem with your telecom card, and you can go to the telecom business hall with the owner's ID card to replace the card.

If it can be used normally in other telecom cards, it is recommended that you bring the three-pack certificate of the hand guessing machine to Apple for sale, and ask Apple engineers to help you detect and deal with it.

Anhui Telecom will serve you wholeheartedly, and I hope that mine can get your harvest.

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According to your description:

You can bring your mobile phone to the after-sales service, let the professional operate the recovery, and the system caused by sensitive infiltration can be recovered by flashing.

Have a great day!

Yours should be the system, right?,As far as I know, systems below ios8 don't have this function(ios8 hasn't been used yet),It's just that third-party software has a "enable 3G、4G" function。 If you want to use the 4G function, you can go directly to the business hall for 4G**, after the iPhone6 can be adaptive network system, the Japanese version should be full Netcom, but it is best to confirm with the operator before upgrading**

1. Whether the Japanese version of iPhone6 supports domestic telecom 4G;

2. After upgrading to 4G**, if you are not satisfied, can you drop back to 3G**?

Telecom's 2G and 3G cards do not have 4G switches, you have to change to 4G cards to have them (all cards of China Mobile and China Unicom have 4G switches, only telecom must be replaced with 4G cards).

I don't have an Air China three-network telecom card, and China Mobile Unicom has it.