How does OPPOa57 turn off 4g?

It can be found in Settings - Mobile Network - Select Network Mode - Select 4G 3G 2G or 3G 2G, 2G Only; If it is a telecom version of the machine, please turn on the 4G data traffic switch on the mobile network in the settings (turn off the 4G switch and use the 3G and 2G networks by default).

1.Telecom models: Set Settings - General - Mobile Network - Turn on or off the Enable 4G but Data switch.

Note: The selection of network mode has been canceled in the system, you can enter "*" in the dial pad, and it will prompt "2G network mode only" or "2 3G network mode has been turned on", and the "Enable 4G" switch will be displayed in "Dual SIM and Mobile Network".

On and off the 3G switch for 4G phones:

Mobile and China Unicom models: Please select 4G 3G 2G or 3G 2G or 2G only, and select 4G 3G 2G or 3G 2G or 2G only on your mobile phone.

The 4G network switch is turned on and off, please go to Settings - Mobile Network - Select Network Mode - Select 4G 3G 2G or 3G 2G, 2G only; If it is a telecom version of the machine, please turn on the 4G data traffic switch on the mobile network in the settings (turn off the 4G switch and use the 3G and 2G networks by default).

You can set the access method under the mobile network settings option on your phone.

Then you can do this by turning data on and off.

The steps to fix the OPPO A57 suddenly no 4G network are as follows:

1. Turn on the phone, enter the main interface of the phone, pull down the mobile phone taskbar from the top of the screen, connect to the 4G network data, and open the settingsThere is no 4G switch at this time.

2. After opening the dial-up interface of the mobile phone, enter * in the dial box and the network setting interface will pop up.

3. After entering the network settings interface, click the network mode in the interface to select and enter.

4. After entering, click to select the menu"4G 3G 2G multi-mode"Then click OK to set the 4G network switch.

1. Make sure that the 4G** card has been replaced and the 4G function has been activated;

2. Try to restart the phone;

3. Drag down from the top of the screen (or from the bottom to the top) to make sure "Move Data" is on;

4. Set the network mode to 4G priority or turn the 4G switch on (the setting method is to select the network according to the following paths according to the version: Dual SIM devices: first enter [Settings] - [SIM card].

Settings] - [Internet access], select the SIM card that needs to be set. Then tap Back to enter the Mobile Network.

Preferred Network Type] Select a 4G network from the list.

Precedence; Single-SIM devices: Go to [Settings] - [Mobile Network] - [Preferred Network Type], and then select 4G network priority from the list. : The system has canceled the selection of network mode, and the 4G network is used by default, and it will automatically switch to 2 3G when there is no 4G signal. ）。

How to switch between OPPOA57 4G phone and 4G network:

For models of China Mobile and China Unicom: Go to the mobile phone settings options General options Mobile network options Preferred network type, select 4G network.

2.Telecom models: Go to the settings page General Options Mobile Network Options Turn on or off the data switch to enable 4G networks. (If you turn off 4G, the state of the mobile phone is 3G 2G network).

Good evening, friends,The system turns on 4G mode by default, and you can also dial in the keycast **, enter the mobile phone information after dialing, and change it in the preferred network mode.

1. Turn on your phone, find your phone settings, tap and enter.

5. After entering, select the 4G 3G 2G option to switch to 4G.

The 4G network can be set up in Settings - General - Mobile Network - Preferred Network Type.

1. Open the phone settings;

2. Select the General option;

3. Select Mobile Network;

4. Select the preferred network type;

5. Select 4G, 3G, 2G (Auto mode).

1. First of all, turn on the phone and enter the desktop where the settings are located.

2. Then click Settings to enter the settings interface, and then click "Dual SIM and Mobile Network Options".

3. After entering, you can click the Internet button to select which ** card the data traffic used to surf the Internet belongs to, and then you can set a reminder of the daily traffic limit below, and other traffic-related options.

4. Go back to the previous layer and click on other wireless connections to set up personal hotspots and other network issues.

1. Turn on your phone, find your phone settings, tap and enter.

5. After entering, select the 4G 3G 2G option to switch to 4G.

Hello, I'm glad to answer for you, please later, I'm working hard to sort out the answer for you, and I'll reply to you within 5 minutes.

Hello, I'm glad to answer for you, please later, I'm working hard to sort out the answer for you, and I'll reply to you within 5 minutes.

OPPO A57 mobile phone is a full Netcom mobile phone, when using a single card, the default use of 4G network, the following is the OPPO A57 series mobile phone dual SIM instructions:

1.Full Netcom version: The mobile card can be used with China Unicom cards and telecom cards at will, any card can choose 4G network, and the other card can be up to China Unicom 3G VoIP** status.

2.Mobile version: for China Mobile 4G+ version, the mobile card can be used with China Unicom card and telecom card at will, when the mobile card and non-mobile card are combined, the default mobile card is the main card, and the 2 3 4G network can be selected, and the non-mobile card can only be used as a secondary card and can only use 2G voice; When two mobile cards or two non-mobile cards are inserted, you can switch between the primary and secondary cards at will, and the main card can be up to 4G network, and the other card can be up to China Unicom 3G VoIP** status.

3.Two telecom cards cannot be used at the same time, one card can use the 4G network when used at the same time, and the other card will not be able to register the network.

I hope I can help you, thank you for your consultation and trust, I am happy to answer for you, you can ask me any other questions you have at any time, I will see you immediately. If you are satisfied with me, you can give a thumbs up and give me encouragement Finally, I wish you a happy life.

You need to turn on the 4G network in your phone's settings.

1. Models of China Mobile and China Unicom: Go to Mobile Settings - General - Mobile Network - Preferred Network Type, select 4G 3G 2G or 3G 2G;

<>2. Telecom models: Go to Settings - General - Mobile Network - Turn on or off the 4G but data switch. (If you turn off 4G, the phone is using a 3G 2G network).

Summary. Dear, OPPOA57 The method of setting up the 4G network is as follows:

1. The mobile phone is a network version or a mobile version

Enter the desktop of the mobile phone and click Settings; Select Mobile Network, select Network Mode; Select 4G3G2G and set up the 4G network.

2. If the mobile phone is a telecommunications machine:

Enter the desktop of the mobile phone and click Settings; Select Mobile Networks in Settings; Click on the 4G data traffic switch to set up the 4G network to complete.

OPPOA57 how to set up 4G network.

Pro,OPPOA57The method of setting up the 4G network is as follows:1、The mobile phone is the Netcom version or mobile version:Enter the desktop of the mobile phone,Click Settings; Select Mobile Network, select Network Mode; Select 4G3G2G and set up the 4G network.

2. If the mobile phone is a telecom version of the machine: enter the mobile phone desktop and click Settings; Select Mobile Networks in Settings; Click on the 4G data traffic switch to set up the 4G network to complete.

Hope it helps!

My oppoa57 in the Unicom card is 4G,Why is it not good to turn on the data?,Only 3G is displayed

Dear, you try to change the card first.

If it's still 3G, there is a problem with the signal module of the mobile phone.

OPPO phone set up 2G 3G 4G network method:

1. Models of mobile and Unicom standards:

Go to Phone Settings - General - Mobile Network - Preferred Network Type, select 4G 3G 2G or 3G 2G;

2. Models of telecommunication standards:

Go to Settings - General - Mobile Network - Turn on or off the Enable 4G but Data switch.

OPPO A57 phone introduction:

The machine is a mid-range mobile phone launched by OPPO, with an inch screen, built-in 3GB RAM+32GB ROM, and supports 128GB memory card expansion. It is equipped with a front 16 million + rear 13 million pixel camera, has a 2900mAh battery, runs Android system, and is available in three colors: gold, rose gold, and black.

Specific parameters:

After entering the settings, click on Dual SIM and mobile network, click on SIM card information below, click on the network operator after entering, and then turn off the automatic selection inside Finally, search for network selection, but it will automatically be adjusted to 4G, so oppoa57 can be adjusted.

The conditions that need to be met for mobile phones to use 4G networks:

1. The location has 4G network coverage and good signal;

2. The SIM card is the 4G card corresponding to the 4G network supported by the mobile phone;

3. The mobile phone supports 4G network standard, such as LTE-TDD or LTE-FDD.

How to switch between 4G mobile phone and 4G 3G network:

1. ColorOS has no toggle switch, you can enter * on the dial page to turn on or off "2G network mode only";

2. For other versions, you can go to Settings - Mobile Network - Network Mode to select the desired mode.

If your mobile phone card has enabled the 4G function (you must hold a USIM card), the mobile phone supports 4G, the TD and FDD functions have been turned on, and the 4G network is covered in the area, you can use the 4G network.

The 4G network switch is turned on and off, please go to Settings - Mobile Network - Select Network Mode - Select 4G 3G 2G or 3G 2G, 2G only; If it is a telecom version of the machine, please turn on the 4G data traffic switch on the mobile network in the settings (turn off the 4G switch and use the 3G and 2G networks by default).