How to change OPPO mobile phone from 2g to 4g

How to change OPPO mobile phone from 2g to 4g

How to switch 4G/3G network on 4G mobile phone:

1. ColorOS 3.0 and above versions do not have a switch ;

2. For ColorOS version 2.0, you can enter Settings--General--Mobile Network--Preferred Network Type and select the desired mode;

3. ColorOS For version 1.0, you can go to Settings--General--Mobile Network--First Network Mode and select the required mode. How to adjust oppo mobile phone 2017 only 2g4g

In the drop-down menu of our mobile phone, where the "earth" icon is to switch the traffic, press and hold for 3S and let go. How to change a 2G mobile phone into a 4G mobile phone

1. 2G and 4G refer to the mobile network. The old keyboard mobile phones in the past only supported 2G network, and most of the touch screen mobile phones supported 2G/ 3G/4G network;

2. If the 2G mobile phone and the card are also 2G ??network, if you switch to a 4G mobile phone, you will definitely be able to make and receive calls normally.

3. If you have a 2G mobile phone or a 2G card and want to switch to a 4G card, you don’t need to change your number. You can go directly to the business office to apply! But the mobile phone must be replaced with a 4G mobile phone, otherwise you will not be able to experience the increase in network speed! The 4G card has 4G signal on the vivo phone, but not on the OPPO phone, only 2G

If you cannot use China Unicom’s 4G network, it is recommended that you check the following conditions for using the 4G network:

1 Use China Unicom 4G package or the package has activated 4G network function;

2 The mobile phone terminal supports China Unicom 4G network;

3 The location is covered by China Unicom 4G network Road;

Card No. 4 is a USIM card.

You can check whether the above conditions are met, and then you can use China Unicom's 4G network. If you still cannot use the 4G network after troubleshooting, it is recommended to consult local China Unicom customer service to check whether the base station facilities are faulty. OPPO mobile phone 2G/3G/4G conversion method

1. Mobile and China Unicom models: Go to mobile phone settings--General--Mobile network--Preferred network type, select 4G/3G /2G or 3G/2G; 2. Telecom standard models: Go to Settings--General--Mobile Network--turn on or off the enable 4G but data switch. (If 4G is turned off, the mobile phone will use the 3G/2G network) 3.3G mobile phone: Enter *#2323# in the mobile dialing interface to show or hide the "Enable 3G" switch, and then manually switch the network. 4. After the 3G switch is displayed, you can see it in Settings-Wireless and Network, and choose to turn it on or off according to your needs. Note: Some models need to search and download the "Network Switch" application in the software store. After the installation is complete, open the application to operate the switch. Only the 3G switch of the mobile version may be hidden and needs to be switched in this way. For the China Unicom version, you can directly enter Settings - Wireless and Network to enable or disable 3G.

Oppo mobile phone is on 4G network, but it actually uses 2G. How do I change it to 3G?

Hello, is your location covered by 4G network? If there is no 4G coverage, use 2 or 3G. There is also a drop-down menu where you can switch traffic on and off. Keep pressing the icon like "Earth" and then let go and you can see the selected traffic mode. How to open 4G with 2 SIM cards on Oppo mobile phone

In settings-- Dual SIM and mobile network--Enable 4G switch; enter "*#2323#" on the dial pad to switch to 2G network