3G is the third generation of GSM network technology that offers more speed bandwidth (high data transfer rates) to handheld devices. Even though it has been put to extensive use in business applications, Oppo A7x 3G technology was made primarily for the handheld phones business.
Oppo A7x 3G Availability
Please note that 3G network is available on Oppo A7x.
Set Up 3G Option on Oppo A7x
To turn On/Off 3G on Oppo A7x apply this method:
1) Tab Settings,
2) Tab SIM cards & mobile networks,
3) Choose the SIM card for which you want to configure,
4) Choose Mobile networks,
5) Tab your preferred option.
How To Tell If Your Oppo A7x Is 3G?
Actually, there are several ways to identify if 3G function is available on Oppo A7x or not. But these two most popular ways are working on both iOS and Android operating systems:
Way-1
On the top of your Oppo A7x screen you should be able to see if it says 3G.
Way-2
Apply these steps:
1) Dial *#06# on your phone to display Oppo A7x IMEI number.
2) Explore www.imei.info, type your IMEI number and select Check.
3) You’ll see a report. Look at the LTE section – it will display all the frequencies that supported by your phone. 3G service works on the 2100MHz frequency, so if you see the number 2100, then your Oppo A7x is 3G compatible.
Please note that you can always check the phone’s user guide.
Note: LTE Option on mobiles setting generally refers to 4G networks.
Oppo A7x 3G – More Terminology
What is LTE?
Long-Term Evolution (LTE) is a standard for wireless broadband connections used for mobile devices and data terminals. Its frequencies as following:
* 3G networks: 900 MHz and 2100 MHz (band 1 and 39).
* 4G networks: 800 MHz (band 20), 1800 MHz and 2600 MHz (band 7 and 38).
* 5G networks: 700 MHz (band 28) and 3500 MHz (band 78).
Note: LTE Option in mobiles settings generally refers to 4G connections.
Knowing More About MHz:
MHz (Megahertz) is a unit of frequency equal to one million cycles per second. It is used to measure the transmission speed of electronic devices, including mobile phone communications.
Understanding Band:
The band is an interval in the frequency domain, delimited by a lower and upper values of transmission capacity over a network communication systems. However, in general we are using bandwidth word to refer to the capacity of a network.