HomeVivoHow to Change 3G Settings for vivo Y21?

How to Change 3G Settings for vivo Y21?

vivo Y21 3G

The main objective of the vivo Y21 3G (stands for 3rd generation of wireless communication) is to give a fairly high speed wireless connection for various forms of data, including multimedia, sound tracks, and video in addition to voice calls. However, we could say that vivo Y21 3G mobiles are innovated to be utilized on 2G networks also.

Is 3G available on vivo Y21?

Please note that vivo Y21 has 3G network.

vivo Y21 3G

Activating 3G on vivo Y21

To turn On/Off 3G on vivo Y21 follow these steps:
1) Go to Settings
2) Tap Network & internet
3) Select SIM card & mobile network
4) Select SIM 1 or SIM 2
5) Choose Mobile networks
6) Tap the preferred network.

vivo Y21 3G

Steps to Know About vivo Y21 3G Availability

Because these two ways are applicable on both iOS and Android operating systems, we can count it as the main ways to recognize if vivo Y21 3G network is available or not.
There is an icon on the top of the vivo Y21 screen refers if 3G network is available or not.

To know if your vivo Y21 supports 3G network or not, you can use this way:
1) Dial *#06# on your phone to display vivo Y21 IMEI number.
2) Explore www.imei.info, then write your IMEI number and select Check.
3) You’ll get a report. Look at the LTE section – it will show all the frequencies that are supported by your vivo Y21. 3G service works on the 2100MHz frequency, so if you find the number 2100, then your vivo Y21 is 3G compatible.

Please note that you can always check the phone’s user manual.

Note: LTE Option on mobile settings commonly refers to 4G network.

vivo Y21 3G

More Stuff About 3G on vivo Y21

Understanding 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 networks.

MHz Meaning:

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 cellular phone communications.

Understanding Band:
The band is an interval in the frequency domain, delimited by a lower and upper values of transmission capacity over network communication systems. However, broadly we are using bandwidth term to refer to the capacity of a network.

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