Supported mobile carriers
Realme C21Y 4GB · 64GB smartphone

The smartphone support next bands
2G 1 900 MHz
3G 2 100 MHz
4G 2 100 MHz

Carries frequency band checker

AT&T

2G 850, 1900 (PCS) 2/2
3G B5 (850) 1/2
4G B30 (2300 WCS) 1/4
We recommend ask AT&T about supporting Realme C21Y 4GB · 64GB bands in United States, only they can give you 100% right information

Boost Mobile

4G B41 (TD 2500) 1/3
3G - 0/2
2G - 0/0
We recommend ask Boost Mobile about supporting Realme C21Y 4GB · 64GB bands in United States, only they can give you 100% right information

Cricket Wireless

2G 850, 1900 (PCS) 2/2
3G B5 (850) 1/2
4G B30 (2300 WCS) 1/4
We recommend ask Cricket Wireless about supporting Realme C21Y 4GB · 64GB bands in United States, only they can give you 100% right information

FreedomPop

4G B41 (TD 2500) 1/3
3G - 0/2
2G - 0/0
We recommend ask FreedomPop about supporting Realme C21Y 4GB · 64GB bands in United States, only they can give you 100% right information

Google Project Fi

2G 1900 (PCS) 1/1
3G - 0/4
4G B41 (TD 2500) 1/6
We recommend ask Google Project Fi about supporting Realme C21Y 4GB · 64GB bands in United States, only they can give you 100% right information

H2O Wireless

2G 850, 1900 (PCS) 2/2
3G B5 (850) 1/2
4G B30 (2300 WCS) 1/4
We recommend ask H2O Wireless about supporting Realme C21Y 4GB · 64GB bands in United States, only they can give you 100% right information

Lycamobile

2G 1900 (PCS) 1/1
3G - 0/2
4G - 0/3
We recommend ask Lycamobile about supporting Realme C21Y 4GB · 64GB bands in United States, only they can give you 100% right information

Sprint

4G B41 (TD 2500) 1/3
3G - 0/2
2G - 0/0
We recommend ask Sprint about supporting Realme C21Y 4GB · 64GB bands in United States, only they can give you 100% right information

T-Mobile

2G 1900 (PCS) 1/1
3G - 0/2
4G - 0/3
We recommend ask T-Mobile about supporting Realme C21Y 4GB · 64GB bands in United States, only they can give you 100% right information

Ting (GSM)

2G 1900 (PCS) 1/1
3G - 0/1
4G - 0/3
We recommend ask Ting (GSM) about supporting Realme C21Y 4GB · 64GB bands in United States, only they can give you 100% right information

U.S. Cellular

4G B5 (850) 1/2
3G - 0/2
2G - 0/0
We recommend ask U.S. Cellular about supporting Realme C21Y 4GB · 64GB bands in United States, only they can give you 100% right information

Verizon Wireless

4G - 0/3
3G - 0/2
2G - 0/0
We recommend ask U.S. Cellular about supporting Realme C21Y 4GB · 64GB bands in United States, only they can give you 100% right information