Home / Firmware / SM-W2021 / CHC

Firmware W2021ZCS2BUF1

Device 三星W21 5G

Model SM-W2021

Region CHC

Country China

OS Android 11

Release Date 6/24/2021

Upload Date 7/5/2021

PDA W2021ZCS2BUF1

CSC W2021CHC2BUF1

Changelist 21455571

Size 7217086864 bytes (approx. 6.7 GB)

CHC CSC Breakdown

Network ID

NW00109

Network Name

中国移动

Network Country

China

Network Bands

GSM 900 / GSM 1800 / TD-SCDMA 1900 / TD-SCDMA 2000 / TD-LTE 1900 / TD-LTE 2300 / TD-LTE 2500 / 5G 700 / 5G 2500

Network ID

NW00041

Network Name

中国电信

Network Country

China

Network Bands

CDMA2000 800

Network ID

NW01665

Network Name

CTMACAO

Network Country

Macau (People's Republic of China)

Network Bands

CDMA 800

Network ID

NW01933

Network Name

CTMACAO Roaming

Network Country

Macau (People's Republic of China)

Network Bands

CDMA 800

Network ID

NW00042

Network Name

中国联通

Network Country

China

Network Bands

GSM 900 / GSM 1800 / UMTS 900 / UMTS 2100 / LTE 1800 / LTE 2100 / TD-LTE 2300 / TD-LTE 2500 / 5G 2100 / 5G 3500

Network ID

NW01378

Network Name

UNICOM HK

Network Country

Hong Kong

Network Bands

MVNO

Network ID

NW01910

Network Name

HKW

Network Country

Hong Kong

Network Bands

MVNO

Network ID

NW01911

Network Name

CUHK IOT

Network Country

Hong Kong

Network Bands

MVNO