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Firmware W2021ZCU2EVL8

Device 三星W21 5G

Model SM-W2021

Region CHC

Country  China

OS Android 13

Release Date 12/21/2022

Upload Date 1/5/2023

PDA W2021ZCU2EVL8

CSC W2021CHC2EVL8

Changelist 492536

Size 7865125290 bytes (approx. 7.3 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
Network ID
NW02147
Network Name
中国广电
Network Country
 China
Network Bands
LTE 1800 / LTE 900 / TD-LTE 1900 / TD-LTE 2300 / 5G 700 / 5G 2500