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Firmware SC52BOMU1EZB1

Device Galaxy S21 Ultra 5G

Model SC-52B

Region DCM

Country JP

OS Android 15

Release Date 2/12/2026

Upload Date 3/18/2026

PDA SC52BOMU1EZB1

CSC SC52BDCM1EZB1

Changelist 30959686

Size 8655647200 bytes (approx. 8.1 GB)

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DCM CSC Breakdown

Network ID

NW00875

Network Name

NTT DOCOMO

Network Country

Japan

Network Bands

UMTS 850 / UMTS 2100 / LTE 700 / LTE 850 / LTE 1500 / LTE 1800 / LTE 2100 / TD-LTE 3500 / 5G 3500 / 5G 4700 / 5G 28000