Samsung Galaxy S21 (SM-G991B) - CHO - G991BXXSHHYJ1 firmware

Country
Model	SM-G991B
Product Code	CHO
Security Patch	2025-10-01
OS Version	Android 15
PDA	G991BXXSHHYJ1
CSC	G991BOXMHHYJ1
Build Date	2025-10-2
Changelist	30959686

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