Home / Firmware / SM-G991U1 / PCT
Device Galaxy S21 5G
Model SM-G991U1
Region PCT
Country 
Puerto Rico
OS Android 15
Release Date 9/7/2025
Upload Date 9/29/2025
PDA G991U1UESHHYI2
CSC G991U1OWAHHYI2
Changelist 30959686
Size 8073026720 bytes (approx. 7.5 GB)
Puerto Rico
