Firmware List:
# Model Version Region OS Size
1 SM-J400F J400FXXS9CVE4 STH Q(Android 10) 2.56 GB Download
2 SM-J400F J400FXXU8CUF5 STH Q(Android 10) 2.55 GB Download
3 SM-J400F J400FXXS8CUD4 STH Q(Android 10) 2.55 GB Download
4 SM-J400F J400FXXS6BTE1 STH Pie(Android 9) 2.45 GB Download
5 SM-J400F J400FXXU2ARJ7 STH Oreo(Android 8.0.0) 2.19 GB Download
6 SM-J400F J400FXXU2ARH1 STH Oreo(Android 8.0.0) 2.15 GB Download