Firmware List:
| # | Model | Version | Region | OS | Size | |
|---|---|---|---|---|---|---|
| 1 | SM-M307FN | M307FNXXS4CVJ1 | SER | R(Android 11) | 4.23 GB | Download |
| 2 | SM-M307FN | M307FNXXS4CUL1 | SER | R(Android 11) | 4.22 GB | Download |
| 3 | SM-M307FN | M307FNXXU4CUJ2 | SER | R(Android 11) | 4.22 GB | Download |
| 4 | SM-M307FN | M307FNXXU4CUH6 | SER | R(Android 11) | 4.21 GB | Download |
| 5 | SM-M307FN | M307FNXXU4BTL2 | SER | Q(Android 10) | 3.71 GB | Download |
| 6 | SM-M307FN | M307FNXXU3BTG3 | SER | Q(Android 10) | 3.69 GB | Download |
| 7 | SM-M307FN | M307FNXXS3BTF1 | SER | Q(Android 10) | 3.83 GB | Download |
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