Firmware List:
| # | Model | Version | Region | OS | Size | |
|---|---|---|---|---|---|---|
| 1 | SM-M307FN | M307FNXXS4CUL1 | MID | R(Android 11) | 3.9 GB | Download |
| 2 | SM-M307FN | M307FNXXU4CUJ2 | MID | R(Android 11) | 3.9 GB | Download |
| 3 | SM-M307FN | M307FNXXU4CUH6 | MID | R(Android 11) | 3.89 GB | Download |
| 4 | SM-M307FN | M307FNXXU4CUF1 | MID | R(Android 11) | 3.82 GB | Download |
| 5 | SM-M307FN | M307FNXXU4CUD3 | MID | R(Android 11) | 3.79 GB | Download |
| 6 | SM-M307FN | M307FNXXS4BTI1 | MID | Q(Android 10) | 3.4 GB | Download |
| 7 | SM-M307FN | M307FNXXU3BTG3 | MID | Q(Android 10) | 3.38 GB | Download |
| 8 | SM-M307FN | M307FNXXS3BTF1 | MID | Q(Android 10) | 3.53 GB | Download |
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