Firmware List:
| # | Model | Version | Region | OS | Size | |
|---|---|---|---|---|---|---|
| 1 | SM-M307F | M307FXXU4CVJ1 | BKD | R(Android 11) | 4.17 GB | Download |
| 2 | SM-M307F | M307FXXS4CUL2 | BKD | R(Android 11) | 4.12 GB | Download |
| 3 | SM-M307F | M307FXXU4CUI1 | BKD | R(Android 11) | 4.12 GB | Download |
| 4 | SM-M307F | M307FXXU4CUAG | BKD | R(Android 11) | 4.05 GB | Download |
| 5 | SM-M307F | M307FXXU3BTG1 | BKD | Q(Android 10) | 3.55 GB | Download |
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