Firmware List:
| # | Model | Version | Region | OS | Size | |
|---|---|---|---|---|---|---|
| 1 | SM-T550 | T550XXU1CQJ6 | FNC | Nougat(Android 7.1.1) | 1.35 GB | Download |
| 2 | SM-T550 | T550XXU1BPK1 | FNC | Marshmallow(Android 6.0.1) | 1.34 GB | Download |
| 3 | SM-T550 | T550XXU1BPG2 | FNC | Marshmallow(Android 6.0.1) | 1.55 GB | Download |
| 4 | SM-T550 | T550XXU1AOJ1 | FNC | Lollipop(Android 5.0.2) | 1.24 GB | Download |
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