Firmware List:
| # | Model | Version | Region | OS | Size | |
|---|---|---|---|---|---|---|
| 1 | SM-T550 | T550XXU1CQJ6 | ROM | Nougat(Android 7.1.1) | 1.38 GB | Download |
| 2 | SM-T550 | T550XXU1BPK1 | ROM | Marshmallow(Android 6.0.1) | 1.36 GB | Download |
| 3 | SM-T550 | T550XXU1BPE1 | ROM | Marshmallow(Android 6.0.1) | 1.52 GB | Download |
| 4 | SM-T550 | T550XXU1AOJ1 | ROM | Lollipop(Android 5.0.2) | 1.2 GB | Download |
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