| 6600f (RM-325) | Version | 04.65 v12 | Download  | |
| 6600f (RM-325) | Version | 04.80 v14 | Download | |
| 6600f (RM-325) | Version | 05.23 v15 (Global) | Download | |
| 6600f (RM-325) | Version | 05.23 v15.2 | Download | |
| 6600f (RM-325) | Version | 05.60 v16 (Global) | Download | |
| 6600f (RM-325) | Version | 05.60 v17 (Global) | Download | |
| 6600f (RM-325) | Version | 05.60 v17 (Vodafone) | Download | |
| 6600f (RM-325) | Version | 06.18 v18 (Global) | Download | |
| 6600f (RM-325) | Version | 06.18 v20 (Global) | Download | |
| 6600f (RM-325) | Version | 06.20 v21 (Global) | Download |
