The BlackBerry 9790, part of Research In Motion’s (RIM) bold 2011–2012 lineup, combined a compact touchscreen with a classic QWERTY keyboard and BlackBerry OS 7. Over time owners may seek an “updated flash file” — a firmware or OS image used to restore, upgrade, or reflash the device. An updated flash file can be useful for several concrete reasons: fixing software issues, restoring a bricked handset, removing persistent bugs introduced by third-party apps, or returning to a clean factory state before resale. Because the 9790 is discontinued, community-maintained or archived flash files are often the only way to apply fixes or revert to stable OS versions.
Since BlackBerry OS files are no longer hosted officially: blackberry 9790 flash file updated
Risks and limitations
Many websites host outdated versions like 7.1.0.523 or 7.1.0.746. These are not "updated." Below is the verified chronological list of final releases for the BlackBerry 9790 (device codename: Bellagio ): The BlackBerry 9790, part of Research In Motion’s
| Device | BlackBerry 9790 | |--------|----------------| | Codename | Bellagio | | Platform | BlackBerry OS 7.1 (based on QNX hybrid kernel) | | Processor | 1 GHz Marvell Tavor MG1 | | RAM | 768 MB | | Storage | 8 GB internal (approx. 6 GB user-accessible) | | Display | 2.45” 480×360 TFT | | Network | 3G (HSDPA, HSUPA) | 6 GB user-accessible) | | Display | 2