Mostly for my own reference here’s how the BlackBerry bundle numbers you see in ‘Add/Remove programs’ correspond to the various maintenance releases and hotfixes:
Updated 13th April 2014
| Version | Bundle |
| 5.0 | 223 |
| 5.0 MR1 | 236 |
| 5.0 MR2 | 244 |
| 5.0 MR3 | 255 |
| 5.0 MR4 | 267 |
| 5.0.1 (Service Pack 1) | 70 |
| 5.0.1 MR1 | 82 |
| 5.0.1 MR2 | 117 |
| 5.0.1 MR3 | 139 |
| 5.0.2 (Service Pack 2) | 36 |
| 5.0.2 MR1 | 51 |
| 5.0.2 MR2 | 96 |
| 5.0.2 MR3 | 119 |
| 5.0.2 MR4 | 133 |
| 5.0.2 MR5 | 146 |
| 5.0.3 (Service Pack 3) | 33 |
| 5.0.3 | 33 |
| 5.0.3 MR1 | 41 |
| 5.0.3 MR2 | 53 |
| 5.0.3 MR3 | 93 |
| 5.0.3 MR4 | 107 |
| 5.0.3 MR5 | 143 |
| 5.0.3 MR6 | 163 |
| 5.0.3 MR7 | 227 |
| 5.0.3 MR8 | 256 |
| 5.0.4 (Service Pack 4) | 38 |
| 5.0.4 MR1 | 52 |
| 5.0.4 MR2 | 70 |
| 5.0.4 MR3 | 86 |
| 5.0.4 MR4 | 100 |
| 5.0.4 MR5 | 116 |
| 5.0.4 MR6 | 128 |
| 5.0.4 MR7 | 160 |
Service Pack 4 Maintenance Release 7 is dated 9th April 2014. The minimum requirement to install this remains the same: the server must be running at least v 5.0.4 (bundle 38).