| Radio Model | Bulletin # | Release Date | Description | |
| AMX105A | TSB-242 | 11/15/1999 | Microphone Hang-up Button | Download |
| APX140PS & APX141PS | TSB-245 | 1/17/2001 | Uniden AC Adapters | Download |
| AT280, AT281 | TSB-237 | 3/5/1998 | Antenna Center Pin Breakage | Download |
| AT280, AT325, AT281, AT326 | TSB-237A | 3/13/2000 | Antenna Center Pin Breakage | Download |
| BDEY2923001 | TSB-236 | 8/22/1998 | Part Substitution | Download |
| IMH4100DT | TSB-243 | 1/5/2000 | Receiver Front End Overload | Download |
| IMH4100DT / IMU3100KT | TSB-233A | 12/30/1997 | Receiver Front-End RF Overloading | Download |
| IMH4100DT Mobile | TSB-232 | 11/12/1995 | Spurious RF frequencies | Download |
| Mitsubishi Power Module | TSB-002 | 6/14/2001 | BMOY013800 | Download |
| SMH1525 - SMU4525 | TSB-248 | 4/11/2002 | Dwell Time Disables Monitor Function | Download |
| SMH1525DT, SMU4525KT | TSB-227 | 12/5/1994 | Modification to Monitor Function | Download |
| SMH250 | TSB-249 | 11/14/2002 | Parts Correction in Service Manual | Download |
| SMS301TSD, SMS316TSD, SMS318ED | TSB-241 | 4/8/1999 | Microphone Gain | Download |
| SMU250KTST | TSB-244 | 1/12/2001 | DTMF and Function Tones | Download |
| SMU250KTST | TSB-246 | 4/11/2002 | Trident Controlled Trunking Systems | Download |
| SMU250KTST | TSB-247 | 6/14/2001 | Alternator Whine/ PTT Popping | Download |
| Software | TSB-000 | 9/29/2000 | Programming Software Versions | Download |
| SPH155, SPU454, SPS801/802 | TSB-235 | 11/20/1996 | Parts Replacement | Download |
| SPH155DT, SPU454KT, SPS801TS, SPS802TS, SPS801TSE, SPS802TSE | TSB-239 | 3/19/1999 | Improved Battery Contacts | Download |
| SPH516D, SPU416K | TSB-240 | 3/31/1999 | Replacement Parts | Download |
| SPS801TS, SPS802TS, SPS801TSE, SPS802TSE | TSB-238 | 3/11/1999 | SUB PCB ASSEMBLY | Download |
