Please note: this chart is only for US versions of Solis inverters
Click on the DSP or HMI version to see the update process article
At the bottom of each article is where the firmware files can be found and downloaded
| Solis Inverter Series | Power Size | DSP Version | HMI Version |
| Solis-1P(3.6-6K2)-4G-US | 3K | 37 | 4F |
| 3.6K | 37 | 4F | |
| 4K | 37 | 4F | |
| 4.6K | 37 | 4F | |
| 5K | 37 | 4F | |
| 6K2 | 37 | 4F | |
| Solis-1P(6-10K)-4G-US | 6K | 23 | 43 |
| 7K | 23 | 43 | |
| 7.6K | 23 | 43 | |
| 8K | 23 | 43 | |
| 9K | 23 | 43 | |
| 10K | 23 | 43 | |
| RHI-1P(5-10)K-HVES-5G-US | 5K | 0B | 0C |
| 6K | 0B | 0C | |
| 7K | 0B | 0C | |
| 7.6K | 0B | 0C | |
| 8K | 0B | 0C | |
| 9K | 0B | 0C | |
| 10K | 0B | 0C | |
| Solis-(25-40)K-4G-US | 25K | 38 | 3D |
| 30K | 38 | 3D | |
| 36K | 38 | 3D | |
| 36K (fanless) | 3B | 3D | |
| 40K | 38 | 3D | |
| 40K (fanless) | 3B | 3D | |
| Solis-(50-66)K-4G-US | 50K | 3B | 3E |
| 60K | 3B | 3E | |
| 66K | 3B | 3E | |
| Solis-(75-100)K-5G-US | 75K | 26 | 1F |
| 80K | 26 | 1F | |
| 90K | 26 | 1F | |
| 100K | 26 | 1F | |
| Solis-125K-EHV-5G | 125K | 24 | 07 |
| Solis-(185-255)K-EHV-5G | 185K | F7 | 07 |
| 255K | 09 | ||