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| File | Type | Size | Updated | |
|---|---|---|---|---|
| SR-220H4K_V2.22(23018)_18062026.bin | BIN | 9.8 MB | 18 Jun 2026 | Download |
| SR-220H4K_V2.23(23147)_26062026.bin | BIN | 9.8 MB | 29 Jun 2026 | Download |
| SR-220H4K_V2.25(23419)_10072026.bin | BIN | 9.8 MB | 10 Jul 2026 | Download |
| SR-220H4K_V2.26(23536)_16072026.bin | BIN | 9.8 MB | 17 Jul 2026 | Download |
| SR-220H4K_V2.27(23682)_23072026.bin | BIN | 9.8 MB | 24 Jul 2026 | Download |
| SR-220H4K_V2.28(23887)_05082026.bin | BIN | 9.8 MB | 06 Aug 2026 | Download |
| SR-220H4K_V2.29(24205)_21082026.bin | BIN | 9.8 MB | 21 Aug 2026 | Download |