The table lists the current firmware version for each ICR router model — this is not always the newest ICR-OS release. Older hardware platforms and some carrier- or region-specific variants (PTCRB, AT&T, Verizon, T-Mobile US) may have an earlier version as their current firmware. The current ICR-OS release is 6.6.1, released on April 24, 2026.
Info
The Version File (.ver) holds version metadata only and is not needed for a standard update — just download the firmware (.bin).
| Family | Model Name | FW Version | Download Firmware | Version File |
|---|---|---|---|---|
| ICR-1601 | ICR-1601G | eA9 | TBD | TBD |
| ICR-1601W | eA9 | TBD | TBD | |
| ICR-16xx | ICR-1602 | 1.4.6 | TBD | TBD |
| ICR-1642 | 1.4.6 | TBD | TBD | |
| ICR-1645 | 1.4.6 | TBD | TBD | |
| ICR-17xx | ICR-1745 | 1.4.6 | TBD | TBD |
| ICR-2000 | ICR-2031 | 6.6.1 | ICR-203x.bin | |
| ICR-2041 | 6.6.1¹ 6.6.1 (PTCRB) 6.5.2 (AT&T) 6.3.10 (Verizon) | ICR-204x.bin ICR-204x.bin ICR-204x.bin ICR-204x.bin | ||
| ICR-2400 | ICR-2412 | 6.6.1 | ICR-241x.bin | |
| ICR-2431 | 6.6.1 | ICR-243x.bin | ||
| ICR-2432 | 6.6.1 | ICR-243x.bin | ||
| ICR-2436 | 6.6.1 | ICR-243x.bin | ||
| ICR-2437 | 6.6.1 | ICR-243x.bin | ||
| ICR-2438 | 6.6.1 | ICR-243x.bin | ||
| ICR-2441 | 6.6.1¹ 6.6.1 (PTCRB) 6.6.1 (AT&T) 6.3.10 (Verizon) | ICR-244x.bin ICR-244x.bin ICR-244x.bin ICR-244x.bin | ||
| ICR-2452 | 6.6.1 | ICR-245x.bin | ||
| ICR-2500 | ICR-2501 | 6.6.1 | ICR-250x.bin | |
| ICR-2531 | 6.6.1 | ICR-253x.bin | ||
| ICR-2545 | 6.6.1 6.6.1 (PTCRB) 6.6.1 (AT&T) | ICR-254x.bin ICR-254x.bin ICR-254x.bin | ||
| ICR-2600 | ICR-2631 | 6.6.1 | ICR-263x.bin | |
| ICR-2700 | ICR-2701 | 6.6.1 | ICR-270x.bin | |
| ICR-2701-S1 | 6.6.1 | ICR-270x-S1.bin | ||
| ICR-2734 | 6.6.1 | ICR-273x.bin | ||
| ICR-2734-S1 | 6.6.1 | ICR-27xx-S1.bin | ||
| ICR-2800 | ICR-2834 | 6.6.1 | ICR-283x.bin | |
| ICR-2834-S1 | 6.6.1 | ICR-28xx-S1.bin | ||
| SmartStart | SL302 | 6.6.1¹ 6.6.1 (PTCRB) 6.6.1 (AT&T) 6.5.2 (Verizon) | SPECTRE-v3L-LTE-US.bin SPECTRE-v3L-LTE-US.bin SPECTRE-v3L-LTE-US.bin SPECTRE-v3L-LTE-US.bin | |
| SL304 | 6.6.1 | SPECTRE-v3L-LTE.bin | ||
| SL305 | 6.6.1 | SPECTRE-v3L-LTE.bin | ||
| SL306 | 6.6.1 | SPECTRE-v3L-LTE.bin | ||
| SmartFlex | SR300 | 6.6.1 | SPECTRE-v3-ERT.bin | |
| SR303 | 6.6.1 | SPECTRE-v3-LTE.bin | ||
| SR304 | 6.6.1 | SPECTRE-v3-LTE.bin | ||
| SR305 | 6.6.1¹ 6.6.1 (PTCRB) 6.6.1 (AT&T) 6.5.2 (Verizon) | SPECTRE-v3-LTE-US.bin SPECTRE-v3-LTE-US.bin SPECTRE-v3-LTE-US.bin SPECTRE-v3-LTE-US.bin | ||
| SR306 | 6.6.1 | SPECTRE-v3-LTE.bin | ||
| SR307 | 6.6.1 | SPECTRE-v3-LTE.bin | ||
| SR308 | 6.6.1 | SPECTRE-v3-LTE.bin | ||
| SR309 | 6.6.1 | SPECTRE-v3-LTE.bin | ||
| SR310 | 6.6.1¹ 6.6.1 (PTCRB) 6.6.1 (AT&T) 6.3.10 (Verizon) 6.3.9 (T-Mobile US) | SPECTRE-v3-LTE-US.bin SPECTRE-v3-LTE-US.bin SPECTRE-v3-LTE-US.bin SPECTRE-v3-LTE-US.bin SPECTRE-v3-LTE-US.bin | ||
| SmartMotion | ST352 | 6.6.1 | SPECTRE-v3T-LTE.bin | |
| ST355 | 6.6.1 | SPECTRE-v3T-LTE.bin | ||
| ICR-3200 | ICR-3201 | 6.6.1 | ICR-320x.bin | |
| ICR-3211 | 6.6.1¹ 6.6.1 (PTCRB) 6.6.1 (AT&T) 6.5.2 (Verizon) | ICR-321x.bin ICR-321x.bin ICR-321x.bin ICR-321x.bin | ||
| ICR-3231 | 6.6.1 | ICR-323x.bin | ||
| ICR-3232 | 6.6.1 | ICR-323x.bin | ||
| ICR-3241 | 6.6.1¹ 6.6.1 (PTCRB) 6.6.1 (AT&T) 6.3.10 (Verizon) | ICR-324x.bin ICR-324x.bin ICR-324x.bin ICR-324x.bin | ||
| ICR-3241 Rev.2.0 | 6.6.1¹ 6.6.1 (PTCRB) 6.6.1 (AT&T) 6.3.10 (Verizon) 6.3.9 (T-Mobile US) | ICR-324x.bin ICR-324x.bin ICR-324x.bin ICR-324x.bin ICR-324x.bin | ||
| ICR-3241(W)-1ND | 6.5.2 | ICR-324x-1n.bin | ||
| ICR-3831 | ICR-3831 | 6.6.1 | ICR-383x.bin | |
| ICR-4400 | ICR-4401 | 6.6.1 | ICR-440x.bin | |
| ICR-4434 | 6.6.1 | ICR-443x.bin | ||
| ICR-4453 | 6.6.1 | ICR-445x.bin | ||
| ICR-4461 | 6.6.1¹ 6.6.1 (PTCRB) 6.6.1 (AT&T) | ICR-446x.bin ICR-446x.bin ICR-446x.bin | ||
| ICR-4461(xx)-1ND | 6.6.1 (PTCRB) 6.6.1 (AT&T) | ICR-446x-1n.bin ICR-446x-1n.bin | ||
| ICR-4100 | ICR-4133 | 6.6.1 | ICR-413x.bin | |
| ICR-4161 | 6.6.1 | ICR-416x.bin | ||
| ICR-4171 | 6.6.1 (PTCRB) 6.6.1 (AT&T) | ICR-417x.bin ICR-417x.bin | ||
| ICR-4172 | 6.6.1 6.6.1 (PTCRB) 6.6.1 (AT&T) 6.5.4 (Verizon) | ICR-417x.bin ICR-417x.bin ICR-417x.bin ICR-417x.bin | ||
| ICR-4200 | ICR-4233 | 6.6.1 | ICR-423x.bin | |
| ICR-4261 | 6.6.1 | ICR-426x.bin | ||
| ICR-4271 | 6.6.1 (PTCRB) 6.6.1 (AT&T) | ICR-427x.bin ICR-427x.bin | ||
| ICR-4272 | 6.6.1 6.6.1 (PTCRB) 6.5.4 (AT&T) 6.5.4 (Verizon) | ICR-427x.bin ICR-427x.bin ICR-427x.bin ICR-427x.bin | ||
| Spectre v2 | SPECTRE RT | 6.3.12 | SPECTRE-RT.bin | |
| Conel v2 | ER75i v2 | 6.3.12 | ER75i-v2.bin | |
| UR5i v2 | 6.3.12 | UR5i-v2.bin | ||
| XR5i v2 | 6.3.12 | XR5i-v2.bin | ||
| LR77 v2 | 6.3.12 | LR77-v2.bin | ||
| CR10 v2 | 6.3.11 | CR10-v2.bin | ||
| UR5i v2L | 6.3.12 | UR5i-v2L.bin | ||
| RR75i v2 | 6.3.12 | RR75i-v2.bin | ||
| LR77 v2L | 6.3.12 | LR77-v2L.bin | ||
| XR5i v2E | 6.3.12 | XR5i-v2E.bin | ||
| BIVIAS v2HC | 6.3.11 | BIVIAS-v2HC.bin | ||
| BIVIAS v2LC | 6.3.11 | BIVIAS-v2LC.bin | ||
| BIVIAS v2LL | 6.3.11 | BIVIAS-v2LL.bin | ||
| BIVIAS v2LH | 6.3.11 | BIVIAS-v2LH.bin | ||
| BIVIAS v2HH | 6.3.11 | BIVIAS-v2HH.bin |
Note: ¹ – Not certified for authorities stated in the rows below.