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Firmware Guidance

Model-specific IceRiver firmware support.

Use this page as the firmware entry point for IceRiver KAS, ALPH, RXD, and ALEO miners. Confirm the exact model, verify the local plus any vendor-published file details, and update one device first.

Download firmwareOpen ICERIVER firmware portal

Important - read before flashing

Installing firmware intended for the wrong model can disable the miner, void the warranty, or create unstable operation. Always read the exact hardware name in the device web interface and match the firmware filename (for example ICERIVER-KAS-KS3-yyyymmdd) before upgrading.

-source warning ? checked September 4, 2026

ICERIVER currently tells customers to download firmware only from its website and not to use unmanufacturer sources. Files hosted on ice-river.net are historical third-party mirrors, may be outdated, and are not recommended for flashing. ICERIVER also says that if a miner is operating normally, a firmware update is not recommended.

firmware mirror

Firmware ZIP files in this section were downloaded from public ICERIVER file.iceriver.io links and stored unchanged under /download/firmware/. Verify the model code and file details before flashing.

Firmware mirror status — reviewed August 6, 2026

Local links are version-specific historical archives, not an automatically updated latest-release feed. The ICERIVER portal lists newer entries, including AL2 LITE 20260621, that are not mirrored here. Check the ICERIVER portal first when you need the newest firmware.

Per-model firmware downloads

Pick the package that matches the exact model name shown inside your miner's web interface. Public ICERIVER firmware archives are mirrored locally on this site for faster access; each card keeps the original ICERIVER source URL and file details.

Do not flash a guessed or third-party firmware file. If a direct archive is not listed for your unit, use the ICERIVER firmware download portal and verify the file details there.

Need the very latest build?

The ICERIVER firmware download page lists the newest signed firmware. Open it in a new tab to grab the most recent release for your model and verify the file details.

Open ICERIVER firmware portal

Supported series

Verified specifications for the IceRiver kHeavyHash/Kaspa, Blake3/Alephium, Sha512256d/Radiant, and zkSNARK/Aleo families.

KS0KS0 ProKS0 UltraKS1KS2KS2 LiteKS3KS3LKS3MKS5LKS5MKS7 LiteKS7AL0AL2 LiteAL3RX0AE0AE1 LiteAE3
ModelAlgorithmCoinHashratePowerEfficiencyReleased
KS0kHeavyHashKaspa100 GH/s65 W0.65 J/GH2023-09
KS0 ProkHeavyHashKaspa200 GH/s100 W0.5 J/GH2023-11
KS0 UltrakHeavyHashKaspa400 GH/s100 W0.25 J/GH2024-05
KS1kHeavyHashKaspa1 TH/s600 W0.6 J/GH2023-09
KS2kHeavyHashKaspa2 TH/s1200 W0.6 J/GH2023-09
KS2 LitekHeavyHashKaspa1.6 TH/s1000 W0.625 J/GH2024-04
KS3kHeavyHashKaspa8 TH/s3200 W0.4 J/GH2023-09
KS3LkHeavyHashKaspa5 TH/s3400 W0.68 J/GH2024-02
KS3MkHeavyHashKaspa6 TH/s3400 W0.567 J/GH2024-02
KS5LkHeavyHashKaspa12 TH/s3400 W0.283 J/GH2024-07
KS5MkHeavyHashKaspa15 TH/s3400 W0.227 J/GH2024-07
KS7 LitekHeavyHashKaspa4.2 TH/s500 W0.119 J/GH2025-04
KS7kHeavyHashKaspa30 TH/s3500 W0.117 J/GH2025-04
AL0Blake3Alephium400 GH/s100 W0.25 J/GH2024-08
AL2 LiteBlake3Alephium2 TH/s500 W0.25 J/GH2024-12
AL3Blake3Alephium15 TH/s3500 W0.233 J/GH2025
RX0Sha512256dRadiant RXD260 GH/s100 W0.385 J/GH2024-09
AE0zkSNARKAleo60 MH/s100 W1.67 J/MH2025-03
AE1 LitezkSNARKAleo300 MH/s500 W1.67 J/MH2025
AE3zkSNARKAleo2 GH/s3400 W1.7 J/MH2026

Pre-update checklist

  • Confirm the exact device model and current firmware version inside the web interface.
  • Download firmware only from IceRiver source locations. Do not use third-party firmware - it voids warranty and can damage hardware.
  • Verify the file details of the downloaded firmware archive matches the one published with the release.
  • Use stable power and uninterrupted Ethernet during the entire upgrade process.
  • If you operate many miners, upgrade one first and confirm 24-hour stability before rolling out to the rest.
  • If the miner is functioning correctly, IceRiver does not recommend updating firmware - flashing does not increase hashrate.

Safe firmware upgrade process

Follow these six steps to upgrade IceRiver firmware without bricking the device or losing pool configuration.

  1. Backup pool configuration: note pool URLs, worker names, and passwords before flashing.
  2. Identify the model: read the model code (KS3, KS5L, AE0, etc.) and current firmware build inside the device web interface.
  3. Download the matching firmware ZIP from an IceRiver source location. Verify the local and any file details published by the vendor.
  4. Unzip the file - the resulting firmware will have a .bgz extension.
  5. In the miner web interface, open Firmware Upgrade and select the .bgz file. Do not power off or unplug Ethernet during the upgrade.
  6. After the device reboots, log in, confirm the new firmware version, re-enter pool settings if needed, and monitor the hashrate for 24 hours.

Latest firmware references by model

Verify your model and only download from a trusted source. The reference codes below match the current naming convention used by ICERIVER (ICERIVER-[ALGO]-[MODEL]-[YYYYMMDD]).

ModelLatest referenceHighlightsDownload
KS0ICERIVER-KAS-KS0-20230916Vendor firmware reference available from file.iceriver.io..zip
KS0 ProICERIVER-KAS-KS0 PRO-20231201Vendor firmware reference available from file.iceriver.io..zip
KS0 UltraICERIVER-KAS-KS0 ULTRA-20240706Resolved hashboard dropping at low and normal temperature; common bug fixes..zip
KS1ICERIVER-KAS-KS1-20230916Vendor firmware reference available from file.iceriver.io..zip
KS2ICERIVER-KAS-KS2-20230916Vendor firmware reference available from file.iceriver.io..zip
KS2 LiteICERIVER-KAS-KS2 LITE-20241109Stability improvements for KS2 Lite hashboards..zip
KS3ICERIVER-KAS-KS3-20230916Improved web interface, miscellaneous fixes..zip
KS3LICERIVER-KAS-KS3L-20240201Improved web interface, miscellaneous fixes..zip
KS3MICERIVER-KAS-KS3M-20240201Improved web interface, miscellaneous fixes..zip
KS5LICERIVER-KAS-KS5L-20240706Resolved hashboard dropping at low and normal temperature; common bug fixes..zip
KS5MICERIVER-KAS-KS5M-20240706Resolved hashboard dropping at low and normal temperature; common bug fixes..zip
AE0ICERIVER-ALEO-AE0-20250501Initial Aleo zkSNARK release for the AE0 platform..zip

Reference filenames change as IceRiver publishes new builds. Always cross-check against the ICERIVER firmware download page before flashing.

Video tutorials

IceRiver video walkthroughs

Watch hands-on video guides covering setup, miner discovery, firmware updates, and full reviews of IceRiver ASIC miners.

IceRiver KS3M full review and setup walkthrough

End-to-end review of the IceRiver KS3M Kaspa miner: unboxing, hashrate verification, web interface and pool configuration.

IceRiver KS series setup overview

Quick visual guide to the IceRiver setup workflow: discover the miner IP, log in, set the pool, and verify mining.

IceRiver MinerTool batch utility demo

Walkthrough of IceRiver MinerTool for scanning, configuring, and managing fleets of KS series ASIC miners.

IceRiver firmware update best practices

Step-by-step demonstration of safely applying IceRiver firmware to KS series miners with stability checks.