The Huawei B593s-22 is a 4G LTE CPE router. It supports multicast firmware upgrade – a method where firmware is broadcast over the local network via UDP multicast, and the router listens for it in a special recovery/bootloader mode.
The tool toolexe (or variants like multicast_upgrade_tool.exe) is a Windows-based utility that sends the firmware image to the router over multicast.
b593s22_upgrade_tool.exe --mode multicast ^
--mcast-group 239.255.10.99 ^
--port 7000 ^
--interface "Eth0" ^
--ttl 32 ^
--firmware "HGW_B593s22_V100R001C00SPC100.bin" ^
--rate-limit 5000 ^
--retry-count 3 ^
--timeout 300 ^
--log "C:\isp_logs\b593_upgrade_$(date).csv"
Optional flags:
Before executing the tool, verify:
# 1. Ensure all B593s22 are on same VLAN and IGMP snooping is enabled
show igmp snooping vlan 100
Fix: Your NAND flash has bad blocks. The tool should skip them. If it aborts, you need a different version of toolexe (one with "Skip Bad Block" feature).
NEVER interrupt the ToolExe during the [WRITING_NAND] phase (after 95%). The B593s22 has no bootloader recovery via LAN if the primary u-boot is corrupted. Always use a UPS on both the technician's PC and the switch stack. Keep a serial-to-TTL adapter (3.3V, baud 115200) on hand to debrick via tftp 0x81000000 in U-Boot console.
This content is for educational and internal ISP use. Reverse engineering the B593s22 bootloader may violate local laws and Huawei's EULA.
This is a Windows executable tool (often named Huawei_Flash_Tool.exe, Balong_USB_Downloader.exe, or specifically b593_flasher.exe). This tool bypasses the standard web GUI upgrade (which refuses unsigned or unofficial firmware) and writes the bootloader and system image directly to the NAND flash memory via a backdoor USB serial mode.
The "toolexe" is crucial. You cannot perform a multicast upgrade using the 192.168.1.1 web interface. You must use this low-level executable.
Fix: You flashed the wrong firmware (e.g., B593s12 firmware on s22). You need to perform a recovery flash using the same toolexe but with the official stock firmware first, then retry the multicast version.
B593s22 Multicast Upgrade Toolexe
The Huawei B593s-22 is a 4G LTE CPE router. It supports multicast firmware upgrade – a method where firmware is broadcast over the local network via UDP multicast, and the router listens for it in a special recovery/bootloader mode.
The tool toolexe (or variants like multicast_upgrade_tool.exe) is a Windows-based utility that sends the firmware image to the router over multicast.
b593s22_upgrade_tool.exe --mode multicast ^
--mcast-group 239.255.10.99 ^
--port 7000 ^
--interface "Eth0" ^
--ttl 32 ^
--firmware "HGW_B593s22_V100R001C00SPC100.bin" ^
--rate-limit 5000 ^
--retry-count 3 ^
--timeout 300 ^
--log "C:\isp_logs\b593_upgrade_$(date).csv"
Optional flags:
Before executing the tool, verify:
# 1. Ensure all B593s22 are on same VLAN and IGMP snooping is enabled
show igmp snooping vlan 100
Fix: Your NAND flash has bad blocks. The tool should skip them. If it aborts, you need a different version of toolexe (one with "Skip Bad Block" feature). b593s22 multicast upgrade toolexe
NEVER interrupt the ToolExe during the [WRITING_NAND] phase (after 95%). The B593s22 has no bootloader recovery via LAN if the primary u-boot is corrupted. Always use a UPS on both the technician's PC and the switch stack. Keep a serial-to-TTL adapter (3.3V, baud 115200) on hand to debrick via tftp 0x81000000 in U-Boot console.
This content is for educational and internal ISP use. Reverse engineering the B593s22 bootloader may violate local laws and Huawei's EULA. The Huawei B593s-22 is a 4G LTE CPE router
This is a Windows executable tool (often named Huawei_Flash_Tool.exe, Balong_USB_Downloader.exe, or specifically b593_flasher.exe). This tool bypasses the standard web GUI upgrade (which refuses unsigned or unofficial firmware) and writes the bootloader and system image directly to the NAND flash memory via a backdoor USB serial mode.
The "toolexe" is crucial. You cannot perform a multicast upgrade using the 192.168.1.1 web interface. You must use this low-level executable. Optional flags:
Before executing the tool, verify:
# 1
Fix: You flashed the wrong firmware (e.g., B593s12 firmware on s22). You need to perform a recovery flash using the same toolexe but with the official stock firmware first, then retry the multicast version.
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