The power light and network lights should turn green or blue.
The or original carrier (e.g., Zain, Telkom, Mobily) of your router? Your current Windows operating system ?
Find the exact firmware matching the "B593s-22" label on the back of your device and re-flash. Safety and Best Practices B593s-22 Multicast upgrade tool.exe
The executable ( .exe ) runs natively on Windows 7, 10, or 11.
Even with careful preparation, things can go wrong. Here are some common issues and potential solutions, compiled from user experiences with this tool: The power light and network lights should turn green or blue
Reverting to older firmware versions to unlock the SIM slot.
: Once the signal bars remain solid or the power light turns green, the process is stopped, and the router is rebooted. Risks and Security Find the exact firmware matching the "B593s-22" label
Connect your PC to the LAN port (port 1 is usually recommended) of the B593s-22. Go to on your computer. Select IPv4 Properties and set: IP Address: Subnet Mask: Gateway: 2. Launch the Multicast Tool
Within 30 to 60 seconds, the signal strength bars on the router will begin to flash sequentially or light up progressively. This visual signal confirms the bootloader has intercepted the multicast stream and is writing the new firmware to the flash memory. Step 5: Complete the Upgrade
Never disconnect the power or LAN cable during the process, as this can permanently damage the device.
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