If your router is connected to the internet and currently on the v6 Long-Term branch: Open and log in to your router. Navigate to System -> Packages . Click on Check For Updates . Change the Channel dropdown menu to Long-term . If version 6.48.6 is available, click Download & Install .
The easiest way to upgrade is by dragging the .npk file into the WinBox "Files" window and rebooting.
Upgrading to 6.48.6 can be done through the Winbox interface or the command line interface (CLI). Method 1: Using Winbox (Recommended) Download the for your device. Open Winbox and connect to your router. Open the "Files" menu. Drag and drop the downloaded .npk file into the file list. Go to "System" > "Reboot" . The router will upgrade during the reboot. Method 2: Automatic Upgrade
The router will reboot automatically and apply the older software version. Mikrotik 6.48.6 Download
: Zero feature overhead ensures memory and CPU usage remain completely predictable over months of continuous uptime.
If your device is not booting or you need a clean flash, use the alongside the 6.48.6 binary package to perform a clean installation. Essential Precautions Before Upgrading
You will see several download options. Choose the one that matches your hardware or installation method: If your router is connected to the internet
Drag and drop the .backup file onto your local computer storage.
The router will restart, apply the firmware update, and boot back up running version 6.48.6. Step 4: Update the RouterBOARD Firmware (Bios)
Select the correct architecture for your device (e.g., arm , arm64 , mipsbe , x86 ). Change the Channel dropdown menu to Long-term
If your router has direct internet access, you can bypass manual downloading: Navigate to -> Packages . Click Check For Updates . Change the Channel dropdown menu to Long-term .
: Restrict management access solely to the internal local area network (LAN) interface list. Block all external WAN side hits to your configuration services.