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AC12(EU)_V3_1.11.4 Build 260310_HU(Multi-language)
2026-04-24
Notes:
1. First firmware release.
2. For AC12(EU) V3 Hungarian users only.
AC12(US)_V3_1.11.3 Build 250917_CA(Multi-language)
2026-02-28
Modifications and Bug Fixes:
1. Fixed the bug that causes PPPoE dial-up failure in certain case.
2. Enhanced system stability.
AC12(US)_V3_1.11.2 Build 241224 CA(Multi-language)
2026-02-28
Notes:
| First firmware release. |
- What can I do if I forgot the login password of the MERCUSYS Wireless Router?
- Why can't I log in to the web management utility of the MERCUSYS device?
- How to configure the MERCUSYS Wireless Router as a wireless Access Point
- Why port forwarding feature is not working on my router?
- How to log in to the web management page of MERCUSYS Wireless Router
- How to find or change the wireless network name and password on the MERCUSYS Wireless AC Router?
- How do I open ports on the MERCUSYS Wireless AC Router?
- How to configure Access Control on the MERCUSYS Wireless AC Router?
- How to configure Parental Control on the MERCUSYS Wireless AC Router?
- How to configure IP & MAC binding on the MERCUSYS Wireless AC Router?
- What should I do if internet speed is slow when the device is connected to the Mercusys router?
- What should I do if I cannot access the internet through Mercusys Wi-Fi router?
- What should I do if my SSID disappeared of Mercusys router?
- Changing channel and channel width on a MERCUSYS Wi-Fi router
- What should I do if internet connection is not stable when the device is connected to Mercusys router?
- What should I do if only one specific device cannot work with Mercusys router?
- How to find the Model number, Serial number and Hardware version on a MERCUSYS device
- How to upgrade a MERCUSYS device to the latest firmware
- How to change wireless settings of a Wi-Fi router on MERCUSYS app
- How to setup MERCUSYS Wi-Fi Router on the MERCUSYS App
- How to setup Parental Controls on MERCUSYS Wireless Router using the MERCUSYS app
- What if I fail to log into my MERCUSYS product on MERCUSYS App?
- How to find the firmware version on a MERCUSYS device
- How to check the associated/link speed on a client
- How to Change the DNS servers on the Mercusys wireless router
- Troubleshooting: Unstable connection on the MERCUSYS router
- What should I do if my internet connection is slow?
- How to place your Mercusys wireless router for optimal reception and performance
- Port forwarding: how to set up virtual server on MERCUSYS Wi-Fi router?
- How to create a network for guests on the MERCUSYS Wi-Fi Routers
- How to set up MERCUSYS Wi-Fi Router via the web management page
- How to connect to a wireless network of MERCUSYS router
- How to set up System Time of the Wi-Fi Routers
- How to set up Remote Management on the Wi-Fi Routers
- How to find or change the wireless password on the MERCUSYS Wi-Fi router
- How to find network passwords on Windows, Mac, and phones
- How to remove network profile or forget network on Windows, Mac, phones
- How to configure Address Reservation on MERCUSYS Router
- How to set up QoS on MERCUSYS Router
- How to set up Wireless Schedule on your MERCUSYS Router
- What is the MERCUSYS Smart Connect feature, and how can it be enabled?
- How to create Static Routing on MERCUSYS Routers
- How to configure IPTV function on MERCUSYS router
- How to setup Port Triggering on a MERCUSYS router
- Why does MERCUSYS require my email address?
- How to delete a network on the MERCUSYS App
- How to delete an offline device on the MERCUSYS App
- How to make Xbox online games run smoothly by UPnP
- How to make applications free from port restriction by DMZ
- How to configure PPTP/L2TP VPN connection on your router
- How to choose the right MERCUSYS product for your internet service
- Should I use Dynamic IP or PPPoE?
- How to use firmware recovery when your MERCUSYS Router becomes brick
- How to collect system log of MERCUSYS App
- How do I configure MAC Address Clone on my MERCUSYS Router?
- Getting to know your MERCUSYS App
- What can I do if my MERCUSYS device keeps rebooting itself?
- Troubleshooting Guide of DDNS function on MERCUSYS Router or Halo
- How to set up an IPv6 Internet connection on the MERCUSYS Wi-Fi Router
- What can I do if I fail to access mwlogin.net?
- What should I do if fail to upgrade the firmware of my MERCUSYS Router?
- What should I do if only some of websites cannot be accessed on MERCUSYS Router?
- What should I do if the WAN port light is off or there is an error message “WAN Port Unplugged” on the MERCUSYS router webpage?
- What should I do if I cannot access the Internet through MERCUSYS router?
- Why isn’t my Wi-Fi as fast as advertised?
- Why is a device displayed as an unknown device on the MERCUSYS App?
- What can I do if my deivce cannot find my wireless networks?
- Why do I receive a "We Noticed a New Login" email?