How to hide WiFi signals on a Mercury router? After scanning the backend, you won't find the word "hidden"; the switch is actually called wireless broadcasting

downstairs at the print shop connected my WiFi to my WiFi proficiency, and the master key was still boldly displaying a share. I decided to hide the WiFi name of the Mercury D191G at home so no one could find it. But after searching in the background for about ten minutes, I couldn't find a button with the word "hidden"—only then did I realize Mercury's switch wasn't called hidden at all.

the biggest pitfall: Mercury doesn't have the word "hidden" in the backend

Mercury's official name is 'wireless broadcasting.' The logic is exactly the opposite of what you think: WiFi names are usually "broadcast" by routers, so phones within dozens of meters can receive them, so they can be found; If you turn off this broadcast and stop sending your name out, other people's devices will naturally be unable to find it.

the new interface (most cloud routers bought in recent years have been the same): enter melogin.cn in your browser (if it won't open, check this article to troubleshoot melogin.cn troubleshooting ), log in to the backend, then click Advanced Settings → Wireless Settings 2.4G (or 5G Wireless Settings) → Master Network , then set " Uncheck the box before 'Enable Wireless Broadcasting' and just save. On some models, this menu is called "Wi-Fi Settings" instead of "Wireless Settings," and the content inside is the same.

the old interface (my 2017 MAC1200R old machine): After logging in, go Wireless Settings → Basic Settings , uncheck "Enable SSID Broadcast," save it, and restart the router. Look, the old interface is also called SSID Broadcast, and the names of the two generations don't match. No wonder first-time users are confused.

How to determine which interface your device is: After logging in, look to the left. The new interface shows icons and cards, and on the homepage, you can see a small avatar of connected devices; The old interface was just a list of plain text menus in gray and white, like software from ten years ago. The two interfaces share similar functions, except the menu names have been updated. If you're really unsure, open both—check both places, and the one that appears in front of you is the one you'll get.

App thing to add: changing WiFi names and passwords in the Mercury WiFi app is fine, but the wireless broadcast switch isn't even included in many firmware apps. If you can't find it, don't force it—go back to the webpage backend, and you'll definitely find it.

2. 4G and 5G are two different switches; don't just hide half of them

dual-band Mercury has two independent entry points in the background: one for wireless 2.4G and one for 5G, each with its own broadcast switch.

I only hid 5G on my first trip—since my phone usually connects to 5G, I thought hiding this one would be enough. The next day, I checked the backup phone, and the name 2.4G was boldly listed in the list, with full signal bars. It's like the security door is welded shut, but the window is open.

correct posture is to cancel broadcasts on both bands. Unless you have other plans—devices like cameras or vacuum cleaners that only recognize 2.4G and need a network, and you want to reserve a band for them without hiding it. I'll explain this compromise in detail below.

How to connect after hiding your own people: Manually add network

the broadcast ends, the new device (or the device you accidentally tapped on "Forgot the Network") won't be able to find home WiFi in the list, so you have to add it manually. The name must be exact letters, with uppercase and lowercase letters, underscores, and all numbers countless.

two high-frequency pitfalls: First, choosing the wrong security option (choosing "None" or selecting WEP) will keep prompting a password error message, unrelated to the password itself; Second, if you misspell a letter in the name, your phone spins around for a long time and can't connect, thinking the router is broken.

troublesome are those devices that can't be added manually: old TV boxes and old printers only search lists on pairing interfaces, without entry for names. These devices are either pre-installed on a blank 2.4G or connected before the broadcast is hidden. Once connected, it will remember on its own and will automatically connect later. The old TV box I bought in 2019 at home was handled this way: connect first, then hide. It's been two years without any problems.

devices already on the network are unaffected. The network is stored on your phone, and even when the broadcast is turned off, it connects automatically. Once it's hidden, not a single device at home will disconnect—only the ones you've actively forgotten or newly added ones that can't connect. I kept it hidden, and the whole family felt nothing that day, but the robot vacuum only happened the next day. That's the next section.

don't hide the vacuum camera along with it

smart devices are configured with a different logic: when connecting cameras, vacuum cleaners, and speakers, you check the WiFi list by scanning the screen, and they don't manually enter their names. If you hide 2.4G, it scans the list and the list is empty, and the first step of network setup is just dead there.

this is how my vacuum cleaner is messed up—after hiding it, the next day after a firmware upgrade, it reconnected and got stuck at "Connecting to WiFi" for over twenty minutes. Finally, I held the router and studied it for a long time before realizing it was the broadcast's fault. If your configuration network keeps failing you can refer to this article on smart device configuration network troubleshooting. The hidden SSID is one of the items that is easily overlooked.

two solutions: either 2.4G is not hidden, only 5G is hidden. Most people freeloading are aiming for long-distance 2.4G connections, so you should weigh which level to guard against; or leave a separate 2.4G for IoT devices (a modest name), hiding both mainnet bands. My family chose the latter, with the main network tightly hidden, and the camera vacuum mounted on that unremarkable 2.4G model.

if you hide and can't connect, what do you do

crash usually happens in two ways: you accidentally tap the network and forget the network, or a family member gets a new phone and can't get in home.

the fastest solution isn't to switch back to broadcasting: manually add the table above, it's a one-minute thing. If you really can't remember the WiFi name (forgot the case), find a network cable, connect your computer directly to the router's LAN, melogin.cn check the broadcast back, search again, and copy the name to stick it on the router base—this habit is especially valuable at this moment.

direct connection to the network cable, there is another hurdle: you have to enter the management password. If you forget, don't try blindly. After too many attempts, some firmware may lock for a while. Mercury's initial password rules differ from old and new models I've written them separately and will flip through before starting. If it really doesn't work, use your phone's data to check the password notebook you wrote back then—you'll always find a matching spot.

there's another easily confused thing: hiding an SSID and changing the WiFi name are two different things. Don't want to change the name but end up turning off the broadcast and reconnecting all the devices in the house one by one. That would be a wasted effort. I've written the rules for renaming in this on WiFi name changes.

Who can this move really guard against

to be fair: hiding SSIDs is for "passersby"—if you search around and see your family's name just linking it up, or master keys that match by sharing image libraries, if you can't find the name, naturally it can't match. previous article about Xiaomi Hidden WiFi I broke down the principle in detail, and the logic is exactly the same here.

But if you really want to ride the wave, you can't stop it: WiFi phones that connect automatically send detection requests, and the request includes your name. A packet detection tool hanging in the hallway overnight can reveal your hidden name. So hiding is the 'curtain,' and the password is the 'lock.' Anti-scrape nets should be layered, and complete three-layer protection approach is in this .

my suggested combination: 16-bit or more mixed passwords are fundamental, remember to turn off WPS ( this is much more dangerous than hiding the SSID ), and hiding the SSID as a bonus. If relatives come often, don't make guests manually enter their names too. start a visitor network which is easier than the main Hidden website.

in the end, one sentence: hiding your name is a trick that blocks gentlemen, not villains. It's fine for peace and quiet, but if you really rely on it for safety, you can't do it—first get the password and WPS to handle the two tough tasks, then come back and turn off the broadcast.