Why is my phone's Wi-Fi reception poor in another room—and how to fix it?

You move from the living room to the bedroom—and suddenly YouTube starts lagging, and your instant messages are delayed. Sound familiar? A weak Wi-Fi signal in the next room is one of the most common problems with home networks. And the router isn't always to blame: often, the problem lies in your phone settings, your apartment layout, or even... your furniture. In this article, we'll look into it. all possible reasons bad reception and we will give concrete solutions — from free ones to those that require minimal investment.

There's no point in arguing with physics: radio waves 2.4 GHz (the most common Wi-Fi range) do not penetrate walls well, and 5 GHz — even worse. But that doesn't mean you have to accept "dead zones" or rush out to buy a mesh system. In 80% of cases, the problem can be solved. without replacing equipment — all you need to do is properly configure the network or relocate the router. Below is a step-by-step analysis with tables, tests, and life hacks that will work in 2026.

1. Check your actual speed, not the indicator "sticks"

The first thing users do when they have a poor signal is look at the Wi-Fi icon in the status bar. But number of "divisions" on the indicator — this is a subjective assessment of the phone, and not the actual quality of the connection. For example, iPhone may show 3 out of 4 "bars", although the actual speed is 1 Mbps.

To assess the problem objectively:

• 📱 Install a speed test app on your phone: Speedtest by Ookla, WiFi Analyzer (Android) or Network Analyzer (iOS).
• 📊 Run the test next to the router — this will be the "standard." Then repeat in the problem room.
• 📉 Compare not only the download speed, but also ping (latency). If it's higher than 100 ms, the network is overloaded or the signal is too weak.

Critical indicators that require urgent action:

If the speed in the problem area drops by more than 70% of the reference speed, it means the signal is physically blocked or the router is configured incorrectly.

2. Physical barriers: what's blocking Wi-Fi in your apartment

Radio signal 2.4 GHz passes through walls, but loses up to 50% of its power at each obstacle. A 5 GHz — even worse: even a thick curtain can block it. Here are the main "enemies" of stable Wi-Fi:

• 🧱 Load-bearing walls (especially reinforced concrete) - weaken the signal by 20–30 dBm.
• 🚪 Metal doors — create “shielded” zones (the signal may not pass through at all).
• 🪑 Furniture with a metal frame (cabinets, beds, tables) - reflects waves, creating interference.
• 💧 Aquariums and mirrors - water and reflective surfaces absorb radio waves.
• 🔌 Household appliances (microwaves, wireless speakers, baby monitors) - operates in the same 2.4 GHz range.

Solution:

• 📍 Move the router closer to the center of the apartment or to the room where you use the internet most often.
• ↗️ Raise it higher - onto a cabinet or shelf (the signal is spread by the “antenna’s gaze”).
• 🔄 Rotate the antennas at an angle of 45°–60° (if they are removable).

3. Router Settings: 5 Parameters That Kill the Signal

Even if your router is perfectly positioned, incorrect settings can reduce its performance. Check these settings in the web interface (usually accessible via 192.168.0.1 or 192.168.1.1):

1. Operating mode (Mode): if exposed 802.11n or 802.11ac, and the phone only supports 802.11ax (Wi-Fi 6), the speed will be limited. Set Mixed mode (Mixed Mode).
2. Channel Width: meaning 20 MHz provides stability but low speed; 40/80 MHz - faster, but more sensitive to interference. For 2.4 GHz optimally 20 MHz, For 5 GHz — 40 MHz.
3. Channel: if the router itself selects the channel (Auto), it can "stick" on an overloaded one. Use the app WiFi Analyzerto find a free channel manually.
4. Transmit Power: in some routers it is reduced by default to 50-75%. Install 100% (or High).
5. QOS/WMM: if traffic priority is enabled (for example, for VoIP), your phone may be consuming residual bandwidth. Disable it or configure it manually.

How to check the settings on your phone:

• On Android: go to Settings → Wi-Fi → [your network] → Signal Strength (Some firmware versions have detailed information).
• On iPhone: install the application AirPort Utility, enable "Wi-Fi Mode" in the settings and select your network to analyze.

How can I find out my router model if the sticker has worn off?

The model is usually listed on the bottom of the device next to the MAC address. If there's no sticker, access the router's web interface (using a browser and the IP address)—the model is displayed on the main page or in the "System Tools" section.

4. Dual-band Wi-Fi: Why does the phone “catch” on to the wrong one?

Modern routers broadcast simultaneously on 2.4 GHz And 5 GHz, but the phone doesn't always choose the optimal network. For example, it might connect to 5 GHz with a weak signal, instead of a stable one 2.4 GHz.

How to fix it:

• 🔗 Divide the networks: In the router settings, disable SSID aggregation (option Smart Connect or Band Steering). Give the networks different names, for example:
  • MyWiFi_2G (for 2.4 GHz)
  • MyWiFi_5G (for 5 GHz)
• 📱 Forced connection: On your phone, forget the network and connect manually to the desired range.
• ⚙️ Setting the priority: in some routers (for example, Asus) you can set a rule: “use 5 GHz only when the signal level is above -65 dBm”.

⚠️ Attention: If your phone was released before 2018, it may not support 5 GHz or modern standards Wi-Fi 6Check the model specifications on the manufacturer's website.

5. Interference from neighbors: how to find a clear channel

In an apartment building on one channel 2.4 GHz Dozens of routers can be working. It's like shouting in a crowded room: everyone can hear the noise, but you can't make out anything. The solution is change the channel to a less busy one.

Step-by-step instructions:

1. Download to your phone WiFi Analyzer (Android) or NetSpot (iOS).
2. Run a scan in the problem room.
3. Look at the channel load chart. The optimal option is a channel with less than 3 neighbors and a signal level below -80 dBm.
4. Go to your router settings and manually select a free channel (for example, 1, 6 or 11 For 2.4 GHz).

For 5 GHz The situation is simpler: there are 23 non-overlapping channels, but the signal penetrates walls worse. Optimal channels for the home: 36, 40, 44, 48 (lower DFS range).

6. Phone Problems: When the Router Isn't to Blame

Sometimes a weak signal is not a network problem, but phone featuresHere's what to check:

• 🔋 Power saving mode: on Android And iOS It may limit the Wi-Fi module's performance. Disable it in the battery settings.
• 📶 Hardware limitations: cheap smartphones (for example, Redmi 9A or Samsung Galaxy A03) have weak antennas. Check the specifications on the website. GSMArena.
• 🔄 Software updatesOlder firmware versions may have Wi-Fi bugs. Update your phone to the latest version.
• 🛠️ Reset network settings: on Android go to Settings → System → Reset → Reset Wi-Fi, mobile networks, and Bluetooth.

Hardware Problem Test:

1. Connect your phone to another Wi-Fi network (for example, in a cafe).
2. If the problem persists, the phone is to blame. If not, look for the cause in your home network.

⚠️ Attention: On some phones (eg. Xiaomi with firmware MIUI) There's a hidden option called "Smart Wi-Fi Switching." It automatically turns off Wi-Fi when the signal is weak, switching to mobile data. Disable it in Settings → Wi-Fi → Advanced.

7. Alternative solutions: when nothing helps

If all the above methods have not yielded results, it is time to consider hardware improvementsHere are the options from the most budget-friendly to the most expensive:

Which option to choose?

• 🏠 For one-room apartment a repeater or external antenna will suffice.
• 🏢 In multi-room apartment/house A mesh system or powerline adapters are optimal (if the walls are thick).
• 💻 If needed stable signal for work (for example, for Zoom conferences) - lay the cable.

⚠️ Attention: Cheap repeaters (< 1500 ₽) can worsen situation, creating additional interference. Choose models with support Wi-Fi 6 and dual-band operation (for example, TP-Link RE605X).

FAQ: Frequently asked questions about weak Wi-Fi in another room

Can furniture really block Wi-Fi?

Yes, especially if it contains metal parts. For example, a wardrobe with mirrored doors can weaken the signal by 30-50%. Aquariums (water absorbs radio waves) and furniture with metal frames also have a negative impact. The solution is to move the router or furniture.

Why does Wi-Fi work better at night than during the day?

During the day, neighbors actively use their networks, creating interference. At night, the load on the channels decreases. This confirms that the problem is airwave congestionThe solution is to change the channel in the router settings (see section 5).

Is it worth buying a router with external antennas?

External antennas only provide an advantage if they can be direct in the right direction. In the standard configuration (with the antennas sticking up), they are not much different from the internal ones. If you are buying a router specifically for improved coverage, choose a model with removable antennas and the possibility of replacing them with more powerful ones (for example, TP-Link Archer C6).

Can a virus on a phone affect Wi-Fi?

Theoretically yes, but in practice it's unlikely. Viruses usually steal traffic or display ads, but don't degrade the signal. If you suspect an infection, check your phone. Malwarebytes or Dr.WebIf the problem persists, look for the cause in the network or hardware.

How can I check if my neighbor is stealing my Wi-Fi?

Go to the router's web interface (usually 192.168.0.1) and look at the list of connected devices in the section DHCP Clients or Connected DevicesIf you see unfamiliar MAC addresses, change your Wi-Fi password to a more complex one (at least 12 characters with numbers and special characters). Also, enable filtering by MAC (but this is not a panacea - it can be bypassed).