Why Your Wi-Fi Hotspot Isn't Working: A Complete Diagnosis and Fix

Are you trying to share your internet from your phone, but your devices won't connect to the access point? Or is your router refusing to create a guest network, even though it worked before? Wi-Fi sharing issues are common on Android, iPhone, Windows and even in router firmware—each with its own roots. In 80% of cases, the culprit is a configuration issue, not a hardware failure.

In this article we will look at The real reasons for access point failures in 2026 — from a simple IP address conflict to hidden restrictions from mobile operators. You'll learn how to diagnose the problem in 2 minutes, which parameters to check first, and why even a reboot can sometimes help. modem (Yes, it's not a myth.) And also a device compatibility chart and current restrictions for popular plans.

Spoiler: if yours Samsung Galaxy or iPhone 15 If Wi-Fi suddenly stopped working after an update, it's not always the smartphone's fault. More often, the problem lies in the settings. APN or operator policies. But first things first.

1. Checking the Basics: 5 Steps to Diagnosis

Before digging into the settings, make sure the access point meets the minimum requirements. This checklist will save you an hour:

Data transfer is enabled on the main device (phone/modem)

There are sufficient funds in the account (for mobile Internet)

The device is not in power saving mode

The Wi-Fi adapter is not disabled in Device Manager (for PC)

There are no active VPNs or firewalls blocking the connection-->

Pay special attention account balance. Many operators (including MTS, Beeline And Tele2) block internet tethering when your balance is negative, even if you still have network access. While a 4G/5G signal may be displayed on your phone's screen, this doesn't guarantee the hotspot is working.

On Windows 10/11 check if the adapter is disabled in Device Manager (see the "Network Adapters" section). Sometimes the system automatically disables it to save battery power. To restore the adapter:

1. Click Win + X → select "Device Manager".
2. Expand the "Network adapters" tab.
3. Find the device with the name Wi-Fi or Wireless → right-click → "Enable".

2. IP Address Conflict: Why Devices Won't Connect

One of the most common reasons is IP conflict between the access point and the device being connected. This is typically the case when you're trying to share Wi-Fi from your phone, but your laptop or tablet is already connected to another network with the same address range (for example, 192.168.1.x).

How does this manifest itself:

• 🔄 The device keeps "getting an IP address" but won't connect.
• ⚠️ I get the error "Unable to obtain IP" or "Limited connection".
• 📱 The access point turns on on the phone, but turns off after 10-20 seconds.

The solution is to change the range of addresses distributed. Android This is done through the engineering menu or applications like NetMasterOn . iPhone the option is hidden deeper:

1. Open Settings → Tethering.
2. Tap and hold the "Wi-Fi Password" field for 5 seconds until a hidden menu appears.
3. Select "APN Settings" → "Advanced" → change IP pool on 192.168.43.x (if there was 192.168.1.x).

How to check your current IP range on Windows

Open Command Prompt (Win + R → enter cmd → Enter).

Enter the command ipconfig /all and find the "Default Gateway" line in the "Wireless Network Adapter" section. This is your access point's IP address.

For routers (TP-Link, ASUS, Keenetic) the range changes in the web interface:

1. Go to the control panel at 192.168.0.1 or 192.168.1.1.
2. Go to Local Area Network (LAN) → IP Settings.
3. Change Router IP address on 192.168.43.1 (or another free range).
4. Save the settings and reboot your device.

3. Operator restrictions: hidden distribution blocks

Many mobile operators artificially limit the hotspot function on certain tariffs. For example, Megaphone In 2026, it will block distribution on the "Everything for Our Own" and "Zero Limits" tariffs unless an additional package is connected. Yota And Tinkoff Mobile allow distribution only at speeds above 10 Mbps.

How to check if your carrier is blocking your hotspot:

• 📱 On Android: go to Settings → SIM cards and mobile networks → Portable hotspotIf the option is grayed out, it is blocked.
• 🍎 On iPhone: go to Settings → Cellular → Personal HotspotThe absence of a switch means the operator is prohibited.
• 💻 On PC: If you try to enable distribution via mobhotspot or netsh an error appears #651 or #1068 - this is a sign of limitation.

Bypassing the block is possible, but requires caution. The most effective methods in 2026:

1. Changing APN: create a new profile with distribution settings (eg. internet.yota → internet.flat For Yota).
2. USB tethering: Connect your phone to your PC via cable and enable USB sharing (operators rarely block this method).
3. VPN bypass: use Outline VPN or WireGuard to mask traffic (not available on all tariffs).

Yes, completely.

Yes, but only on certain tariffs

No, everything works.

I don't know how to check-->

⚠️ Warning: Changing APN settings may result in loss of internet access. Before experimenting, save the original settings or check them on the operator's website. Some providers (e.g., Tele2) block the account for suspicious activity with frequent APN changes.

4. Problems with firmware and drivers

If the access point was working before, but suddenly stopped working after a system update, the firmware or drivers are to blame. This issue is especially common with:

• 📱 Samsung Galaxy With One UI 6.0+ (bug with the module wlan.ko).
• 📱 Xiaomi on MIUI 14/15 (conflict with energy saving).
• 💻 Laptops Dell And Acer with adapters Qualcomm Atheros.
• 🖥️ PC with Windows 11 23H2 (service error WlanSvc).

For Android solutions depend on the model:

On Windows Most often, reinstalling the Wi-Fi adapter driver helps:

1. Download the latest driver from the manufacturer's website (not from Windows Update!).
2. Open device Manager → find the adapter → "Update driver" → "Browse my computer for driver software".
3. Specify the path to the downloaded file and wait for the installation.
4. Restart your PC and check the distribution with the command:

   netsh wlan start hostednetwork

⚠️ Note: on laptops with adapters Intel AX200/AX210 after upgrading to Windows 11 24H2 You may need to roll back the driver to the version 22.220.0 - newer versions conflict with the function hostednetwork.

5. Equipment malfunctions: when the hardware is to blame

If software solutions don't help, the problem may be hardware-related. Typical signs of a problem include:

• 🔌 The access point turns on, but devices don't see the network (even after a factory reset).
• 🔥 The phone or router gets very hot when trying to distribute data.
• 📶 The Wi-Fi signal appears for 1-2 seconds and disappears.
• 🔄 Restarting the device doesn't help, the error persists.

The most vulnerable components:

1. Wi-Fi module: on smartphones it often fails after being dropped or exposed to water. On routers (TP-Link Archer C6, ASUS RT-AX55) - due to overheating.
2. Antennas: physical damage or oxidation of contacts (relevant for external antennas on routers).
3. Capacitors: on old routers (D-Link DIR-300, ZyXEL Keenetic Lite) swell over time.

Diagnostics for smartphones:

1. Check that Wi-Fi is working normally (connect to a different network). If it doesn't connect, the module is faulty.
2. Use test codes:

   #0#

   (to check the display and sensors, but on some models Samsung displays the Wi-Fi status).

3. Connect your phone to your PC and check the logs via ADB:

   adb logcat | grep wlan

   (look for errors like WifiStateMachine: Failed to start).

For routers:

1. Check the indicator lights: flashing orange Wi-Fi — a sign of module malfunction.
2. Open the case and inspect the board for swollen capacitors or oxidized tracks.
3. Flash an alternative firmware (OpenWRT, DD-WRT) - if the access point works, the problem is in the original software.

6. Security settings: why the password is not working

Sometimes the access point turns on, but devices can't connect to it due to authentication issues. Common scenarios:

• 🔑 You enter the correct password, but receive an "Invalid security key" error.
• 🔄 The device connects, but after a few seconds it disconnects.
• 📵 On some gadgets (for example, MacBook or iPad) the network is visible, but does not connect.

Reasons and solutions:

On Android You can change the security type like this:

1. Open Settings → Hotspot & Tethering → Set up hotspot.
2. Select "Security Type" → install WPA2 PSK.
3. Make sure there are no Cyrillic characters or emojis in the "Password" field.

For routers (ASUS RT-AX88U, Keenetic Giga):

1. Go to the web interface at 192.168.1.1.
2. Go to Wireless Network → Security Settings.
3. Install:

   Network: 2.4 GHz (or 5 GHz)
   Security mode: WPA2-Personal
   Encryption: AES
   Channel: Auto (or 6 for 2.4 GHz)

7. Alternative methods of distributing the Internet

If the default access point stubbornly fails to work, try workarounds. They're less convenient, but often save the day in critical situations.

Method 1: USB tethering (for PC)

• ⚡ Faster and more stable Wi-Fi (no signal loss).
• 🔌 Works even if the operator is blocked.
• ⚠️ Requires USB cable and drivers RNDIS.

How to turn on Android:

1. Connect your phone to the PC using a cable.
2. Open Settings → Hotspot & Tethering.
3. Activate "USB modem".

Method 2: Bluetooth tethering

• 📱 Suitable for tablets and laptops without Wi-Fi.
• 🐢 Speed ​​is limited to ~1-3 Mbps.
• 🔋 It consumes more energy than USB, but it heats up the phone less.

Method 3: Software distribution on a PC

If the built-in function mobhotspot doesn't work, use third-party utilities:

• 🖥️ Connectify Hotspot (paid, but with a trial period).
• 🆓 Virtual Router Plus (free, but requires .NET Framework 3.5).
• 🐧 Linux: create_ap (utility for distribution via terminal).

For Linux (Ubuntu/Debian) distribution command:

sudo apt install create_ap
sudo create_ap wlan0 eth0 MyHotspot MyPassPhrase

Where:

• wlan0 — Wi-Fi interface;
• eth0 — Internet interface (e.g. Ethernet);
• MyHotspot — network name;
• MyPassPhrase - password.

sudo networksetup -setairportnetwork en0 "MyHotspot" "MyPassPhrase"

But first, check if your Mac supports hostspot mode (sysctl -a | grep allow.hotspot).-->

FAQ: Frequently Asked Questions about Access Points

Is it possible to share Wi-Fi from a phone without speed limits?

Theoretically, yes, but in practice, operators often limit tethering speed. For example, MTS The "Tarifische" plan provides up to 50 Mbps to the phone, but when tethering, the speed drops to 10 Mbps. You can bypass this by USB tethering or VPN (but not all operators allow this).

Why does iPhone's hotspot only work for some devices?

It's related to the settings. MAC filtering or incompatibility of standards WPA3On . iPhone go to Settings → Personal Hotspot → Wi-Fi Password and change the security type to WPA2Also, check if "Contacts Only" mode is enabled in your sharing settings.

How to increase the range of a hotspot on Android?

The radius depends on the transmitter power and the Wi-Fi standard:

• On Android 12+ you can turn on the mode 5 GHz (higher speed but smaller radius).
• Use apps like WiFi Analyzerto select the least loaded channel.
• For routers, increase the transmit power in the settings (maximum is 20 dBm, but this may be illegal in your country).

What should I do if the access point turns on, but the Internet doesn't work?

Please check the following points:

1. On the phone: Disable VPN, check your balance, reboot your device.
2. On PC: run the commands:

   ipconfig /release
   ipconfig /renew

3. On the router: update firmware, reset to factory settings.

If the problem persists, it is most likely due to operator blocking (see section 3).

Is it possible to share Wi-Fi from one phone to another phone?

Yes, but there are some nuances:

• 📱 On Android Both phones must support Wi-Fi Direct or a standard access point.
• 🍎 On iPhone distribution to another iPhone works only through Bluetooth (limitation Apple).
• 🔄 If your internet connection isn't working, check if your carrier is blocking the data sharing chain (phone → phone → PC).