How to disable WiFi on a 900 phone: all the methods and hidden features

Disabling WiFi on your phone 900 series (be it Samsung Galaxy M900, Xiaomi Redmi Note 900 (or another model) can be useful in a variety of situations, from saving battery life to troubleshooting connection issues. However, it's not always obvious how to do this quickly—especially when it comes to temporarily disabling the feature without losing saved networks or disabling it system-wide.

In this article we will look at All possible ways to disable WiFi On phones with a 900 number in their model—from standard methods via the notification panel to hidden settings for advanced users. You'll also learn how to disable automatic connections to networks and block a specific network. wifi.ru (if we're talking about public access points) and what to do if WiFi doesn't turn off due to a firmware issue. The instructions are relevant for Android 12-15 And iOS 16-18 (for models like iPhone 900, if such appear).

Before you take action, please clarify: you need temporary shutdown (for example, at night) or complete removal of the network From the device's memory? The choice of method depends on this.

1. Quickly disable WiFi via the notification panel

The most obvious and universal way is to use control center (on Android) or control center (on iOS). This method works on 99% of smartphones, including models with the number 900 in their name.

On Android:

1. Swipe top down on the screen to open the notification panel.
2. Find the icon WiFi (usually it's an icon with waves or an antenna).
3. Tap the icon once - this is turn off WiFiPressing it again will turn it back on.

On iOS (if we are talking about a hypothetical iPhone 900):

1. Swipe from bottom to top (on models with a Home button) or top to right (on models without a button).
2. Press and hold the network panel (upper left block).
3. Tap the icon WiFi - it will turn grey, which means it is turned off.

⚠️ Attention: On some firmware (for example, MIUI on Xiaomi or One UI on Samsung) one click on the WiFi icon in the notification panel does not turn off the module completely, but only disconnects the current connectionTo completely disable WiFi, hold the icon for 1-2 seconds to open additional settings.

2. Disabling WiFi through phone settings

If your notification bar is unresponsive or you need more deep management networks, use the settings menu. This method also allows forget a specific network (For example, wifi.ru) or disable automatic connection.

Instructions for Android:

1. Open the app Settings (gear icon).
2. Go to the section Network and Internet (or Connections on Samsung).
3. Select WiFi.
4. Move the slider to the position Off (or click on the text "WiFi").

For iOS:

1. Launch Settings.
2. Select a section WiFi.
3. Move the top slider to the position Off.

⚠️ Attention: On some phones (eg. Huawei or Honor with firmware EMUI) There is a separate switch in the WiFi settings Auto-connectionIf you disable it, your phone won't connect to saved networks automatically—this is useful if you want to manually choose when to use WiFi.

3. How to disable a specific network (for example, wifi.ru)

If you only need to block one network (for example, a public hotspot wifi.ru, which connects automatically), rather than turning off WiFi completely, do the following:

On Android:

1. Open Settings → WiFi.
2. Find the network in the list wifi.ru (or another unnecessary network) and tap its name.
3. Click Delete or Forget (on some firmware versions - Delete network).
4. Confirm the action.

On iOS:

1. Go to Settings → WiFi.
2. Tap the blue icon i next to the network name wifi.ru.
3. Click Forget this network.

After this, the phone will not connect to this network automatically. If the network is open (without a password), you can also add her to the blacklist through the router's advanced settings (if you have access to its control panel).

What should I do if the wifi.ru network connects automatically?

If the phone is constantly connected to the network wifi.ru despite deletion, check:

- Settings Smart WiFi or Auto-connection in the WiFi menu.

- Availability of applications like WiFi Master or Autoconnectors - delete them.

- Firmware updates: sometimes auto-connection bugs are fixed in new software versions.

4. Disabling WiFi via Airplane Mode

If standard methods don't work (for example, due to a firmware failure), you can disable WiFi indirectly - via airplane modeThis method also blocks mobile communications, so it is only suitable for temporary shutdown.

How to enable airplane mode:

• 📱 On Android: Swipe down the notification panel and tap the icon airplane.
• 🍎 On iOS: open Control center and tap the icon airplane.
• ⚙️ Alternatively: Settings → Network & Internet → Airplane Mode (or Settings → Airplane Mode on iOS).

⚠️ Attention: In airplane mode they are turned off all wireless modules, including Bluetooth and mobile data. To restore Wi-Fi only, you can:

1. Turn on airplane mode.
2. Then manually turn on WiFi through the notification panel (on some phones this is even allowed in airplane mode).

On phones with EMUI firmware (Huawei/Honor) and some Xiaomi models, WiFi and Bluetooth can be enabled separately in airplane mode—this is convenient if you only want to keep these modules active.

5. Hidden methods: disabling WiFi via ADB or the engineering menu

If standard methods don't work (for example, due to a virus or system crash), you can disable WiFi at the Android level via ADB (Android Debug Bridge) or engineering menuThese methods are suitable for experienced users.

Method 1: Disconnect via ADB

To do this, you will need a computer with installed drivers. ADB and included USB debugging on the phone.

adb shell settings put global wifi_on 0

To turn WiFi back on:

adb shell settings put global wifi_on 1

Method 2: Engineering menu (for Mediatek)

On phones with a processor Mediatek (many models Xiaomi, Realme, Tecno):

1. Open the app Telephone.
2. Enter the combination: ##36446337## (code may differ!).
3. Go to the section Connectivity or WiFi.
4. Find the option WiFi Power Save Mode and set the value Disable.

⚠️ Attention: Incorrect actions in the engineering menu can disrupt the phone's operationDon't change any settings unless you're sure of their purpose. These settings may also reset after a firmware update.

6. Disabling WiFi at the router level (if the phone connects automatically)

If the problem is that the phone automatically connects to an unnecessary network (For example, wifi.ru from neighbors or a public point), you can block it at the router levelThis is relevant if you have access to your router's settings.

Instructions:

1. Open your router's control panel (usually at 192.168.1.1 or 192.168.0.1).
2. Log in (using the login and password indicated on the router sticker).
3. Find the section Wireless network (or WiFi → MAC filter).
4. Add your phone's MAC address to blacklist (or remove from white if it is there).
5. Save the settings and reboot the router.

How to find out your phone's MAC address:

• 📱 On Android: Settings → About phone → General information → WiFi MAC address.
• 🍎 On iOS: Settings → General → About → WiFi Address.

7. What to do if WiFi won't turn off?

If none of the methods worked, the following are possible causes and solutions:

• 🔄 Firmware failure: Restart your phone. If that doesn't help, check for updates. Settings → System → Software Update.
• 🦠 Virus or malware: Check your phone with an antivirus (for example, Malwarebytes or Dr.Web). Some viruses block WiFi disconnection.
• 🔧 Corrupted settings: Perform a network reset: Settings → System → Reset → Reset WiFi, mobile network, and Bluetooth.
• 📱 Hardware failure: If WiFi doesn't turn off even after a reset, the module may be damaged. Contact a service center.

⚠️ Attention: Some phones (especially those with custom firmware) may have software installed to forced connection to WiFi (For example, to save data). Check the list of installed applications and remove suspicious ones.

FAQ: Frequently Asked Questions

Is it possible to turn off WiFi on a 900 phone without the notification bar?

Yes, through Settings → WiFi or using a voice assistant (for example, say Google Assistant: "Turn off WiFi"). You can also use widgets on the home screen (if your firmware supports them).

Why does my phone still connect to the wifi.ru network after disabling WiFi?

Most likely you have the feature enabled auto-connection to known networksDisable it in your WiFi settings or delete the network. wifi.ru from saved ones (see section 3). Also, check if third-party network management software is installed on your phone.

How do I turn off WiFi on my 900 phone automatically at night?

Use the function Sleep mode or Automation:

• On Android: Settings → Digital Wellbeing → Sleep Mode (limits networks at a specified time).
• On Samsung: Settings → Device Care → Sleep Mode.
• On iOS: Settings → Focus → Sleep (you can set up restrictions on network activity).

You can also use apps like MacroDroid (Android) or Shortcuts (iOS) to create automatic rules.

Will turning off WiFi save battery life?

Yes, but insignificantlyWi-Fi only consumes power when actively used (downloading data, searching for networks). If the phone is connected to a network but not transmitting data, consumption is minimal. A more effective way to save battery is disable background activity of applications or put your phone into power saving mode.

Is it possible to disable WiFi for specific apps?

On Android 9+ You can restrict WiFi access for individual applications:

1. Open Settings → Applications.
2. Select the desired application.
3. Click Mobile data and WiFi.
4. Turn off the switch WiFi.

On iOS There is no such function, but you can completely block the application from accessing the network in Settings → Privacy → Local Networks (for some types of applications).