In the modern digital world, page loading speed and connection stability directly depend on the quality of the network setup. One of the key components of this process is domain name system, which converts website addresses that we understand into server IP addresses. Users of mobile devices are often faced with the need to check the current connection settings in order to eliminate errors or speed up surfing.
However, in the operating system Android the process of viewing and changing these network settings is not always obvious. The interfaces of different shells from smartphone manufacturers may differ significantly, hiding important technical parameters. In this article, we will analyze in detail all the available methods for diagnosing and configuring network protocols on your gadget.
Often, the standard settings of an Internet provider do not provide maximum performance or security. Understanding how to manage DNS serverswill allow you to bypass some blocks, speed up application response times, and protect traffic from interception. Let's dive into the technical details of setting up the network.
Basic concepts and the role of DNS in the mobile network
Before we begin technical manipulations, we need to clearly understand what exactly we are setting up. Domain Name System acts as a kind of Internet telephone directory. When you enter a website address in your browser, your device sends a request to a special server to obtain the digital address of the resource.
If this server is slow or produces incorrect data, the page will take a long time to load or will not open at all. Standard servers provided by your cellular operator or Wi-Fi provider are not always optimal. They may be overloaded or subject to censorship.
The use of alternative solutions, such as Google Public DNS or Cloudflare, often solves problems with access to resources. Query caching on the device also plays an important role: if the phone remembers the address, it will not request it again, which saves traffic and time.
It is important to distinguish between the concepts of primary and secondary server. The primary is used for all requests first, and the secondary is connected only if the primary fails. The correct configuration of both addresses guarantees uninterrupted operation of the network.
Viewing current settings through the Wi-Fi menu
The most common way to check network settings involves connecting via a wireless protocol. In most versions Android this information is hidden in the advanced settings of a specific access point. You will need to go to the Settings → Wi-Fi section and find the active network.
Click on the gear icon or arrow next to the name of your network. In the menu that opens, you need to find the “Advanced” or “Advanced settings” item. This is where a block with information about IP address, gateway and name servers is often hidden.
However, in standard mode, these fields are often displayed as “Not Specified” or show router addresses. To see the actual numbers used for domain resolution, it is sometimes necessary to temporarily change the IP configuration to static. This action will not disrupt the network if you enter the correct data.
⚠️ Attention: When switching the IP mode from “Standard (DHCP)” to “Static”, make sure that you do not change the gateway address. An error in this parameter will lead to a complete loss of Internet access.
If you see fields DNS 1 and DNS 2filled with numbers, these are the current addresses that your smartphone uses. Write them down or take a screenshot if you plan to return to the provider's factory settings later.
Setting up a static IP and manual control
For detailed control over network traffic, manual entry of parameters is often required. This method allows you to hard-code name server addresses, ignoring the router's suggestions. The procedure begins by selecting your network from the list of available connections.
In the network management menu, find the “IP Settings” or “IP Settings” item. By default, the value DHCPis selected there. Change it to Static (Static). After this, fields will open for manually entering data that were previously hidden or inactive.
You will need to fill in the following fields: device IP address, network prefix length, gateway address and, in fact, name servers. It is important to save the gateway address as it was when automatically received, otherwise packet routing will be disrupted.
☑️ Check before saving
In the fields DNS 1 and DNS 2 enter the desired addresses. For example, for services from Google it will be 8.8.8.8 and 8.8.4.4. After entering, click the “Save” button. The device will reconnect to the network with new parameters.
Private DNS function in modern versions of Android
Starting with version Android 9 (Pie), the function Private DNS (Private DNS) was introduced into the system. This technology uses the DNS-over-TLS protocol, which encrypts your requests, making them invisible to the provider and protecting them from spoofing.
Unlike manual IP configuration, this method works globally for all connections: both Wi-Fi and mobile networks. You can find this option in the Settings → Connections → Other connection settingssection. In some shells, the path may be different, for example, Settings → Network and Internet.
In the Private DNS menu you will see three options: “Auto”, “ISP Hostname” and “Off”. Selecting the Auto mode allows the system to decide whether to use encryption. To force the use of a specific service, select the hostname input mode.
⚠️ Attention: In the Private DNS field, you need to enter the domain name of the server (for example,
dns.google), and not its IP address. Entering numbers in this mode will result in a connection error.
Popular host addresses for this function: dns.google from Google, one.one.one.one from Cloudflare or doh.opendns.com from OpenDNS. After saving the settings, all DNS requests will be tunneled through a secure channel.
Why might Private DNS not work?
The Private DNS function requires support from the server. If you entered the address of a service that does not support the DNS-over-TLS protocol, your Internet connection will be lost. Also, the function may conflict with some corporate networks or antiviruses that intercept traffic.
Diagnostics via the console and third-party utilities
For users who prefer deep technical analysis, there are verification methods without changing settings. Using special applications from the store Google Play you can get detailed information about the current request route and response time.
Applications like Network Scanner or Ping & DNS display real addresses that the system is currently using. This is especially useful if you are not sure whether your manual settings have been applied or whether the network is working through an ISP.
A more advanced method is to use debugging by ADB (Android Debug Bridge). Once you connect your smartphone to your computer, you can run a command to display the network configuration. This gives the most accurate data without UI limitations.
adb shell netcfgThis command will list all network interfaces and their status. However, to interpret specific DNS records, you may need to analyze the logs or use the utility ndc (Network Debug Controller) if developer rights are activated.
Resetting the DNS cache and troubleshooting
Sometimes, even with the correct settings, problems arise with accessing sites. This may be due to outdated entries in the device's local cache. The phone continues to use the old IP address for a domain that has already changed its address.
Unlike computers, Android does not have a simple “Clear DNS Cache” button in the standard menu. The most effective way to reset this data is to switch airplane mode. Turn it on Airplane Mode for 10-15 seconds, and then turn it off.
This action forcibly recreates the network connection and clears temporary routing tables. If the problem persists, try forgetting the network in the Wi-Fi settings and connecting to it again by entering the password.
| Service | Primary address (IPv4) | Secondary address (IPv4) | Features |
|---|---|---|---|
| Google Public DNS | 8.8.8.8 | 8.8.4.4 | High speed, reliability |
| Cloudflare | 1.1.1.1 | 1.0.0.1 | Focus on privacy |
| OpenDNS | 208.67.222.222 | 208.67.220.220 | Ability to filter content |
| Quad9 | 9.9.9.9 | 149.112.112.112 | Blocking malicious domains |
If you use mobile data, resetting network settings may require more drastic measures. Go to Settings → System → Reset settings → Reset Wi-Fi, mobile data and Bluetooth settings. This will return all network settings to the factory state.
Before resetting the network settings, make sure that you remember the passwords for all Wi-Fi networks that you have previously connected to. After the reset, they will have to be entered again.
Frequent problems and ways to solve them
Users often encounter a situation where, after changing the DNS, the Internet stops working. This is usually due to a typo in the numbers or using a server that is blocked by your ISP. Double-check the entered data carefully.
Another common problem is that only one application will work when the browser is not working. This may indicate that a particular application has its own network settings or is using hardcoded addresses, ignoring system ones.
In some cases, antivirus software or a firewall may block non-standard DNS requests. Try disabling protection temporarily to see if it is causing the problem. If the problem disappears, add DNS addresses to exceptions.
If changing DNS does not produce results, the problem may not be in the phone settings, but on the side of the provider or the site itself. Try checking access from another device on the same network.
⚠️ Attention: Settings interfaces may vary depending on the version of Android and the manufacturer's shell (Samsung One UI, Xiaomi MIUI, etc.). If you do not find the described item, use the settings search by entering the word "DNS" or "Private".
Is it possible to change DNS only for mobile data?
Yes, this is possible, but it is more difficult to do this using standard Android tools than for Wi-Fi. The Private DNS feature works globally. Separate configuration often requires applications that create a local VPN tunnel, or superuser rights (Root).
Does changing DNS affect file download speed?
Changing DNS itself does not increase channel throughput (download speed). However, it speeds up response times when opening new pages and searching for servers, which subjectively makes the Internet “faster.”
Is it safe to use third-party DNS servers?
Using proven services such as Google or Cloudflare is safe and often more reliable than the provider's servers. However, the use of unknown private servers can lead to data leakage about the sites you visit.
What to do if the Internet is lost after setting up Private DNS?
Return to the Private DNS settings and select the “Auto” or “Off” mode. Most likely, the host address you entered does not support encryption or is blocked. Try using the official address dns.google.
Are root access needed to change DNS?
No, for a basic DNS change via Wi-Fi settings or the Private DNS function, root access is not required. They are needed only for deep system modification or changing DNS at the kernel level for all applications without exception.