The situation when your loved one tablet Suddenly losing access to the home network or stuck indefinitely in the "Obtaining IP Address" status can be frustrating for any user. This can mean not only losing access to entertainment content, but also disconnecting from work projects if the device is used remotely. Most often, the problem stems from a software glitch in the operating system or a router settings conflict, which can be easily resolved without calling a technician.
However, you shouldn't immediately blame it on a malfunction. Wi-Fi module the gadget itself. Statistics show that in the vast majority of cases, failure occurs on the router side or due to incorrectly configured security settings. Understanding how exactly the process works authentication devices on your network will help you quickly diagnose the source of the problem. We'll cover all possible scenarios, from a simple cache overflow to complex MAC address conflicts.
Before moving on to complex solutions, it's important to rule out basic factors. Sometimes, simply rebooting the device or disabling power-saving modes that aggressively limit background wireless activity is enough. Let's look at a step-by-step procedure that will help restore a stable connection.
Hardware diagnostics and initial checks
The first step is to ensure that the problem is localized and not related to global outages at the provider or a malfunction of the router itself. If other devices in the house—smartphones, laptops, smart TVs—are working without issue, then the focus shifts to a specific issue. tabletIf the network is not visible on any device, rebooting the router (powering it off for 10-15 seconds) is a mandatory first step.
On the tablet itself, it's worth checking the basic settings. Make sure the Wi-Fi slider is active and Airplane Mode is off. Sometimes the system can get stuck in a searching state, and a simple network restart can clear the error. To do this, go to Settings → Connections and turn Wi-Fi off and then back on.
⚠️ Important: If you're using a dual-band router, make sure your tablet supports the 5 GHz frequency. Older models may not see networks in this range or may have trouble connecting to them.
It's also worth paying attention to the distance to the access point. The signal may be too weak to establish a stable handshake, even if the indicator shows a network connection. Try moving closer to the router to prevent signal attenuation through walls.
Software glitches in Android and iOS operating systems
Operating systems, whether Android or iPadOS, accumulate temporary files and network settings cache, which can become corrupted over time. This is one of the most common reasons why tablet The connection process cannot be completed. The solution is to reset your network settings, which does not delete your personal data but does erase saved Wi-Fi passwords and Bluetooth settings.
On Apple devices, the procedure is as follows: go to Settings → General → Transfer or reset iPhone → Reset → Reset Network SettingsOn Android, the path may vary depending on the shell, but it is usually located in the System → Reset settings → Reset Wi-Fi, mobile data, and BluetoothAfter this procedure, the device will reboot, and you will need to re-enter the network password.
☑️ Checklist for resetting network settings
Another important aspect is keeping your software up-to-date. Developers regularly release patches that fix wireless driver vulnerabilities. Check for updates in the section Software updateSometimes the problem is known to the manufacturer and has already been resolved in a new firmware version.
Why does reset help?
Resetting network settings removes corrupted configuration files that may have occurred after an unsuccessful update or power surge, returning the network module to factory settings.
Problems with IP addressing and DNS servers
A common cause of connection failure is an IP address conflict or incorrect operation of the DNS servers assigned by the provider by default. When tablet If your router is attempting to obtain an address automatically (DHCP), the router may not respond in time or may issue an address that is already taken by another device on the network. In this case, manually setting a static IP address can help.
To do this, in your Wi-Fi network menu on your tablet, select "Edit Network" or "Advanced." Find the IP settings and switch them from "DHCP" to "Static." You'll need to enter the IP address (usually 192.168.1.X, where X is a number from 2 to 254), gateway (router address), and DNS. Google's public servers are often recommended for DNS (8.8.8.8) or Cloudflare (1.1.1.1), which work more stably than standard ones.
| Parameter | Value for setting | Description |
|---|---|---|
| IP address | 192.168.1.150 | The tablet's unique address on the network |
| Gateway (Router) | 192.168.1.1 | Your router's address |
| Prefix length | 24 | Default subnet mask |
| DNS 1 | 8.8.8.8 | Primary Domain Name Server |
If the problem persists after changing the DNS, it's possible that the router's ARP table has accumulated junk. In this case, a full reboot of the router, followed by unplugging it for a minute, may help. This will clear the device's RAM and reset all active sessions.
MAC filtering and security conflicts
Modern routers are equipped with security features that can block new devices. One such feature is MAC filteringIf the "White List" (Allow list) is enabled in the router settings, then any new gadget, including yours tablet, will not be able to connect until you add its physical address to the allowed ones.
You can find out the MAC address of your tablet in the section About device → Status Or on a Wi-Fi network. Log into your router's admin panel (usually at 192.168.0.1 or 192.168.1.1), find the "Wireless MAC Filtering" section, and add your device's address there. It's also worth checking if the "Time-Based Access Control" feature is enabled, which may restrict connections during certain hours.
⚠️ Note: On devices with Android 10 and above, as well as iOS 14+, the "MAC Address Randomization" feature is enabled by default to enhance privacy. Some older routers may not work correctly with changing addresses. Try switching the Wi-Fi setting to "Use Device MAC Address."
Also, check the encryption type. If your router is configured for the outdated WEP protocol or mixed mode WPA/WPA2, a modern tablet may refuse to connect for security reasons. The optimal choice is WPA2-PSK (AES) or WPA3, if your devices support it.
Impact of power saving and third-party applications
Aggressive power-saving algorithms implemented by processor and OS manufacturers (e.g., MIUI, EMUI) can "kill" the Wi-Fi connection in the background or immediately after the screen is turned on. The system may assume that if the user isn't interacting with the network module right now, it can be disabled to save battery.
To rule this out, go to battery settings and locate the list of apps. Make sure there aren't any hard limits set for Wi-Fi system services or the connection manager. Also, try temporarily disabling "Power Saver" mode and see if the connection reappears.
- 📱 Check if you have any VPN applications or antivirus software with a firewall installed that could block local traffic.
- 🔋 Disable the "Ultra Power Saving" mode, which often leaves only basic call functionality active.
- 🛡️ Review app permissions: Some memory cleaners may force network services to close.
If you've recently installed any new apps, try uninstalling them and checking your network. Malware or poorly coded software can interfere with network drivers, causing instability.
Resetting the router and extreme measures
If none of the above methods help, the problem may lie in the router's deep settings, which may have been corrupted or accidentally changed. A logical step would be to reset the router to factory settings. This will completely clear the configuration, including the network name, passwords, and provider settings.
To reset, find a small hole with the inscription on the router body. ResetPress it with a paperclip or needle for 10-15 seconds until the indicators blink simultaneously. After this, you'll need to reconfigure the router using the quick setup wizard. This will ensure that there are no software configuration errors.
In the worst case scenario, if the tablet does not connect to any network (neither home, nor public, nor from a phone), and resetting the settings did not help, it may be physically damaged. Wi-Fi module or antennas inside the device. This can happen after drops, exposure to moisture, or manufacturing defects.
⚠️ Important: Before resetting your router, be sure to find out your internet connection type (PPPoE, L2TP, Dynamic IP) and your ISP login/password, if required. Otherwise, you risk losing internet service throughout your entire apartment.
In this situation, the only solution is to contact an authorized service center for hardware diagnostics. Disassembling the tablet yourself may void the warranty.
When to take it in for repair?
If the tablet does not see any Wi-Fi networks (the list is empty), although other devices see them, and resetting the settings did not help, this is a sign of a hardware fault in the antenna module.
Frequently Asked Questions (FAQ)
Why does my tablet say "Saved" but the internet doesn't work?
This means authentication (password entry) was successful, but there's no data exchange with the router or internet access. Check if the internet is working on other devices over the same Wi-Fi connection. If so, the problem is with the tablet's IP address (see the section on DNS and static data). If not, the problem is with your ISP or router.
Can date and time affect Wi-Fi connection?
Yes, it can. If the date and time on your tablet are incorrect (for example, set to 2010), this causes security certificate (SSL) errors, and many modern networks or websites may not work correctly, even though they are technically connected. Set "Automatic Date and Time" to "Automatic Date and Time."
The tablet sees the network, but does not connect: error "Failed to obtain IP".
The router isn't assigning an address to the device. Try rebooting the router. If that doesn't help, limit the number of connected devices in the router settings or manually set a static IP on the tablet, as described in this article.
Does a tablet case affect signal reception?
Yes, if the case contains metal inserts, magnets, or is too thick. Metal shields the signal, and strong magnets can interfere with the antenna. Remove the case and check the reception.