WiFi Not Working on Android–Introduction–Complete 2026 Troubleshooting Guide
WiFi Not Working on Android - Introduction
When WiFi stops working on your Android phone, everything becomes difficult - no browsing, no apps loading, no streaming, and no updates.
The good news: 90 percent of Android WiFi problems can be fixed at home with a few simple checks.
This detailed guide covers:
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Common reasons WiFi fails
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Step-by-step Android fixes
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Router and modem checks
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Advanced troubleshooting
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When to reset network settings
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When a hardware issue is suspected
Let us go step-by-step and fix your Android WiFi issue properly.
1. Common Reasons WiFi Stops Working on Android
Understanding the issue helps you apply the right fix:
1.1 Incorrect WiFi settings
Wrong password, Airplane Mode enabled, or WiFi turned off.
1.2 Router or ISP issues
Your phone may be fine, but the WiFi router or internet provider may be down.
1.3 Software bugs after update
Android updates sometimes break WiFi drivers.
1.4 Too many devices connected
Routers have limits; when overloaded, new devices fail to connect.
1.5 Weak signal / distance
Walls, floors, and appliances weaken the WiFi signal.
1.6 IP conflict
Two devices using the same IP causes connection failure.
1.7 Corrupted network settings
Old saved WiFi configurations cause authentication errors.
1.8 Hardware issues in phone
Damaged antenna, motherboard issue, or water damage.
Now let us fix the problem step-by-step.
2. Basic Checks (Do These First)
2.1 Toggle WiFi Off and On
Swipe down → Turn off WiFi → Wait 5 seconds → Turn it back on.
This resets the internal WiFi driver.
This resets the internal WiFi driver.
2.2 Restart Your Phone
A restart clears temporary bugs blocking WiFi.
2.3 Check Airplane Mode
If Airplane Mode is ON, WiFi may not work.
Turn it OFF completely.
Turn it OFF completely.
2.4 Verify the WiFi Password
If you see:
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Authentication error
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Incorrect password
Then re-enter the password carefully.
2.5 Ensure You're Within Range
Move closer to the router and test again.
3. WiFi Still Not Working? Try These Android Fixes
3.1 Forget the Network and Reconnect
Settings → Network & Internet → WiFi → Select your network → Forget
Then reconnect with the password.
Then reconnect with the password.
This fixes:
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Authentication error
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IP conflict
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“Connected but no internet”
3.2 Turn Off VPN
VPN apps can block WiFi access.
Disable it temporarily.
Disable it temporarily.
3.3 Turn Off Battery Saver / Power Saving Mode
Battery saver restricts background WiFi usage.
3.4 Disable Adaptive Connectivity (if available)
Some phones switch between data and WiFi automatically.
Turn this off to avoid drops.
Turn this off to avoid drops.
4. Router-Side Fixes (VERY Important)
Sometimes the issue is not your phone.
4.1 Restart the Router
Turn off → Wait 15 seconds → Turn on.
4.2 Check if WiFi Works on Other Devices
If others also cannot connect → Router or ISP issue.
4.3 Ensure Router Is Not Overloaded
Kick unnecessary devices from the router admin panel.
4.4 Check for Internet Outage
Your service provider may be down.
Switch to mobile data to verify.
Switch to mobile data to verify.
4.5 Try Connecting to Mobile Hotspot
If Hotspot works → Router issue, not phone issue.
5. Advanced Fixes on Android
5.1 Change IP Settings from DHCP to Static
Go to WiFi → Your Network → Advanced → IP settings → Static
Set:
Set:
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IP: 192.168.1.100
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Gateway: 192.168.1.1
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DNS: 8.8.8.8
This fixes IP conflict issues.
5.2 Reset Network Settings
This is the MOST effective fix for deep WiFi issues.
Settings → System → Reset → Network Settings Reset
This clears:
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Saved WiFi networks
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Bluetooth devices
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APN settings
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Network drivers
WiFi issues like:
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“Connected but no Internet”
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“Obtaining IP Address” stuck
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No WiFi networks showing
are usually fixed after this step.
5.3 Update Your Phone’s Software
Go to Settings → System → Software Update
WiFi driver bugs are often patched in updates.
WiFi driver bugs are often patched in updates.
5.4 Boot in Safe Mode (to test faulty apps)
Long-press power button → Long-press “Power Off” → Tap Safe Mode
If WiFi works in Safe Mode →
An app is blocking your WiFi.
An app is blocking your WiFi.
Uninstall:
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Firewall apps
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VPN apps
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Network booster apps
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Unknown antivirus apps
6. Physical / Hardware Issue Checks
6.1 Check for Recent Drops or Water Damage
A damaged WiFi chip causes:
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No WiFi networks visible
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“Turning on WiFi…” stuck
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WiFi option greyed out
If yes → service center required.
6.2 Check the Back Cover or Case
Metal covers affect WiFi antennas.
Remove your case and test again.
7. Special Cases: Common WiFi Errors Explained
7.1 Obtaining IP Address Stuck
Fix:
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Forget network
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Change IP to static
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Reboot router
7.2 WiFi Authentication Error
Fix:
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Correct password
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Forget network
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Reset network settings
7.3 Connected but No Internet
Fix:
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Router restart
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Try mobile hotspot
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DNS = 8.8.8.8
7.4 WiFi Keeps Disconnecting
Fix:
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Disable battery optimization
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Turn off adaptive connectivity
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Reduce distance from router
8. When to Visit a Service Center
If you see any of these, it is likely hardware damage:
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WiFi not turning ON
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WiFi toggle is greyed out
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No WiFi networks appear
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WiFi disconnects instantly
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Started after a drop or water exposure
A technician may need to replace:
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WiFi IC
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Antenna cable
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Motherboard components
Frequently Asked Questions (FAQ)
Why is my WiFi not turning on at all?
A: This usually indicates hardware failure or a damaged WiFi chip.
My phone connects to WiFi but the internet does not work. Why?
A: The issue is likely with your router or your internet service provider.
Does network settings reset delete my photos?
A: No, it only resets WiFi, Bluetooth, and network configurations.
Why does my WiFi disconnect when the screen locks?
A: Battery saver or background restrictions may be causing this.