WiFi Not Turning On Phone Fix: Android and iPhone

Quick Answer

If WiFi will not turn on, the switch immediately turns itself back off, or the WiFi control is grayed out, restart the phone first. If the problem remains, check for system updates, test Android in Safe Mode when supported, and reset only the WiFi/network settings.

A temporary system software problem is one possible cause, but the symptom can also come from a downloaded app, corrupted network settings, device management restrictions, or a phone-side hardware problem. A router problem normally does not explain a WiFi switch that cannot be enabled.

Choose the Symptom That Matches

What you see	What it may suggest	How to test it	Next safe step
WiFi switch will not move to On	Phone-side software, restriction, or hardware issue	Restart the phone and try again	Check software and network settings
WiFi turns on, then immediately turns off	Temporary software problem or another phone-side condition	Restart and retest	Check updates and Android Safe Mode
WiFi option is grayed out on iPhone	iOS or device-side issue	Restart as Apple recommends	Continue with network reset if needed
WiFi turns on but no networks appear	Different WiFi detection or connection problem	Test near a known-working router	Troubleshoot network detection
WiFi turns on normally but internet does not work	This is not a WiFi-toggle failure	Test another device on the network	Troubleshoot the router or internet connection
WiFi and Bluetooth both stop working	Broader phone-side problem may be present	Restart and test both separately	Use targeted reset, then seek support if persistent

This guide is specifically for a WiFi control that cannot be enabled or will not stay enabled. If WiFi turns on normally but will not connect to a network, use a WiFi connection troubleshooting path instead.

1-Minute Safe Checks

Try these before resetting anything:

1. Open the main Settings app rather than relying only on the Quick Settings or Control Center button.
2. Confirm that Airplane Mode is off.
3. Try turning WiFi on from Settings.
4. Restart the phone.
5. After startup, wait about one minute and try WiFi again.
6. Check whether Bluetooth can be turned on normally.
7. Note whether the problem began after an operating-system update, app installation, drop, liquid exposure, or other event.

If the WiFi switch works after restarting, continue using the phone and monitor it. A restart resolving the problem suggests a temporary phone-side state was involved, but it does not identify the exact cause.

Fix 1: Restart the Phone

SAFE FIRST CHECK

Use This When

Use this first when:

• WiFi suddenly refuses to turn on.
• The WiFi switch immediately moves back to Off.
• The option has become unresponsive.
• WiFi worked normally before the problem appeared.

Why It May Help

Restarting reloads the phone’s operating system and wireless services without deleting personal data or saved WiFi networks.

Apple specifically instructs users to restart an iPhone or iPad when the WiFi setting is dimmed or grayed out. Google and Samsung also include restarting the phone early in their WiFi troubleshooting procedures.

Android

1. Hold the phone’s power control or open its power menu.
2. Tap Restart when available.
3. If your device only provides Power off, turn it off completely.
4. Wait about 30 seconds.
5. Turn it back on.
6. Unlock the phone.
7. Open Settings.
8. Open the WiFi or Internet settings.
9. Try turning WiFi on.

Power-menu behavior varies by Android manufacturer and model.

iPhone

1. Restart the iPhone using the normal procedure for your model.
2. Wait for it to complete startup.
3. Open Settings.
4. Tap Wi-Fi.
5. Try turning WiFi on.

Expected Result

The WiFi control should become responsive and remain enabled.

What the Result Means

• WiFi works after restarting: A temporary system or wireless-service problem may have been involved.
• WiFi still will not turn on: Continue with the phone-side checks below.
• WiFi repeatedly fails again after every restart: The restart is only providing temporary relief and further diagnosis is justified.

A successful restart does not prove that the operating system itself was defective.

Fix 2: Check for a System Software Update

CONDITIONAL STEP

Use This When

Use this when the phone can access the internet through mobile data or another available connection and the WiFi failure continues after a restart.

It is particularly relevant when the problem began after a software change or when the phone has not been updated recently.

Why It May Help

Manufacturers distribute operating-system updates containing software fixes and system improvements. Google recommends checking for the latest system update during Pixel WiFi troubleshooting, while Samsung recommends checking device software before its WiFi troubleshooting procedures.

Do not assume that an update will repair every WiFi failure. A software update cannot repair physically damaged wireless hardware.

Google Pixel

When connectivity permits:

1. Open Settings.
2. Open System.
3. Open the available software or system-update section.
4. Check for an available update.
5. Follow the on-screen instructions.
6. Restart if required.
7. Test the WiFi switch again.

Menu wording can change between Android and Pixel versions.

Samsung Galaxy

Samsung documents the following path on supported Galaxy phones:

1. Open Settings.
2. Tap Software update.
3. Tap Download and install.
4. Follow the on-screen instructions.
5. After the update and restart are complete, test WiFi again.

iPhone

If an update is available and you have a usable connection method:

1. Open Settings.
2. Tap General.
3. Tap Software Update.
4. Follow Apple’s instructions for an available update.

If WiFi is completely unavailable, updating wirelessly may not be possible. Do not use unofficial firmware files or flashing tools as a workaround.

Expected Result

After the phone runs current supported software, test whether WiFi can remain enabled.

What the Result Means

• WiFi begins working after an update: A software change may have resolved the condition.
• Nothing changes: Continue troubleshooting.
• No update is available: Do not repeatedly check for updates; move to the next relevant test.

An update fixing the symptom does not establish exactly which software component caused it.

Fix 3: Test Android in Safe Mode

DIAGNOSTIC TEST

Use This When

Use Safe Mode on Android when:

• WiFi worked before a recently installed or updated app.
• The WiFi switch turns itself back off.
• The problem started after adding VPN, security, automation, device-control, or networking software.
• Restarting normally does not help.

Safe Mode procedures vary by manufacturer. This section does not apply to iPhone.

Why It May Help

Safe Mode temporarily starts Android without normal operation of downloaded apps. Google and Samsung both use Safe Mode as a diagnostic method for identifying whether a downloaded app may be involved in WiFi problems.

Samsung Galaxy Example

On supported Samsung Galaxy phones:

1. Open the Quick settings panel.
2. Tap the Power icon.
3. Touch and hold Power off.
4. Tap Safe mode when it appears.
5. Wait for the phone to restart.
6. Open Settings → Connections → Wi-Fi.
7. Try turning WiFi on.

For other Android brands, use the manufacturer’s current Safe Mode instructions rather than assuming Samsung’s procedure applies.

Expected Result

Test whether the WiFi control works differently in Safe Mode.

What the Result Means

• WiFi works in Safe Mode: A downloaded app becomes more plausible as a contributor.
• WiFi still does not turn on: A downloaded app becomes less likely, but this does not prove hardware failure.
• The problem began immediately after installing one app: Remove or disable that app using the developer’s supported procedure and retest normally.

Exit Safe Mode by restarting the phone normally.

Do not uninstall random apps just because WiFi fails. Start with recently installed software that has a reasonable connection to networking, security, VPN, automation, or device management.

Fix 4: Reset WiFi or Network Settings

OFFICIALLY DOCUMENTED STEP

Use This When

Use a network-settings reset when:

• Restarting did not help.
• WiFi still will not turn on or stay on.
• A software update did not solve the problem.
• Android Safe Mode did not identify a downloaded app.
• There is no sign of physical or liquid damage.

This is not a factory reset.

Before You Reset

A network reset can remove saved connection information.

Depending on the phone, this may include:

• Saved WiFi networks
• WiFi passwords
• Bluetooth pairings
• VPN settings
• Cellular network settings
• APN settings

Make sure you know the password for important WiFi networks before continuing.

Google Pixel

Google currently documents:

1. Open Settings.
2. Tap System.
3. Tap Reset options.
4. Tap Reset Bluetooth & Wi-Fi.
5. Tap Reset settings.
6. Follow the confirmation prompts.
7. Restart the phone if necessary.
8. Test WiFi again.

Google notes that resetting these settings removes saved WiFi connections.

Samsung Galaxy

On currently supported Samsung guidance:

1. Open Settings.
2. Tap General management.
3. Tap Reset.
4. Select Reset Wi-Fi and Bluetooth settings or the available network-reset option.
5. Review what will be reset.
6. Tap Reset settings.
7. Confirm when requested.
8. Test WiFi again.

Samsung menu names vary by model and One UI version.

iPhone

Apple currently documents:

1. Open Settings.
2. Tap General.
3. Tap Transfer or Reset [device].
4. Tap Reset.
5. Tap Reset Network Settings.
6. Allow the iPhone to restart.
7. Test WiFi again.

Apple states that this resets WiFi networks and passwords as well as cellular, VPN, and APN settings.

Expected Result

The phone should rebuild its network configuration and allow WiFi to operate normally.

What the Result Means

• WiFi now works: A saved network or networking configuration may have contributed.
• WiFi remains unavailable: Continue to the hardware and service checks below.
• WiFi and Bluetooth both remain unavailable: Record this when contacting the manufacturer or repair provider.

Do not repeatedly perform network resets if the first properly completed reset makes no difference.

Fix 5: Check for Device Management or Restrictions

CONDITIONAL STEP

Use This When

Use this check when the phone belongs to:

• An employer
• A school
• An organization
• A child or supervised account
• A managed-device program

Also check this if configuration profiles or mobile-device-management software were recently installed.

Why It May Help

Managed phones can have settings controlled by an administrator. Changing or removing management without authorization can cause account, security, or access problems.

Steps

1. Determine whether the phone is managed by an employer, school, or organization.
2. Check for a work profile, management profile, or administrator-controlled configuration.
3. Do not remove an organization profile merely to test WiFi.
4. Contact the administrator and describe the exact symptom:
   • WiFi switch is grayed out
   • WiFi switch will not stay on
   • WiFi control cannot be changed
5. Ask whether a policy or device configuration applies.

Expected Result

The administrator can determine whether the behavior is intentional or whether the managed configuration needs correction.

What the Result Means

If the organization controls WiFi settings, ordinary consumer troubleshooting may not apply.

If the phone is not managed, continue with normal device troubleshooting.

When the Problem May Be Hardware-Related

A persistent WiFi toggle failure can eventually justify professional inspection, but software troubleshooting should not be skipped simply because WiFi does not turn on.

Hardware becomes more important to investigate when:

• WiFi remains unavailable after a restart and targeted network reset.
• WiFi cannot be enabled across multiple restarts.
• Bluetooth or other wireless functions also fail.
• The problem began immediately after a hard drop or impact.
• The phone was exposed to liquid.
• There is visible physical damage.
• The phone becomes abnormally hot around the time wireless functions fail.
• The manufacturer diagnostics or support process recommends service.

These observations do not identify a specific failed chip, antenna, board, or other component.

Do not open a sealed phone, heat the device, press on the motherboard, or attempt component-level repair as a beginner troubleshooting step.

When to Stop DIY Troubleshooting

Stop and seek manufacturer or qualified repair support when:

• The phone has known liquid exposure.
• There is visible corrosion.
• The device is unusually or dangerously hot.
• The battery or enclosure is swollen.
• The phone was physically damaged before WiFi failed.
• WiFi stays unavailable after the documented non-destructive troubleshooting steps.
• Important data could be lost by the next troubleshooting procedure.

A full factory reset is deliberately not included as a routine fix in this guide.

The inability to enable one wireless feature does not, by itself, justify erasing the entire phone. A factory reset also cannot repair damaged wireless hardware.

Common Mistakes

• Restarting the router when the WiFi switch itself will not turn on If the phone cannot enable its own WiFi radio or the setting is grayed out, the router is not the first thing to troubleshoot. Router troubleshooting becomes relevant after the phone can turn WiFi on but cannot detect, join, or use a network.
• Assuming a software glitch is confirmed: A temporary system problem is possible, particularly when restarting restores WiFi. However, the same visible symptom can have several causes. Treat “system software glitch” as a hypothesis until testing supports it.
• Repeatedly tapping the WiFi switch: If the control immediately returns to Off, repeated tapping does not provide useful diagnostic information. Restart the phone and move through the troubleshooting sequence instead.
• Installing unofficial WiFi-fix apps: An app cannot safely repair unknown operating-system or hardware faults merely by claiming to “repair WiFi.” Avoid cleaners, boosters, firmware tools, and similar utilities that are not part of the phone manufacturer’s troubleshooting process.
• Factory-resetting too early: Network settings can be reset independently on supported Android phones and iPhones. Use the targeted reset first. A full factory reset erases substantially more information and may still fail if the underlying problem is hardware-related.

Frequently Asked Questions

Related Topics:

• How to Fix Wi-Fi That Keeps Disconnecting
• How to Fix Android Wi-Fi Obtaining IP Address
• Wi-Fi Password Is Correct but Phone Won’t Connect
• How to Fix Public Wi-Fi Login Page Not Showing

Official Sources

Official sources checked: August 9, 2026

Google Pixel Help

Page: How to fix Wi-Fi connection problems

Direct verified URL: https://support.google.com/pixelphone/answer/6183600?hl=en

URL status: Verified accessible on August 9, 2026

Supports:

• Restarting and troubleshooting phone-side WiFi problems
• Using Safe Mode to test whether a downloaded app may be involved
• Resetting Bluetooth and WiFi settings
• Checking for the latest system update after reconnecting
• Warning that some Pixel models cannot use hotspot and WiFi simultaneously

Scope limitation:
Exact settings and behaviors apply to supported Google Pixel phones. Other Android manufacturers may use different menus or features.

Apple Support

Page: If you can’t connect to Wi-Fi on your iPhone or iPad

Direct verified URL: https://support.apple.com/en-us/111786

URL status: Verified accessible on August 9, 2026

Supports:

• Turning WiFi on from Settings
• Checking that Airplane Mode is off
• Restarting when the WiFi setting is dimmed or grayed out
• Resetting network settings after simpler troubleshooting fails
• Warning that network reset removes WiFi passwords and other network settings
• Contacting Apple when the device cannot connect to any WiFi network

Scope limitation:
Applies to supported iPhone and iPad software. Available screens can differ by software version.

Samsung Support

Page: Galaxy phone or tablet Wi-Fi connection issues

Direct verified URL: https://www.samsung.com/us/support/troubleshoot/TSG10002018/

URL status: Verified accessible on August 9, 2026

Supports:

• Restarting a Galaxy phone or tablet
• Confirming that WiFi can be switched on
• Resetting WiFi and Bluetooth settings
• Samsung-specific WiFi troubleshooting

Scope limitation:
Menu wording and available reset options vary by Galaxy model, carrier, region, and One UI version.

Samsung Philippines

Page: How to troubleshoot a Galaxy phone that won’t connect to a Wi-Fi network

Direct verified URL: https://www.samsung.com/ph/support/mobile-devices/how-to-troubleshoot-a-galaxy-phone-that-wont-connect-to-a-wi-fi-network/

URL status: Verified accessible on August 9, 2026

Supports:

• Checking for Samsung software updates
• Restarting the Galaxy phone
• Resetting network settings
• Testing WiFi in Safe Mode
• Warning that reset procedures affect network information

Scope limitation:
The page’s instructions apply to supported Samsung Galaxy devices, and Samsung states that screenshots and menus may vary by model and software version.

How This Guide Was Verified

Last technically checked: August 9, 2026

Research method:
Current Google Pixel, Apple, Samsung US, and Samsung Philippines support documentation was opened and reviewed. Troubleshooting procedures, warnings, page titles, and direct source URLs were checked before output.

Physically tested:
No documentation reviewed.

Applies to:
Android phones and iPhones where WiFi cannot be enabled, immediately turns itself back off, or appears disabled or grayed out.

Important limitation:
Android menus and Safe Mode procedures vary by manufacturer and software version. A persistent WiFi failure cannot be classified as software or hardware from the WiFi toggle alone.

Data-loss risk:
Conditional. Targeted network resets can remove saved WiFi passwords, Bluetooth pairings, VPN information, and other networking settings depending on the device. No factory reset is recommended in this guide.

Final Steps

• Start with a normal restart. If WiFi still cannot be enabled, check for supported system updates and, on Android, use Safe Mode when appropriate to determine whether a downloaded app may be involved.
• If the problem continues, use the manufacturer’s targeted WiFi or network-settings reset rather than immediately erasing the phone.
• If WiFi remains unavailable after those steps particularly after a drop, liquid exposure, or when other wireless functions also fail contact the manufacturer or a qualified repair provider. Persistent failure makes further diagnosis necessary, but it does not by itself prove a specific hardware component has failed.