How to Fix WiFi Not Working on a Google Pixel 9 Pro: Android 15 Network Reset, Band Selection, and Private DNS Fixes

The Google Pixel 9 Pro ships with WiFi 6E (802.11 a/b/g/n/ac/ax) and supports all three frequency bands — 2.4 GHz, 5 GHz, and 6 GHz — with 2×2 MIMO. On paper, it is one of the most capable WiFi clients available on a smartphone. In practice, its aggressive preference for the 6 GHz band, the way Android 15 caches network credentials, and a few known bugs introduced by the October 2025 system update all produce WiFi failures that look the same from the surface but require different fixes. Work through this guide in order; each step takes under two minutes.

Step 1: Basic Radio Cycle

Before touching any settings, confirm the problem is not a temporary radio glitch. Pull down the notification shade and tap the WiFi icon to turn it off. Wait five seconds, then tap it back on. The Pixel 9 Pro sometimes gets stuck negotiating a band handoff — particularly when moving between a 5 GHz and 6 GHz network — and toggling the radio forces a fresh scan and association attempt.

If toggling WiFi does not help, perform a full device restart: press and hold the Power button and Volume Up button simultaneously, then tap Restart from the menu. A cold restart clears the Android radio firmware state and resolves intermittent association failures that a simple WiFi toggle cannot reach.

Step 2: Airplane Mode Cycle

Swipe down twice to open the full Quick Settings panel and tap Airplane mode. Leave it enabled for 15 seconds, then tap it again to disable it. An Airplane mode cycle shuts down all radios simultaneously — WiFi, Bluetooth, and cellular — and brings them back in a clean state. This is more thorough than a WiFi-only toggle and frequently resolves authentication loops where the phone keeps attempting to connect but never completes the handshake.

Step 3: Check for Android 15 System Updates

A confirmed WiFi regression in the October 2025 Pixel update caused intermittent disconnects on the Pixel 9 series. Go to Settings › System › System update and install any pending update. Also check Settings › Security & privacy › More security & privacy › Google Play system update, which delivers connectivity patches separately from the main Android update track. If you are not on the latest December 2025 or later security patch level, updating alone may resolve your issue without any additional steps.

Step 4: Forget and Re-Add the Network

Android 15 caches the DHCP lease, DNS server list, and authentication tokens for every saved network. If your router has restarted, changed its IP range, or rotated its WPA2/WPA3 keys, the cached credentials become stale and the phone fails authentication silently. To clear them:

1. Go to Settings › Network & internet › Internet.
2. Tap the gear icon next to your WiFi network name.
3. Tap Forget.
4. Tap the network name from the available list, enter your WiFi password, and reconnect.

After re-adding the network, run a speed test to confirm throughput is normal before continuing.

Step 5: Disable Private DNS

The Pixel 9 Pro’s Private DNS feature (DNS-over-TLS) performs a certificate handshake before any network traffic is allowed. If you have a custom Private DNS entry pointing to an ad-blocking server or a DNS resolver that is temporarily unreachable, the phone will appear connected to WiFi but all traffic will fail — the status bar shows full bars while every app reports “no internet.” To check:

1. Go to Settings › Network & internet › Private DNS.
2. If it is set to a custom hostname, tap Off temporarily.
3. Test your connection. If it works, the DNS server you specified is the problem.
4. Switch to Automatic to use the DNS servers provided by your router, or update the custom hostname to a reliable resolver such as 1dot1dot1dot1.cloudflare-dns.com or dns.google.

This step catches a surprisingly high proportion of “WiFi connected but no internet” reports on Pixel 9 Pro units. See our guide on DNS-over-HTTPS and Private DNS for background on how this setting works.

Step 6: Disable Adaptive Connectivity

Android 15’s Adaptive Connectivity feature automatically switches between WiFi and mobile data based on signal quality. On the Pixel 9 Pro, it can incorrectly decide that your WiFi is too slow or congested and pull traffic to LTE/5G mid-session, creating the appearance of a WiFi failure. To disable it, go to Settings › Network & internet › Adaptive connectivity and toggle it off. Test whether the issue recurs. If disabling it resolves your problem, the root cause is your router’s signal quality in the location where you use the phone — consider repositioning the router or adding a mesh node to improve coverage.

Step 7: Address 6 GHz Band Steering Problems

The Pixel 9 Pro strongly prefers 6 GHz when it is available, but 6 GHz has significantly shorter range than 5 GHz. If your router and phone are separated by more than one room or a wall, the Pixel may lock to a 6 GHz signal that is technically present but too weak for stable throughput. Symptoms include connected status with poor speeds or intermittent drops at moderate distances.

The most effective fix is to create a separate SSID for the 6 GHz band on your router and not connecting the Pixel 9 Pro to it. Connect the phone only to your 5 GHz SSID instead. Most WiFi 6E routers (TP-Link, ASUS, Netgear, eero) support split SSID configuration in their admin panels. If your router uses a combined “smart connect” SSID, check for a “preferred band” or “band steering” setting and set the Pixel’s MAC address to prefer 5 GHz. See our deep-dive on WiFi band steering for how to configure this across router brands.

Additionally, on 5 GHz, avoid channel 44 if your router lets you set the channel manually — Pixel 9 series devices have reported intermittent disconnects on that specific channel. Channel 36 or 149 are reliable alternatives.

Step 8: Full Network Reset

If every step above has failed, perform a full network stack reset. This clears all saved WiFi networks, Bluetooth pairings, and mobile data settings — but preserves your apps, photos, and other data. Go to Settings › System › Reset options › Reset Wi-Fi, mobile & Bluetooth and tap Reset settings. After the reset completes, reconnect to your WiFi network from scratch and retest. This resolves cases where Android’s network configuration database has become corrupted after multiple system updates, which is a known issue on devices upgraded from Android 14 to Android 15 without a factory reset.

When the Problem Is the Router, Not the Phone

If the Pixel 9 Pro connects fine to other WiFi networks (a neighbor’s guest network, a coffee shop hotspot, or a phone hotspot) but not to your home network, the issue is router-side. Reboot your router by unplugging it for 30 seconds. Check that your router’s firmware is up to date — see our guide on how to update router firmware for step-by-step instructions across TP-Link, ASUS, Netgear, and eero. If your router is more than five years old and struggling with a WiFi 6E client, it may simply lack the band-steering intelligence needed to handle the Pixel’s aggressive 6 GHz preference cleanly.