Phone keeps switching between Wi-Fi networks unexpectedly

Symptoms

• Phone jumps between two Wi-Fi networks with the same or similar name
• Brief internet interruptions during the switch
• Happens more in areas with overlapping Wi-Fi coverage
• One network is preferred but the phone keeps choosing the other

Likely causes

• CommonTwo saved networks with similar signal strength competingIf multiple networks are available and saved, phones sometimes switch to whichever has a marginally stronger signal at any moment.
• CommonMesh Wi-Fi system's normal band-steering behaviorModern mesh systems intentionally move devices between access points and bands for optimal performance, which can look like switching.
• PossibleWeak signal on the preferred network triggering a fallbackThe phone may switch to a backup network when the primary one dips below a certain signal threshold.
• PossibleAuto-join enabled for multiple saved networks in the same areaOverlapping network availability with auto-join can cause frequent switching.
• Less commonRouter or mesh node needing a firmware updateOccasionally band-steering bugs in router firmware cause more switching than intended.

What to do

1. Check the Wi-Fi settings for all saved networks in the area and remove ones you don't want the phone auto-joining.
2. If using a mesh Wi-Fi system, understand that some switching between nodes/bands is normal and by design for best performance.
3. Check the signal strength of the preferred network in the areas where switching happens most.
4. Update your router or mesh system's firmware.
5. Disable auto-join for the less preferred network if you want to force the phone to stay on one.
6. Restart the phone and the router/mesh system.
7. If the switching causes noticeable interruptions rather than being seamless, consider adjusting mesh system settings or contacting its support.
8. If this is a persistent problem with a single traditional router setup (not mesh), consider updating its firmware or replacing an aging unit.

When to call a pro

If a mesh system's switching causes noticeable interruptions rather than being seamless, its manufacturer's support can advise on settings adjustments.

Safety