Internet Connection Drops Randomly

- Check whether the router shows a solid connection light — a blinking or red WAN light points to a line issue, not your device. - Restart the modem by unplugging it for 30 seconds, not just pressing the reset button. - Connect a device via Ethernet cable; if the wired connection is stable but Wi-Fi isn't, the problem is the router, not the Fastweb line. - Log into the router admin panel and check for firmware updates.

Mobile Service Has No Signal

- Toggle airplane mode on and off to force the device to re-register on the network. - Check APN settings: for Fastweb mobile, the correct APN is internet.it — an incorrect APN causes data to fail while calls still work. - If signal disappears in a specific location regularly, check the coverage map on the official site to confirm whether the area has known gaps.

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Is Fastweb Down? Live status & outage reports

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Fastweb common issues

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Service info and troubleshooting

Fastweb App Won't Open or Crashes: If the MyFastweb app freezes on launch or crashes immediately, the most common cause is an outdated app version conflicting with the current API. Update the app through the store, then clear the app cache from your device settings. If the issue persists, uninstall and reinstall — this resolves corrupted local data that a simple update won't fix.
Login Fails in Personal Account: Wrong credentials are the obvious culprit, but often the real issue is a session token that's gone stale. Log out completely, clear browser cookies, and try again. If you're using a saved password, type it manually — autofill sometimes appends extra characters. For persistent login loops, try a different browser or switch from Wi-Fi to mobile data to rule out a local network cache problem.
Internet Connection Drops Randomly: Check whether the router shows a solid connection light — a blinking or red WAN light points to a line issue, not your device.

Restart the modem by unplugging it for 30 seconds, not just pressing the reset button.

Connect a device via Ethernet cable; if the wired connection is stable but Wi-Fi isn't, the problem is the router, not the Fastweb line.

Log into the router admin panel and check for firmware updates.
High Ping and Slow Speeds: Run a speed test from a wired connection first. If results are far below your plan's speed, check whether other devices on the network are running background updates or streaming. On fiber plans, a faulty ONT device is a frequent bottleneck — the green optical signal indicator on the ONT should be solid, not blinking.
Online Payments Not Going Through: Payment failures in the account portal are often triggered by browser extensions blocking scripts. Disable all extensions and try again in a private window. If the card is being declined, confirm with your bank that online transactions are enabled — some banks flag telecom billing as unusual activity and block it silently.
Mobile Service Has No Signal: Toggle airplane mode on and off to force the device to re-register on the network.

Check APN settings: for Fastweb mobile, the correct APN is internet.it — an incorrect APN causes data to fail while calls still work.

If signal disappears in a specific location regularly, check the coverage map on the official site to confirm whether the area has known gaps.
SMS Not Delivered to Recipients: If outgoing messages show as sent but never arrive, the issue is usually a routing delay on the operator side. Try sending to a different number to isolate whether it's recipient-specific. Restarting the device and resending clears most temporary delivery holds. If the problem affects all outgoing SMS, contact support — it may indicate an account provisioning fault.