Follow Wifi.se’s step-by-step guide and start with the simplest checks. Check the status of the service, the data and the correct settings before moving on to more advanced troubleshooting.
How to find the cause of a slow connection
- Try a different location, preferably higher up and closer to a window.
- Run several speed tests at different times of day.
- Check whether the result changes between 4G and 5G or, when roaming, between different networks.
- Test close to the router so that weak Wi-Fi is not confused with a weak mobile signal.
Test before you change settings
- Place the router somewhere more open, preferably higher up and near a window.
- Run several speed tests at different times of day.
- Compare 4G/5G Auto with another network mode if your router supports it.
- Check whether the problem affects all devices or only, for example, the TV.
If the problem mainly occurs in the evening, heavy load on the mobile network may play an important role.
Why this helps
When troubleshooting, it is important to first work out whether the problem lies with the SIM/eSIM, the mobile network, the router or the Wi-Fi connection itself. Change only one thing at a time and test again after each step. That makes it much easier to see which step actually solves the problem.
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