All wireless routers broadcast Wi-Fi signals on a channel. If any of these channels get too busy – i.e. if your neighbour’s router is broadcasting on the same channel as yours – it can interfere with your signal and slow your internet down.
Before you change your wireless channel, try rebooting your router first. This gives your router a chance to automatically select the best channel and is often more accurate than choosing a channel yourself. If this doesn't help, try changing your wireless channel manually using the steps for your router below.
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