Slow WiFi on one device
Hello,
I've got a kinda weird problem. When I'm at home my WiFi speed is really slow, it takes like 5 seconds to send a WhatsApp message. When I'm at my friend's home and connect to his WiFi I don't experience any slow WiFi, also on 3G it's faster then my WiFi at home. My parents also both have an iPhone 4s and they don't experience any problems at home, so I think it isn't the router settings or something.
I tried resetting network settings but it didn't help.
I tried resetting my iPhone to factory but it didn't help either.
Can someone help me with this weird problem?
Thanks!
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