Sprint galaxy s4 WiFi issue

Hello all I have a sprint galaxy s4 black model SPH-L720T my problem is the WiFi stinks alqays slow and drops the wifi connection alot my gf got a white one and it works great like the exact opposite of mine now mine is a replacement as the one i got from the sprint store was stolen can somebody please help me with this

Don't know if these numbers matter but

Fcc a36sphl720t
Dec 256 691 515 306 452 322
Hex 990 004 516 274 62
Thank you for the help also I no longer have service on it only wifi

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Tell more about your WiFi router settings.

Here I set mine to 802.11n and ac but stuck to WPA2 and not the sometimes broke WPA/WPA2

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Neighbors router

It's my neighbors router but it's set to 802.11 and wpa2 but if it were an issue with the router shouldn't my gf phone have the same problem which is why I wonder if my phones settings are to blaim

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I think this is bad news.

Since it's the neighbors router all bets are off. Test this at say a Panera Bread.

NOTE: Added this with moderator edit.

About the GF's phone. No.

Post was last edited on October 27, 2015 4:38 PM PDT

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Oh forgot wpa2psk

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