Ptcl Wireless problem

hello everyone i am having a problem my brother uses wifi on his phone. befor using wifi my internet speed is quite good and ping is good too but when he switches on wifi my internet speed decreases significantly and my ping goes up to 600-700. any solution? i am using 1 mb ptcl wireless broadband

[quote=“TalhaIsmail0, post:, topic:”]

hello everyone i am having a problem my brother uses wifi on his phone. befor using wifi my internet speed is quite good and ping is good too but when he switches on wifi my internet speed decreases significantly and my ping goes up to 600-700. any solution? i am using 1 mb ptcl wireless broadband

[/quote]

Screenshots of router ip address ping ?

Screenshots of router wifi settings ?

Screenshots of ping to ns3.ptcl.net