Wifi disconnected automatically

[Manpanchal]

When I connect my phone with wifi it gets connected but it shows wifi connect but no internet but meanwhile have running internet connection. 

[MosquitoMan]

That sometimes means you have put incorrect password or maybe changed the password of wifi, it happens basicall due to bajillion reasons.
Just forget/delete your wifi connection and Connect to it again.

[Manpanchal]

Have done it many times dear isn't work

[MosquitoMan]

Reset "Networking Settings" from "General Management > Reset"

[Manpanchal]

Reset done but still problem is there

[MosquitoMan]

Could be due to DNS issues. Go to seetings and turn off and on DNS and make sure its on automatic.
If any of your devices which are comnected to wifi are using vpn then this happens as well.
Try turning on and off both the phone and router.
Reset router or phone. Though router is easier to reset. Don't reset router if you don't know how to set it up back.

[Manpanchal]

Yes it's working with all other devices

[harley54]

did that resolved