Mobile hotspot problem (root, dns issue) - Networking

Hi there, i just encountered this issue recently when my mobile hotspot on my Samsung S9 root with Magisk wont let my laptop connect to the internet. PC diagnosis says that DNS not available, or it seems to have problems reaching dns of my mobile network. My other phone also wont be able to reach internet when connecting to this hotspot. It used to work a few days ago.
I had no ideas why, i tried to remove cloudfare module in Magisk, no luck.
Please help.

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[Q] Not connecting to wifi

Hi i bought yureka on 5th Feb. I am facing a serious problem. I am not able to use the internet. When i connect to the wifi, it connects. But internet is not working. I am not able to access any websites. When i try to ping any website it says "Destination Source not Reachable" please help me
Please check if the connected WiFi source is connected to the internet.
If router/modem is not connected to internet, try restarting the router/modem.
Hit thanx if helped.
Sent from my Lenovo A6000
Same problem
I got my phone only a few days back. And I'm having the same issue. I'm able to access internet through very few wifi networks but not all. Other phones are able to access net through the same wifi. Have u found out the solution for this problem..?? Pls share..
Don't worry guys i have talked to customer service they said its a software issue nothing is wrong with the hardware. In the upcoming update it will be fixed.
I have yureka mobile and recently there is a issue in my mobile.I am not able to connect to internet automatically if WiFi is available.It require restart every time to make phone get connected to WiFi..

[Q] [HELP] Wifi hotspot not working

Suddenly WiFi Hotspot stopped while I was in CM11. I upgraded to CM12 still the same issue. When switch on wifi hotspot nothing happens. Previously it use give a notification saying that Tethering or WiFi hotspot active. But now nothing happens, no notification. Wifi works as usual but not WiFi Hotspot. I badly need a solution. Please anyone help me.
PavanSN said:
Suddenly WiFi Hotspot stopped while I was in CM11. I upgraded to CM12 still the same issue. When switch on wifi hotspot nothing happens. Previously it use give a notification saying that Tethering or WiFi hotspot active. But now nothing happens, no notification. Wifi works as usual but not WiFi Hotspot. I badly need a solution. Please anyone help me.
Click to expand...
Click to collapse
hey bro i got the same problem. My hotspot was active but can't connect to it by other devices.Other devices say's obtaining ip address it shows for hours.Anybody can help.
remove any VPN service
Manjot xda said:
hey bro i got the same problem. My hotspot was active but can't connect to it by other devices.Other devices say's obtaining ip address it shows for hours.Anybody can help.
Click to expand...
Click to collapse
Same issue here. Im using CM12.1, then I installed Orbot and runs as service. Portable hotspot did run OK with VPN running. This morning after I reboot my device, suddenly other device can't connect to hotspot (very long connecting progress). After I remove Orbot, it fixed.
Another solution can be read HERE that may comply to your issue.

Tethering help

Hey guys I need a little help, ever since I updated from slimkat rom 4.4 to cm 12 I can't get mobile phones to connect to my Hotspot only when using a VPN, laptops connects fine without issues but only mobile phones won't connect but however if I'm not running my VPN app then other phones connect fine so I'm wondering Y it used to work on slimkat rom but not on lollipop roms any ideas?
what do the logs say?
Well if i turn on Hotspot normally without running VPN app my blackberry phone connects without a problem but as soon as I start the VPN app and turn on Hotspot it won't connect, it says failed to obtain ip address but my laptops connects fine without issues

[Q] Odd WiFi Problem (No Internet Connection)

I just bought a Nexus 6P, rooted it, and installed PureNexus (Android 7.0.0). At home my WiFi works perfectly fine but I have issues at work.
Little background on our setup at work, we have 2 different wifi networks. One is a guest network with certain sites blocked at the firewall but nothing else really unique. The other is the main network with no firewall restrictions but you have to install a certificate to allow SSL traffic to be decrypted. Without the certificate you can go to any non-SSL sites, but secure sites will not load.
I'm able to connect to the guest network with no problems, but anytime I try to connect to the main network my phone says it has no internet connection. I'm able to get to internal resources on our network and the web browser actually does allow me to go online, but other applications won't. I've tried without the certificate, tried installing the certificate as WiFi and VPN/Apps but it doesn't seem to make a difference. Before the Nexus 6P I had an iPhone, which worked perfectly fine on the main network with the certificate. The last Android I had was on KitKat and it worked fine with the network configuration at work. Other people with Android have no problems with the network, but nobody has Nougat, yet. Any ideas on what's going on here or what I can do to fix it?
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Issues connecting to AirMore and similar apps

Previously, I had no issues with AirMore on my Redmi Note 7. Recently, I can no longer connect by scanning the QR code. I've tried using another Xiaomi phone with the same version of Android and MIUI (both have Blokada as the only thing modifying their network), and it works properly with AirMore. I've also tried the method where you input your phone's local IP address to connect to its AirMore server. Works on the other phone, but not on this one.
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Can anybody help me diagnose what the heck is happening here?
Any help? I've managed to determined that the phone refuses all local incoming connections for some reason. I really can't afford a factory restore, I have so much installed and configured just the way I want it.

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