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Generic network issues. Before using this tag, check if there's a closer fit (see tag wiki).

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13 views

How to spawn “sign-in to network” page for a captive portal?

On a Z828 from ZTE, android version 5.1.1, all too often I get a login page like: when using public Wi-Fi. Whereas, what I want to spawn is the login webpage with terms and conditions to spawn. ...
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0answers
30 views

Android wifi (oreo) dropping. Because of pihole?

First of all, my apologies if I'm posting in the wrong forum. I'm a bit lost in the SE galaxy. But since my issue is quite complex and specific, I feel this is the best place. Let me know if I'm wrong....
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0answers
27 views

Android IPv6 implementation

Can somebody please answer me if Android pie does supports the following: DHCPv6 IPv6 address assignment stateful IPv6 address assignment stateless Stateless: RDNSS(getting DNS server address from ...
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0answers
14 views

installing middle relay node on android

I looked for many solution to use phone connection from other devices. All solutions relay all the traffic which is unwanted and heavy, as a web developer I thought of using proxy app on desktop which ...
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0answers
48 views

How to ensure that the device is always connected to our own hotspot accesspoint instead of any other network?

I'm trying to connect to a hotspot on another device. But the problem is, the device immediately switches back to another network with internet connection. I want to prevent this behavior, and ensure ...
1
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1answer
101 views

Wifi status 'Connected, no internet'. Can access all internet resources I've tested

Related question I've put a new router into the office to run our 'guest' wireless network. It's a FRITZ!box 3490. Android devices connected via both 2.4 and 5G are showing as 'connected, no ...
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1answer
37 views

A way of doing secure data exchange in Android?

To my knowledge, all current Android apps with internet permission enabled are prone to apps stealing data. For example, if you have a messaging app, all your messages are readable by the company ...
2
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0answers
28 views

How can I troubleshoot a very slow initial connection when web browsing on WiFi?

This has been bugging me for quite some time. When connected to my home WiFi, web connections take a long time to initially establish (like ~10 seconds+) on two separate Android phones (OnePlus 3, ...
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1answer
31 views

Android still uses old ip when resolving hostname

I have a weird problem here. I use ftp to exchange files between my smartphone (Xperia Z5 compact) and my pc. A while back the pc had a static ip address but now it's assigned one via dhcp. When I ...
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1answer
39 views

Toast message: Failed to init Google DNS, switch to host IP method

Recently, after unlocking my phone screen (Samsung J7 Pro - J730, stock ROM, Android 7 Nougat), I usually receive a toast notification saying: "Failed to init Google DNS, switch to host IP method". I ...
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0answers
86 views

Debug android apk network

I am looking for android app network info from 3 months, but fail to debug any third party app. I try many apps as suggest on stackexchange (e.g: OS exchange, network monitor apps) but they only ...
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0answers
143 views

Play Store on Oreo cant download apps when VPN turned on

We have an issue where Android Oreo (v8.0) cannot download apps from the Play store when a VPN is turned on. This also happens to affect the Airwatch MDM agent in the same way as well. Devices - ...
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0answers
37 views

How is the GSM Call Flow implemented and when is the microphone opened?

Is it possible to know how is the GSM call flow implemented on Android? I will like to know concretely when its the microphone opened.
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0answers
20 views

Unable to connect to Raspberry Pi3 by hostname from Android VNC Viewer [duplicate]

I installed VNC Viewer on my Ubuntu from here. Then, I could connect to my Raspberry PI by both hostname and IP address. However, I can't do the same from my Samsung Note 8 I can't connect by hostname ...
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0answers
370 views

How can I Disable Background Data Usage for 'Android OS'?

I recently rooted my phone so that I could use AFWALL+ to disable Background & Foreground Data Usage for everything except the Browser, and it is working fine for all apps except for a package ...
2
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1answer
127 views

ping <ip> fails, but ping -I eth5 <ip> works in Android shell

I am trying to enable Ethernet on my Android-7.1.2. Now, it can acquire ip address from DHCP server. ifconfig shows that the Ethernet port can receive lots of packets, but just sends a few out, as ...
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0answers
33 views

How can I continuously measure mobile network coverage on a particular journey?

Every day I spend almost 2 hours on a train to my job and back. My current cellular provider gives me a terrible service most of the time within the train. I'd like to buy/borrow SIM cards of all ...
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0answers
22 views

How to add a Brother printer manually?

I switched printers (from Samsung to Brother), both are WiFi enabled and connected to a network 10.0.0.0/24. My Android phone (Samsung 9+) is on another network within the same LAN (10.1.0.0/24). It ...
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0answers
801 views

Setting static ip for Android hotspot

I'm connecting to my Android's hotspot. I see that the IP is 192.168.43.0/24, so any ip in 192.168.43.X would be reserved for Android's DHCP server. But I need the machine that connects to Android's ...
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0answers
31 views

How to access the smart TV storage on LAN?

I have Micromax Canvas Smart TV whose basic specifications are Android KitKat, 32" HD Screen RAM-1GB, Internal Memory-4GB (for users about 2GB) No. of USB Port-2, No. of HDMI Port-2, SD Card Slot-1, ...
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0answers
38 views

How to list an app's internet connections and connected IPs?

I'm currently living in a country in which YouTube website is banned and you'll need a VPN or a proxy to be able to access the YouTube website and videos using a web browser, but surprisingly, I've ...
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0answers
186 views

How to make network calls on Android with an app in the background [closed]

I am building a react-native app that launches a series of network requests (both UDP, HTTP) when it receives a special kind of notification, or based on a delayed execution. However it turns out ...
0
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1answer
24 views

Setting Dynamic IP Address from command line

I am working with android, I have connected a ethernet cable to ethernet port of my hardware. I am not getting any network. I am using Android O. In linux I can use dhclient eth0 (for getting IP ...
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0answers
26 views

What is the default values of “ip_conntrack_max” and “nf_conntrack_tcp_timeout_established” on android?

Also, does these value also affect the hotspot function on Android phones?
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0answers
29 views

The effect of excluding the routes of DNS servers used by OpenVPN in Android

My question is: What will happen when I exclude the routes of DNS servers from config file used by an OpenVPN connection in Android? Will there be any difference between the connections which I don't ...
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0answers
35 views

where does free proxy sit and what can it actually see when used for 4g android phone?

The ip address of my android mobile with 4g simcard (with out proxy) shows some thing like 10.xx and so on. when I setup a manual proxy, where does it exactly sit in the network of internet? "Will it ...
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0answers
15 views

Signal Problem of S8+

I recently bought a Samsung S8+. The phone is alright but I got stuck in a problem. One of the network provider SIM is not working. As a simulation, I used following steps: I exchange the slots, ...
2
votes
1answer
508 views

Disable NAT on tethering (Bridge mode)

I've looked around but found nothing on this subject. I have an Android phone with a public IP given by sprint. Tethering on the android uses NAT, so if I want to access any of the devices behind the ...
2
votes
1answer
61 views

Android DHCP Port Redirection

I am working on a MirrorLink implementation for the Google Pixel (Android 8.1.0). I must implement a DHCP server; however, Android applications cannot listen on reserved ports. The Android ...
0
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2answers
5k views

Brand new Moto G6 won't send or receive SMS

My brand new out of the box Moto G6 won't send or receive SMS. I'm using the official SMS app which has SMS permissions (triple checked this) and is the default SMS app. I tried everything: cleaning ...
-1
votes
1answer
43 views

Is there a limit to how many WiFi networks can be stored?

When you go to a new place and connect to a wifi android "remembers" it and connects automatically next time. Is there a limit to how many networks can be stored? I understand it is probably not ...
3
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0answers
113 views

Wifi authentication error occured

So I've been having this issue for the last month+ and I have yet to find an answer. I have a Samsung Galaxy S6 running Android 7.0 My home wifi was working fine until one day, seemingly out of the ...
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0answers
116 views

Only one network interface active at a time in Android

I was looking into the network configurations in Android devices. Android makes WI-FI as the default network preference. And I noticed only one network interface can be active at a time in Android. ...
0
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1answer
75 views

Check built-in PPTP VPN stats

Is there any way to check VPN stats for stock PPTP VPN applet? Maybe some stat-file or GUI-way? If not, can we utilize Tasker for that? I particularly interested in uptime indicator, i.e. was my VPN ...
1
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0answers
44 views

Strange wifi issue

Something strange happened today with my Asus Zenfone Go. I was configuring the device as new after a remote erase (I erased it with find my device). Before asking for my Gmail account it was asking ...
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0answers
65 views

Is it possible to add exceptions to Open VPN on android?

Is there a way to add an IP exception to the Open VPN app or the .ovpn file that I'm using? I want to use the VPN for all traffic except for one address on the local network. The situation is a React ...
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0answers
129 views

accessing shared windows 7 folder from Android suddenly stopped

It used to work and 1 fine day - I kept getting host is not reachable when I tried to access shared windows folder in same WLAN via Android file explorer utilities ( tried X-plorer and ES file ...
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0answers
41 views

Keep Having to Reconnect WiFi (Only on my phone only on my home WiFi)

I recently bought Essential Phone PH-1 and I am experiencing a weird issue on my home wifi. I keep losing internet 3-10 times per evening. Then I turn off wifi, turn it back on, and it's working well ...
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0answers
23 views

Is there a way to load a dex file by an Android app from outside of its own package?

E.g., remotely downloading and executing a dex file by an Android app.
1
vote
1answer
4k views

Connect android emulator to lan

I try, to connect my android emulator (from sdk) to the lan via a network bridge and a tap interface and with the -qemu option. I need it to use multicast addresse in native library code for ...
1
vote
1answer
523 views

How to use -net-tap with android sdk emulator?

I am trying to create a bridge between android emulator (from android sdk) and host system using -net-tap. Is there any working manual for that case? I have tried to launch emulator with -net-tap tap0 ...
0
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0answers
47 views

Allow Android 2-step verification app access to VPN / shadowsocks

When logging in to a Google account, the Android 2-step verification phone prompt does not work for me. The prompt appear on my Android phone, but when I click Yes, nothing happens. Allow VPN / ...
1
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0answers
276 views

Wifi stuck in “Obtaining IP address”, but connects in another area

When I am at my desk at work the Wifi does not connect to my phone and I get stuck looping in "obtaining IP address". However if I step away from my desk to another part of the building, my phone ...
0
votes
1answer
1k views

How to test internet speed using terminal emulator on Android

I have Termux app installed on my Android phone. Is there a speed test tool that I can install and use from the command line? I have tried speedtest-cli, installed it by: pip install speedtest-cli ...
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0answers
184 views

Android error “Failed to connect to the network. Please check you network connection status”

I'm using lenovo p2 phone. I'm getting following popup error every few seconds. It is very annoying.My mobile data connection is on. But it is showing " Failed to connect to the network. Please check ...
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0answers
273 views

Changing network settings from the command line in Nougat

Context We have a platform where another Linux system called "Yocto" runs in a chroot environment inside Android L. We have recently made the decision of migrating to Android N. One of the things ...
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0answers
137 views

How can I set ipv6 DNS via command line (ndc)?

Is it possible to set ipv6 DNS servers using ndc via adb? root is not a problem, mobile connection is a must have. I was thinking about something like ndc resolver setnetdns <netId> <...
0
votes
1answer
59 views

Can an older Android phone using Android 4.4.2 act as a spam server?

First excuse my lack of knowledge in anything Android related. I wanted to ask if there is any possibility that an un-supervised Android phone, older Samsung model, running Android 4.2.2, act as a ...
0
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0answers
21 views

How to limit app using wifi from shell

The Android root firewalls didn't work on my android emulators, How can I limit app using wifi using shell?
0
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1answer
60 views

HTTPS websites slow on Phone

I am trying to investigate why our Phones are experiencing slow browsing to HTTPS sites. It happens only the first time after the phone in question has been locked for a couple of minutes or more. So ...