Questions tagged [wi-fi]

For questions specifically about issues with WLAN network connectivity (via a wireless router) as opposed to questions related to cellular connections (2G/3G/4G, etc.).

782 questions with no upvoted or accepted answers
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9
votes
5answers
7k views

Endless “Obtaining IP Address” loop

Possible duplicates: https://android.stackexchange.com/questions/60139/ice-cream-sandwich-cant-obtain-ip-address-what-do-i-need-to-delete-to-reset-wi Device stuck on "obtaining IP address", ...
8
votes
2answers
14k views

“Always allow WiFi roam scans ” - is it of any help to end user?

Screenshot ( at bottom ) shows the option in Developer Options. It reads Is it of any use for end users to activate it? Description leads me to guess it might be useful when you are on the edge of ...
8
votes
2answers
1k views

LG G5 Slowing down the house internet

The story started about a month and a half ago. At random times the internet speed went down drastically, changing between 0MB/s to 75MB/s (which is my maximum). I have called countless times to my ...
8
votes
1answer
1k views

WPS Server on Android

Would it be possible to emulate a Wi-Fi Protected Setup Server protocol on an Android device? This way when using the device as a portable Hotspot, I could use a strong password and allow clients to ...
8
votes
0answers
1k views

Is there any way to auto-reconnect with a specific PPTP connection on Android?

Every time my phone switches between networks (e.g. 4G to Wi-Fi) the established PPTP connection drops. I know there is a feature called Always-on VPN, but that seems to only apply to L2TP or IPSec ...
7
votes
1answer
14k views

How to port-forward internet using android Hotspot to PC?

I have a Moto G3 Turbo with Android 6.0.1 Marshmallow. I use the phone to make wifi hotspot so I can use internet on my laptop. I was able to do a successful Metasploit over WAN/Internet, and for ...
7
votes
9answers
366k views

Wifi keeps disconnecting and reconnecting frequently

I have an android phone running 4.2.2. I am using TP-LINK ADSL router and the connection is stable. But everytime I open an app that tries to access internet, my connection keeps connecting and ...
6
votes
0answers
2k views

Connecting WiFi via ADB Shell (Oreo 8.1 - LineageOS)

I've tried all publicly discussed methods I could find to connect to WiFi via ADB on a phone with a broken screen (no display/no touch). The closest I have got is via wpa_cli using the method #1 ...
5
votes
1answer
164 views

Where have all my wifi credentials gone?

My Oneplus One updated itself to the latest CyanogenMod kernel version a couple of days ago which has caused it to forget all my previously stored WPA keys and preferred wireless networks! I was ...
5
votes
1answer
2k views

hostapd not working from adb shell

I have a LG G3 running 5.1.1 and I can successfully enable Portable Wi-Fi hotspot through the Settings menu. I can see my portable Wi-Fi SSID on another Android device when enabled through the ...
5
votes
2answers
3k views

Wifi not working on Samsung S3 (WifiStateMachine( 2240): Failed to load driver)

as I am really desperate now about the wlan problem on my Samsung Galaxy S3 GT-I9300 I am now going to post a question in the hope that someone might help me fix it. Problem description: I cannot ...
5
votes
2answers
8k views

Only 1 arrow flashing when connected to wi-fi

Recently when I connect to my companies wi-fi network, it says I'm connected with 1 bar the up arrow flashes white but the down arrow does not flash at all and I can not use any apps internet, ...
4
votes
0answers
2k views

No 'Use system certificates' options on Samsung S9

I'm trying to connect to a wifi network using PEAP, but I cannot find the use system certificate option, shall I enable that in some way?
4
votes
2answers
4k views

How to stop Android from switching between Wifi APs automatically?

I have several WiFi APs for different purposes. One is for printing, one is for smart devices with access to the internet, another for devices with no access to the internet for security concerns, and ...
4
votes
0answers
631 views

ifup/ifdown scripts

I am fiddeling with some network related things and want to try them on Android too. In Ubuntu it was quite easy to run some commands if an interface (eth0 or wlan0) goes up or down by simply adding ...
4
votes
2answers
4k views

Why does my S5 keep connecting to wifi and how can I PERMANENTLY stop it from doing that

Little bit of background, at my place of employment wifi is provided (a free version which isn't locked, and a version which is locked). I don't want to connect to either. It keeps connecting to the ...
4
votes
0answers
7k views

Wifi symbol always show exclamation mark since Lollipop upgrade

Since getting the recent Lollipop upgrade, the wifi symbol always has an exclamation mark. Wifi seems to work fine, and I gather this symbol means something to do with inability to access Google ...
4
votes
1answer
2k views

Moto G WiFi reception severely affected by Bluetooth

I suspect this may just be a hardware fault that I have to live with or have repaired, but let's see... My stock 1st-gen 16GB Moto G running 4.4.4 has been working flawlessly for almost a year. A few ...
4
votes
1answer
937 views

Google+ auto backup jams up my WiFi network

For months I tried to track down a ping issue (high ping; disconnect & reconnect my router; low ping for about 20 minutes; high ping again). Turns out, thanks to this answer, it was the Google+ ...
4
votes
0answers
2k views

Stuck at Turning WiFi on

I've a Vonino Luna 70C tab with Android Ice Cream 4.0.4. Today, while watching an YouTube video, my WiFi connection went down all of the sudden. After restarting the tablet, I couldn't turn WiFi on ...
4
votes
1answer
7k views

Is there a way to use an Android tablet as a wifi handsfree device?

My situation: Android (4.0.3) tab hooked up to my car stereo using the headphones connector. Android (2.3.5) phone (HTC Desire HD), which I use to call, text, browse, etc. Since my car stereo's ...
4
votes
2answers
823 views

Why Google Play services upload nonstop 1MB/s everytime the device is connected to wi-fi?

Device: Nexus 5, Android Version 6.0.1 Every time the phone is connected to my home wi-fi after a couple of minutes the phone uses my whole bandwidth to upload something to varying Google (1e100.net)...
4
votes
2answers
2k views

Messaging apps don't receive messages when on wifi with screen locked

I have a galaxy s5 phone running on android 5.0. In home and in office, when I'm connected to wifi network and the screen is locked (sleep), whatsaap doesn't receive any message until I unlock the ...
4
votes
1answer
568 views

Android applications need WiFi but I have only ethernet connection

I have the Imito MX1 device that is working on Android 4.1. I have problem with WiFi quality (speed and reconnecting) so I use the Ethernet on the RJ45 to USB device. Unfortunately some of the ...
3
votes
1answer
88 views

Prevent phone auto-connect to a specific wifi connection, without forgetting that connection

The feature I am looking for exist on MIUI rom and samsung roms: Similar question were asked before: This from 2015 has an answer about Samsung and MIUI roms only. Answers to this and this question ...
3
votes
1answer
52 views

Share known WiFi networks between own devices

It happens every now and then that I connect to a WiFi network for the first time on my phone, but not on my tablet. The second time I visit the place I might not have the WiFi access key at hand. Is ...
3
votes
0answers
57 views

Which process is preventing me using Wifi?

I have a TV box provided by ISP (also TV channels provider), which has Android 4.4.4 Linux kernel 3.10.23. (I have root already) It uses PPPoE to get a network so can receive TV stream, but this ...
3
votes
0answers
217 views

Why is not all traffic captured from my device when routing through Fiddler proxy?

I have followed the guide here: Configure Fiddler for Android / Google Nexus 7 in order to redirect outgoing traffic from my android device to go through Fiddler acting as a proxy on my desktop ...
3
votes
0answers
240 views

Wifi hotspot without internet

With newer versions of Android and for certain manufacturers they always tries to make sure your WiFi has internet. I guess this is an OK feature if multiple known Wifi AP is available. However the ...
3
votes
0answers
345 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 ...
3
votes
0answers
3k views

WiFi works, but frequently disconnects with “authentication problem”

I have a DOOGEE S60 with Android 7.0 Nougat. It can connect to my 2.4GHz WiFi network at home without problems. However, quite frequently, the phone disconnects, showing the message "authentication ...
3
votes
0answers
328 views

Unstable 2.4ghz wifi speeds - LG G6

A few weeks ago I noticed a strange wifi problem with my Lg G6 when connected to a 2.4ghz router at home (wrt 320n). Wifi speed is terribly unstable. Although wifi signal shows up as excellent, ...
3
votes
0answers
1k views

Stop navigating to google.com for wifi sign-in?

My device (unrooted samsung s5, latest google chrome browser version) keeps navigating to https://www.google.com to (eventually) access a public wifi's login page. This is problematic of course as the ...
3
votes
0answers
167 views

How can I make Android M stay connected to a weak wireless network?

I recently switched from an older device running CyanogenMod 11 (Android 4.4 / Kitkat) to a newer device running CyanogenMod 13.1 (Android 6.0 / Marshmallow). Both with this device and with others, ...
3
votes
0answers
728 views

Undoing “Use network as is” for wifi connection on secured network

First of all, I am not a device expert at all! So I'll do my best to describe what's going on but I don't know all the fancy words and labels to these things... Sorry. Recently I was having trouble ...
3
votes
1answer
16k views

How to allow google to save & sync wifi passwords?

My Galaxy S7 is not saving wifi passwords. I think the reason behind this is that I refused google to sync wifi passwords with my account. I searched for a way to enable that feature. I'm supposed to ...
3
votes
0answers
2k views

How can I help my android phone find an mDNS device?

I have a small WiFi gadget (based on an ESP8266), which is programmed to answer mDNS queries on esp.local. It can be discovered without any problems by iOS devices. However, my phone's android (6.0.1)...
3
votes
0answers
365 views

My cellular networks slower than USB tethering, what shoud i do?

In the first glance to my title, it doesn't really make sense because the hotspot itself should equal/faster than the client who borrow/tether the network, but due to unknown reason, it always slower, ...
3
votes
0answers
138 views

Check which app triggers WIFI on

I have a Oneplus One device with Cyanogen OS 12.1. The issue is that my battery history shows that my wifi is always on gets on after sometime and then never closes. I did not turn my wifi on ...
3
votes
1answer
420 views

Android WiFi is being wonky(upload stalls)

I have a Galaxy S5 Verizon. Starting today, my wifi on my device has been acting stupid. Whenever I try to browse the internet, it lags. It isnt an issue with my internet or my router. Because when ...
3
votes
0answers
869 views

Automatic popup for captive portal

I have a working access point on a rspbi, works perfectly with my captive portal on ios and os x based machines. But android does not popup a captive portal, and I can see the requests for clients3....
3
votes
1answer
7k views

Can I use my smartphone as a WiFi network adapter?

I have this PC that doesn't support wiFi and I have to use usb tethering. But I want to see if I can project my phone's WiFi onto the computer, so it can see all the available wireless networks, ...
3
votes
0answers
623 views

Nexus 5 WiFi problems

I believe it's somewhat well-known that the Nexus 5 has had more than a few hiccups with certain wifi networks. However, I'm not sure that the main reasons for wifi connectivity issues is as well ...
3
votes
0answers
1k views

How to Diagnose WiFi Issues?

My Samsung Galaxy S4 (GT-I9515) with Android 5.0.1 does not connect to one particular WiFi any more - the Eduroam network at my workplace. The network is listed in the available networks list, with ...
3
votes
0answers
3k views

How to make Android Lollipop remember wifi password?

I recently upgraded my Motorola Moto G OS to Android Lollipop. It works pretty well. However, one of the features I am missing is my corporate wifi being remembered that I used to enter from the ...
3
votes
0answers
25k views

Moto G Lollipop Update : WiFi Bug

I just updated my Moto G to Android Lollipop via official Motorola update. Now, my Moto G is not connecting to the my cellular Data Plan and not even identifying my home Wi-Fi. (Interestingly, the ...
3
votes
2answers
11k views

Android Wifi : How to change network interface used by android

When I boot up my Android Device and go to Wifi settings,the status of wifi remains "Turning Wi-Fi on" forever.I looked up in logcat logs,below is the error that I see. E/wpa_supplicant( 1713): ...
3
votes
1answer
545 views

New android user; switching between wifi and mobile data

When I leave the office my S4 doesn't seem to want to connect to mobile data. So, I end up with no connection at all. Turning mobile data off and on does nothing at all, I seem unable to establish a ...
3
votes
1answer
818 views

android 4.1.1 network connectivity issues

device: asus memo pad mev172v issue: Apps (facebook, play store, ym, skype, etc) cannot access the wifi network. I can browse using Chrome (except for SSL sites) and can use the Youtube app. tried: ...
3
votes
2answers
858 views

It is possible to forward all audio to the Android smartphone via wi-fi?

Are there apps/methods that allow for the sound to be forwarded to the smartphone? So if I would watch a YouTube video on the PC, I could also hear the sound via the smartphone.