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.).

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4
votes
3answers
8k views

MAC address keeps changing

My MAC address keeps changing when ever I turn off the phone or turn on/off the wifi card. It's a big deal because I have to register my device on my network at school, and if it keeps changing it ...
3
votes
1answer
1k views

Shark for Root not working

I am pretty much new to the packet sniffing. I found some application for the same Shark for root. I have rooted my phone for the application and I tried logging the packets being transferred from my ...
1
vote
2answers
1k views

How can I determine what is transmitting data?

Recently I noticed that even while no applications are actively running (at home screen), the up and down arrows under the WiFi status bar item are turning on/off. This is a recent change, and seems ...
0
votes
1answer
1k views

Alcatel Onetouch Idol 3 won't work with bluetooth

I have an Alcatel Onetouch Idol 3 that I purchased in January. It has static, breaks up and sounds muffled when I have my bluetooth on and wifi is on. If I turn my wifi off it works ok. I have tried ...
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 ...
0
votes
1answer
65 views

How to automatically lock the screen or something when the Wi-fi disconnects?

I think this would be useful if you're entering data into a form, but you don't want to accidentally press "submit" when there's no Internet, causing you to have to re-enter everything. Also, it ...
0
votes
1answer
1k views

How can I unlock my s6 Edge Lock Screen w/o having to factory reset it?

Given how sensitive the fingerprint sensor on this phone, the 5 tries were used and the phone was asking for the backup password after. The problem is that i cant even remember the PW. I can unlock it ...
1
vote
1answer
1k views

Connecting through authenticated proxy

I have an Unrooted Sony Xperia tipo running 4.0.4. I have a Wi-Fi at home which uses an authenticated proxy. I have managed to apply the proxy and also have managed to use authentication. The trouble. ...
0
votes
0answers
27 views

Samsung S7 & S7 Edge devices Wi-Fi keeps disconnecting

I have used Samsung S7 Edge in the year 2016 & 2017 two years. Experienced no issues at all, later switched to apple for a year then came back to Android with same Samsung S7 edge device, after ...
3
votes
2answers
4k views

Samsung S7, Wifi keeps disconnecting

I've searched around, and so I can ensure that this is not a duplicate. Smart Network Switch is off Keep Wifi on during sleep Wifi works excellent for other devices Wifi disconnects randomly even ...
0
votes
0answers
39 views

How to connect simultaneously to WIFI router without internet and to cellular 3g/4g with internet

i want to connect my pboth to a WIFI router without internet, but at the same time keep internet connectivity from cellular 3g/4g network
1
vote
1answer
1k views

GPS only works with WiFi

On my Blackview Crown with Android 4.4.2 my position is only ever available when I am logged in to a WiFi network. Using google maps outside works in general, but unless there is a working WiFi ...
3
votes
1answer
93 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 ...
0
votes
3answers
2k views

How can I select a router that I want to connect on Android?

In my residence, there's a network which have many different routers to provide Wi-Fi signal. One of these router doesn't work properly. I can connect to this router, but it can't connect to the ...
3
votes
2answers
1k views

Why Advent Vega keeps losing Wi-Fi?

I recently bought a Advent Vega Android tablet and everything is working completely fine, however there is one slight problem with Wi-Fi. Even though I have full Wi-Fi signal (it is as high as it can ...
0
votes
0answers
359 views

How to do port forwarding over Android USB tethering?

So, for the time being I'm stuck plugging my phone into my PC and using USB tethering to connect to Wi-Fi. One of my games requires port forwarding for online play, and I'm having trouble getting it ...
1
vote
1answer
1k views

Connecting android phone to a local web server

Scenario. We have a product controlling some sort of household thing. Since its 2015, it also runs a small webserver so that people in the house can control the product using their phones. Everything ...
0
votes
1answer
1k views

Cannot turn on wifi on Galaxy SIII

For the last month, I am unable to turn on my WiFi. It gets stuck on the message "turning on..." . I did a factory reset but it didn't help. I have tried to reboot a number of times and also I have ...
0
votes
1answer
2k views

Android 5.0.2 x86, not working with wifi

I am trying to install the PC version of Android. I've found many links, but none of these versions work with my wifi. My wifi card is a Qualcomm Atheros AR9485WB-EG (I have an Asus PC). How do I get ...
1
vote
0answers
157 views

How to make MIUI 10 Android 8 to auto-connect to a filtered WiFi AP?

I have a well working WiFi AP - actually a number of them. They are just fine themselves. Other iOS, Mac, Windows etc devices auto-connect just fine to it. I also have Xiaomi mi5 with MIUI 10 Android ...
3
votes
1answer
1k views

WiFi stopped working (dhcpd times out) after enabling device encryption

WiFi has worked without issue before on this exact same hotspot, and it is currently working for other devices so I'm assuming the error is in the phone (edit: also tried another hotspot, wifi is ...
1
vote
2answers
2k views

Why can't Wi-Fi be enabled in Android-x86 inside VirtualBox?

If I enter the Wi-Fi settings of Android-x86 (currently v8.1-r1) inside VirtualBox (currently v6.0.4) and turn it on, why does it just immediately get turned off? Some Android apps try to find ...
2
votes
2answers
2k views

Metered wi-fi connection on Android tablet?

I have a non-rooted Nexus 7 (2013), and connect to the internet via a Mi-Fi hotspot. I have a low data cap, so I need to track usage closely. I'd like to be able to mark my connection as metered, but ...
0
votes
1answer
1k views

WiFi doesn't work when SuperSU 2.72 binaries are installed on Android 7

Since a few days I have Cyanogenmod 14 for my Samsung SM-G900f. I want to use some apps by Chainfire but they all require his su binaries so I tried to install it via the SuperSU app, which always ...
9
votes
3answers
53k views

Can I manually download my wifi settings to my Android device from my Google account?

I just purchased my fourth ever Android device - An HSPA+ Samsung Galaxy Nexus phone. When I purchased my second and third devices (Samsung Galaxy Tab 10.1 and an Asus Transformer Pad TF300T), I ...
0
votes
2answers
4k views

What can be the reason for “internet may not be available” though the IP address was got

Only one device with Android (SM-G390F, Android 7.0, G390FXXU2ARA1, 3.18.14-12962328) at my home stopped connecting to Internet through my WiFi router with the message "internet may not be available" ...
0
votes
1answer
2k views

LG Stylo 3 Wi-Fi problems

I got an LG Stylo 3 on Cricket last month, and already I seem to have a problem. Randomly, it will disconnect from Wi-Fi. When I go into the settings, it'll say that the network is disabled. Any idea ...
0
votes
0answers
63 views

Wi-Fi “bootlooped” on Android

The Wi-Fi on my Android phone is "bootlooped". That means, that it permanently tries to start but never completes to do so. This is also visible in the Wi-Fi menu, where it says "Turning Wi-Fi on...". ...
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 ...
2
votes
2answers
3k views

Is there any way to sync wifi between devices?

Are there any apps or methods to sync saved wifi between Android devices? Basically it would remember the wifi name and password if you logged into it once from one device on all devices synced.
0
votes
0answers
68 views

Samsung Android Source Code? - Captive Portal Handling

I've written an open source Captive Portal library for IoT devices, but am having issues only with Samsung's version of Android: https://github.com/tripflex/captive-portal Does anybody know where I ...
2
votes
2answers
2k views

Stay connected to WiFi that requires sign-in

I recently upgraded my Samsung Galaxy S4 Mini to Kitkat (4.4.2), and I noticed a new behaviour that I'd like to disable: when I'm connected to a wifi network with a captive portal that requires sign-...
1
vote
1answer
2k views

sharing lan connection to android

I have a big problem. In the hostel in which i live has lan facility but theres no wifi in our hostel so i want to share internet through lan connection via wifi hotspot but the problem is this " lan ...
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 ...
0
votes
1answer
2k views

Wifi connection with username and password

My phone is HTC desire 826, I'm living in a flat, with my friends. We have a WiFi connection. When we establish connection, one of us should sign in with a given username and password, in a pop-up ...
2
votes
1answer
2k views

Cannot ping Android devices on same wifi network

I have a Nexus 7 running CyanogenMod 10.1. For some reason I cannot reach it from my laptop on the same wifi network. I cannot ping in either direction. In the past i have been only able to ping one ...
0
votes
0answers
49 views

Wi-Fi does not work after Android Pie update

I just recently upgraded my OnePlus 3 to the Android Pie version which has been release for this version of the phone. But now I encountered an issue. Every time I try enabling Wi-Fi, it loads a ...
1
vote
1answer
3k views

I can just access Google and YouTube via a Wi-Fi hotspot created by my Windows 7 laptop. What’s wrong?

I have followed every step of this instruction, but my Android phone can only access Google and YouTube – and no other websites. What is wrong? It may be due to a DNS-server problem, but I cannot ...
0
votes
0answers
326 views

OTG Android Wifi dongle

I need your advice. I have a Nexus 5x. I'd like to connect Wifi dongle with Nexus 5x to use larger antenna for wifi. Example product [Nexus 5x]--[Otg cable]--[USB wifi product] I tested with a usb-...
0
votes
1answer
2k views

Can't set static IP for WiFi correctly in Android device

I'm using static IP configuration for accessing college WiFi in my window laptop. For that I'm using following batch file (.bat) to configure settings by one click. The file contains following ...
0
votes
1answer
3k views

Galaxy Tab Pro SM-T520 does no longer see wifi networks

I had a very weird problem with my Galaxy Tab Pro SM-T520. After working fine for a while the tab suddenly was not able to see any wifi network. None of them. Not mine, not from my neighbors, just the ...
0
votes
0answers
99 views

Stop Android from automatically switching between WiFi networks

I am using the gopro app on my Xiaomi Mi Max 3 (MIUI 10.3) android device, and whenever I connect the camera to the phone, the later automatically switches back to the 'Home' wifi. The only ...
2
votes
1answer
2k views

How to diagnose malfunctioning wifi?

Nexus One, cleared internal user storage to near-factory settings using the boot menu. My computer is connected to wifi, and I have a USB tether to my phone. But when I click on "Connect to wifi" -- ...
3
votes
1answer
56 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 ...
0
votes
0answers
109 views

Download seems to stop when screen is locked in Xiaomi device

I have a Xiaomi Redmi note 7 device global version which features MIUI 10.2.1.0 . Now I see the MIUI 10.3.5.0 update, I press the download button and it starts downloading, I then leave it to ...
6
votes
3answers
9k views

How to use adb over Mobile AP (Portable wifi hotspot)

First : I know about abdWireless app. But my problem is different. I am using my Android mobile as Mobile AP (Portable WiFi hotspot) for using internet on my computer. I want to use adb in wireless ...
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 ...
1
vote
0answers
199 views

OEM Unlocking Greyed out after Android 8.1 Update. (Lenovo Tab4 10)

I purchased a Lenovo Tab 4 10, I enabled OEM Unlocking, Unlocked the Bootloader to root my tablet, and when I booted back into the Android OS it had an update, so I updated it, rebooted, re-enabled ...
9
votes
2answers
5k views

Do Android devices make active or passive scan when looking for WiFi AP

I would like to know if Android devices make active or passive scan when looking for the AP to connect. I've already made a test using Wireshark and wifi sniffer and it seems that while an iPhone ...
0
votes
1answer
107 views

Particular WiFi does not connect after trying to root Samsung Galaxy S10e with Magisk

I followed this tutorial: https://topjohnwu.github.io/Magisk/samsung All went well until step 14 (so, right after flashing the ROM and rebooting). At step 14, Magisk tried updating, but could not. I ...