If your question is about trouble connecting your device via Wifi, Bluetooth, or USB, or to the mobile network, this is the correct tag.

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48 views

no mobile data connection on Android 4.0

I'm using a Sony Ericssson Xperia Mini pro (MK16i) with stock rom 4.1.0.B.587 (Android 4.0.4 - Kernel 2.6.32.9). The device worked flawless until recently the mobile data connection stopped working. ...
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188 views

USB debugging keeps turning off

I am trying to use ADB commands like I have in the past thousands of times to flash the new updates. But USB debugging immediately disables itself after toggling it on. The really amazing thing is: I ...
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0answers
199 views

“Turning dongle network on failed, please check Connection Parameters” when trying to use Reliance 3 ZTE AC2739 Dongle in tablet Digiflip ET701

I am using a Digiflip ET701 tablet. I am trying to connect my Reliance 3 ZTE AC2739 USB modem. But every time it gives this error: Turning dongle network on failed, please check Connection ...
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0answers
685 views

Can't connect to mobile network on Sony Xperia Z Ultra

Device: Sony Xperia Z Ultra Carrier: The Peoples Operator (Same issue when tested with EE as well) Android Version: 5.0 Lolipop I recently lost the SIM card tray for my device, and Sony sent me out ...
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0answers
80 views

Laptop not getting DHCP while connecting to Android (Cyanogenmod) Wifi Tethering

I have a Cyanogenmod Phone. Until yesterday both of my laptops was getting an IP address when connecting to the WiFi tethering provided by the Cyanogen OS. But not it is not. I do not see any settings ...
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0answers
54 views

Issues when registering to mobile network abroad

I have a Motorola Moto G with Android 5.02, and a subscription for Vodafone and everything is working fine when I'm connecting to the mobile network in my country (Romania), but when I travel abroad I ...
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1answer
436 views

Unable to connect galaxy tab pro SM-T520 to PC with windows 8.1

My new PC having windows 8.1 does not recognize Samsung galaxy tab pro connected via USB cable. What to do? I've tried different cables and different USB ports. It does not appear in Windows device ...
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1answer
198 views

Mobile/wifi network exclamation mark

I have a problem that almost always my mobile network is marked with exclamation mark and I can't connect to Edge/3G, sometimes this happening to WiFi. I have a Nexus 5 and Android 5.1.1. I'm also ...
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0answers
210 views

Weak and unstable service on LG G2

I bought an LG G2 D802 online from China. The IMEI is not blacklisted (checked here), the WiFi and Bluetooth work fine, but I get "no service" for Bell and Wind SIM cards, and very weak and unstable ...
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2answers
2k views

Asus Zenfone 5 stuck at obtaining IP address from office's Wi-Fi, but works well on other Wi-Fi

I have an Asus Zenfone 5 running Android 4.3. Most of the Wi-Fi I try to connect to gets connected to the device, but when I try to connect it to my office's Wi-Fi it get stuck at obtaining IP address....
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0answers
143 views

Unable to connect to Wi-Fi after restoring wpa_supplicant file in Android Jellybean

I have a Konka i127 running android 4.2.2, I recently deleted my wpa_supplicant file, but got it restored. But I still cannot connect to the internet for some reason. Any help on the subject would be ...
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0answers
22 views

My Q88 Android Tablet 4.4 isn't connecting to my keyboard

My Q88 Android Tablet 4.4 isn't connecting to a keyboard I bought. The otg cable looks completely fine and goes in without any problem. But when I connect them with it,it doesn't even light up or ...
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0answers
41 views

Wi-Fi switch is on, yet the tablet tells me to switch it on to find networks. What to do?

This is now the third tablet that's done this. It started off finding networks fine, but now, even with the Wi-Fi switch turned on it's telling me that I need to turn it on to find networks. I have ...
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1answer
220 views

Got connection problems: How to reset wifi stack without factory reset?

I installed CM 5.1.1 and restored a ton of apps with Titanium Backup. Now my Wifi is bugged: When I enter a known Wifi network the phone connects to the wifi but can't make a real connection (has a '!...
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1answer
191 views

Make phone running Android 2.3.3 re-download configuration settings from ISP

When I first inserted my SIM into my phone, it prompted to download configuration settings for things such as Data, MMS etc... It worked fine for about a year but I have started having problems such ...
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1answer
218 views

Internet slow connection after connecting to a custom VPN

I have a custom VPN made at home, and after connecting to it on a computer and access a samba to copy a file, it works and copies the file with ~5MB/s.(WIRED) But when i do the same operation on an ...
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0answers
268 views

Play Store “Connection Timed Out” on Micromax Yureka

I purchased a new Yureka yesterday and have inserted both the SIM cards properly. Today when I switched the mobile data on and wanted to download apps through Google Play, but was unable to do so and ...
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0answers
228 views

Samsung Galaxy Gio isn't being recognized via USB

I've been using Samsung Galaxy Gio for about 3 years, I have no problem in connecting my phone to my old PC. But I've just move to the new laptop, now I can't make my laptop to recognize my device. ...
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0answers
134 views

Samsung Galaxy S3 shows up in Device Manager but not in Explorer

I'm trying to connect my Galaxy S3 to my computer so I could transfer some files, but my computer doesn't seem to be recognizing it. I've already followed instructions found here about putting the ...
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1answer
287 views

All connections dropping down after a while

Lately I started to have this degrading connectivity problem. (one month ago) When connecting my laptop in tethering, through WiFi from the Android hotspot, the internet connection (on the ...
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2answers
3k views

SIM card not detecting and imei null after flashing recovery (intex aqua i5-not i5 HD)

I wanted to flash custom ROM . Before that I flashed a custom recovery img. Then I tried flashing custom ROM zip file using flashify. It said flashing completed and reboot to continue. When ...
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1answer
403 views

Can't connect Samsung Galaxy S3 to my laptop

My phone (Samsung Galaxy S3 running Android 4.3) is charging but, will not connect to my laptop. The data cable I used first charges my phone but I cannot see it on my laptop. It also instantly ...
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0answers
502 views

Smartphone (LG 4X HD) usb connection problem

I have an LG 4X HD that I usually connect to the pc via usb. I have Windows 8.1. Till yesterday, when I connected it via usb, the phone always asked me the type of USB connection (only charges, media ...
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0answers
809 views

WiFi Connected but no internet access. Cyberoam used

I'm using Nexus 7 tab and htc desire mobile. Both the devices are getting connected to the WiFi network in my hostel. However, I'm not getting the login page that will be opening in the browser which ...
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1answer
289 views

How to skip welcome page after factory restore? I don't have access to Google

I'm from China and I can't access google without setting up a vpn/vps. I recently got an update to 5.0.2 for my Nexus 7 2013 (WIFI) tablet. I got stuck at the Welcome page. I think I'm supposed to ...
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0answers
2k views

PC isn't seeing/ connecting to my galaxy s4 (4.4.4) via usb

So i connect my USB to my phone and computer as usual. my phone vibrates and starts charging but my computer doesn't show my device in the my computer section.the USB symbol that appears on the top ...
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2answers
34 views

Problem PC stopped seeing S4

My S4 has suddenly stopped to connect to any computer. I tried with 3 different cables and 2 PC's with win7. I can't see it as a hard-drive. I can't see it in the device manager either (should I)? Any ...
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1answer
174 views

S4 won't see connection to PC at either end

Have a Verizon 4.4.3 Galaxy S4 using the standard cable. When I connect to the PC, the PC doesn't show it in explorer. The phone doesn't bring up the connection notification. I have enabled/disabled ...
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1answer
380 views

How to troubleshoot wifi connection problem?

Like some other people, I am plagued by the issue with gray wifi bars with a tablet running 4.2.2. I tried all recommended solutions: disabling power saving, switching between AES/TKIP on the router, ...
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0answers
139 views

Android can't see usb connection

When I connect my device (Nexus 7 2013) to PC or charger by USB, android can't see this connection. It shows that baterry don't charges, but it charges. When tablet is off and I connect it to charger ...
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0answers
17 views

Nexus 4 not connecting to google server(haven't cleared google service framework) [duplicate]

I am using nexus 4.. In my case it is something different.. I am able to browse through browser and even my gmail app is working fine.. but my wifi icons are orange in color(Kitkat 4.4.4)..needs to be ...
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0answers
1k views

I rooted my phone. None of my apps can access the Internet

I know there were similar threads, but none of them fit my situation. I have had Samsung Galaxy S3 for 2 weeks. After I rooted my phone using Kingo Android Root none of my apps could connect to the ...
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0answers
442 views

Samsung Galaxy Ace Internet Connection Problems

My mother owns a Samsung Galaxy Ace(GT-S5830) mobile phone and we have a wireless modem from Airties with model number Air5343 broadcasting its SSID. The wireless works fine with all devices except ...
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0answers
3k views

How can I reset WiFi without rebooting the phone?

Sometimes WiFi networks are not picked up on my Moto G. Switching WiFi or flight mode on and off does not solve the problem, however a phone reboot does. Does anybody know of a way I can reset the ...
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0answers
37 views

On campus e-resources cannot be accessed via Google Chrome Android

I own a Samsung Galaxy 10.1 tablet(Wi-fi only model) featuring Android 4.1.2. My problem is that I cannot access and use library e-resources on campus although I have my tablets MAC address registered ...
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1answer
153 views

What could be the source of error for this kind of android wireless (wifi) disconnection?

Recently there was wifi connection problem for my LG G2 (Android 4.4.2). It has internet connection and was able to connect to AP but sometimes it faces connection drop, no wifi connected although the ...
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votes
1answer
629 views

How can I make my Galaxy Tab 3 authenticate with my Sky Router?

I have just tried to connect my Samsung Galaxy Tab 3 (8") to a Sky Netgear Router. In the black bar at the top the WiFi icon has a question mark in it. On the Settings page, in Wi-Fi, it alternates ...
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0answers
274 views

USB Debugging Issue: Use 'Dev Tools > Development Settings' Application in Android 2.2.1

I have a smart phone watch that has Android 2.2.1 on it. It doesn't connect to my Mac through its USB port, either on Finder or Eclipse: I did went through the 'Dev Tools > Development Settings' ...
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0answers
514 views

Wi-Fi Connection Problems with Samsung Galaxy Ace

My Samsung Galaxy Ace has problems with its Wi-fi connection. It's very weird because it shows that its connected to a network but i still cannot connect to the internet. Can someone please help me ...
0
votes
1answer
128 views

Connect a 3G Android phone with a WiFi-only tab to see phone call information on the latter

I own a WiFi-only Android tab and an Android phone with 3G. I use the tab regularly at work or while working out on the treadmill, and often I miss a phone call on my Android phone while using the ...
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0answers
648 views

Wifi and data connectivity issue

Updated my Galaxy S3 to Android 4.3 (att) today. Now I can't connect to Wifi, or even find my home network, unless I turn off mobile data. I tried calling att tech support, they suggested factory ...
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votes
1answer
150 views

3G web browsing problems despite full bars

I consistently have problems browsing the web via my 3G connections despite the fact that it shows that I've got a "good" signal. Often I will have the blue bars but they eventually turn grey after ...
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votes
1answer
573 views

No wifi after changing provider / sim card

Last Monday I changed provider and got a new simcard. I can use the phone and send SMS/text messages. Internet didn't work anymore. Wifi didn't work anymore. Both have not worked since. I do see the ...
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0answers
476 views

Computer does not recognise my Samsung Galaxy Y

My computer does not recognize my Samsung Galaxy Y. It always shows error or no device connected. At first it worked fine, but now I am getting this message.
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0answers
214 views

wifi connection

For the past two days I can no longer connect to my home WiFi. It keeps saying "disabled", which also happened at a friend's house who also has Virgin WiFi – but I can connect to BT WiFi at another ...
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1answer
3k views

Samsung Galaxy S2 'Not Registered on Network'

I wonder if anyone can help me please. I have a Samsung Galaxy S2 that I want to sell. I have reset it to factory settings. However, I have a problem. When I bought the phone new, it was on o2. I ...
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0answers
31 views

Connection works just when pc is off

I'm able to connect my android device to my network using wifi. When my pc, connected using cable, is turned on, i can't browse, although i still connected to the network. When i turn off my pc, i'm ...
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0answers
7k views

My internet doesn't work on my phone any more

The internet doesn't work on my phone. It worked with my orange sim card and it previously worked with this sim card, the problem seems to have arisen after my number was ported from the orange sim to ...
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0answers
2k views

Unable to connect to network after factory reset

Today I did a factory reset on my phone (Galaxy y GT-S5360T) to attempt to free up some space (it worked, thankfully) and now I can't seem to connect to any wifi network. I am currently running the ...
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2answers
3k views

Samsung Galaxy Tab 2 drops home wifi connection and and can't reconnect unless the router is turned off and back on.

My girlfriend has had her Tab 2 for ten months and only recently it has this problem. She will be using the tablet on the internet and the connection will suddenly drop. The signal is strong and the ...