A cellular network or mobile network is a radio network distributed over land areas called cells, each served by at least one fixed-location transceiver, known as a cell site or base station. In a cellular network, each cell uses a different set of frequencies from neighboring cells, to avoid ...

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8 views

How to start manual network selection activity [on hold]

I am trying to load the manual network selection activity through a button click on an app. Intent networkSettings = new Intent(android.provider.Settings.ACTION_NETWORK_OPERATOR_SETTINGS); ...
26
votes
3answers
42k views

How to disable captive portal detection? How to remove exclamation mark on Wi-Fi or signal icon in Lollipop?

When connected to the Internet, the system checks if it's in a walled garden, which is simply trying to connect to Google. If it fails, in Android 5, there'll be an exclamation mark on the WiFi icon ...
0
votes
1answer
86 views

Cannot log in to google account when on data (works on Wifi)

Device: Lenovo A806 with Android 4.4.2 Problem: Cannot log in to google account while on data (works on wifi) Description: Cannot open google play (connection failed, retry) or add a new google ...
0
votes
1answer
4k views

No option for “mobile network” on Dell Venue 8

My friend has bought new "Dell Venue 8 3830" tablet with Android JellyBean 4.3. Now we want to connect a 3g dongle (D-Link) via a micro-usb cable which came with it. When i connect the dongle to the ...
4
votes
1answer
5k views

3g network connection Problem while using data

For last two months or so, the situation in my two years old international HTC One X is that the data is not connecting when it is on 3g network but it is working absolutely fine with 2g network. when ...
0
votes
1answer
23 views

Is there a way to get notify when mobile network is unreacheable?

Sometimes mobile network (cellular network) is unavailable for my phone and I won't be informed about call attempts and SMSes. Is there a way or application that notify me (by notification, vibration, ...
0
votes
1answer
39 views

Suddenly my phone does not detect my SIM while it detects service providers' names

I am using rooted but stock Nexus 5 D820 with service provider Airtel in India. When I occasionally glanced my phone it said that the SIM is not detected. I soon discovered by various means that my ...
3
votes
1answer
4k views

No Service on Galaxy SL GT I9003

I have a Samsung Galaxy SL running Android 2.3.6. I bought a new battery and it was working perfectly until I put on recharge. Immidiately after I put it for recharge, it started showing "No Service"....
0
votes
2answers
10k views

Micromax Unite 2 A106 updated to Lollipop version and no network or sim detected

Using Micromax Unite 2 A106, updated to latest version of lollipop, after finalization and restarting my phone is not able to detect any SIM/network. Also no display of selection of Mobile network is ...
1
vote
1answer
2k views

Lollipop update on MotoG causing no service for sim card

I was using Moto G(1st gen) phone for the past 1 year. I was using 2 sims and I didnt face any problem for 1 year. After getting lollipop update, I frequently get 'no service' for one of my sim. ...
0
votes
2answers
29 views

My network on the android phone isn't working what is the problem now

My phone since was reset because it kept showing unfortunately android has stopped every app I selected it said the app unfortunately has stopped now my issue is ever since then my phone's network ...
1
vote
2answers
14k views

Losing network operator on Samsung Galaxy SIII mini

For some time now (I think it's from the latest Android update) I have this problem, that time to time (on daily basis) people can not reach me, like I would lose connection to the Network. I get an ...
1
vote
2answers
10k views

Signal problem with Samsung Galaxy Y GT-S5630 mobile

I am using Samsung Galaxy Y GT-S5630 phone with IDEA network provider. I am having signal loss problems many times a times. When I try to make a call, it says "Network unavailable". I though this ...
0
votes
0answers
19 views

Data is connected in my Asus Zenfone 2 laser5.5. but not able to use the apps (like whatsapp, net browser etc). what to do?

Data is connected in my Asus Zenfone 2 laser5.5. but not able to use the apps (like whatsapp, net browser etc). I did the upgrade to Marshmallow yesterday. after some time the phone is creating ...
0
votes
0answers
28 views

I need Lenovo a5500 nvram

Last week I flashed my a5500-hv lenovo tablet using so flash tool and suddenly It gave me NVRAM error my simcard doesn't work and my WiFi Mac address change every time I reboot my tablet. *#06# shows ...
1
vote
1answer
8k views

Which modem firmware for Samsung Galaxy S (GT-I9000) works best with the mobile networks in Russia?

Trying to use a Samsung Galaxy S device coming from China or Korea in Russia lead to the observation that the quality of the connection to the mobile network is much worse than on Samsung Galaxy S we ...
0
votes
0answers
10 views

How do I use international roaming

I'm at an international airport and because of that, my phone is giving me no service. I want to use international roaming to make a call but I don't know how(I don't care about the extra costs) my ...
3
votes
4answers
56k views

Can't download apps from Google Play store via mobile network

I have a Sony Xperia sola in Egypt. I bought it with Gingerbread, then I upgraded to ICS 4.0.4. After the upgrade, I became unable to download any apps from Google Play using my mobile network, and ...
4
votes
2answers
4k views

Android lollipop Nexus5 mobile network exclamation mark

I am using nexus5 and I have never had problems using mobile data network. Some days ago I updated to 5.0.1 and problems started occuring, exclamation mark on mobile network icon, internet stopped ...
0
votes
1answer
4k views

metropcs ZTE no network and doesn't connect,

I recently had to factory reset my phone. Now when I put the SIM card in from my Huawei it won't connect to the carrier data network, it only works on WiFi.
0
votes
2answers
204 views

How to Switch from 4G to 3G Galaxy Epic 4G SPH-D710?

I have received Galaxy S2 Epic 4G SPH-D710 unfortunately, 4G connection is not available where I live Just only 3G is available. When I turn on 4G hopefully It maybe switch to 3G automatically I get ...
2
votes
1answer
2k views

Samsung Galaxy Nexus 4.1.2 Unable to connect to mobile network

I recently purchased the handset from the US and currently using it in Vodafone (India) . I upgraded the firmware to 4.1.2 it was working fine and then all of a sudden I am not able to connect to any ...
0
votes
0answers
21 views

My sim doesn't read

After uninstalling the system phone app can't access mobile networks in settings and my phone doesn't read my sim.is there any remedy
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votes
1answer
4k views

network problem after update in lollypop of Micromax unite 2

I updated my unite 2 4gb from service Center in Lollypop. After then its problem create no network some time . Then its fixe when I on flight mode and off it or restarting phone. But after some time ...
0
votes
0answers
25 views

Dropped my Nexus 5, now no mobile network - worth repairing?

Apologies if this is the wrong community to ask in, but it seemed the most relevant. I have a Nexus 5, not exactly sure which model, but about 3 years old, I think. I dropped it a few minutes ago ...
2
votes
2answers
9k views

4G mobile data being used even when mobile data setting is off?

I have a Motorola Moto G, the 4G version, with the original ROM upgraded to the latest version (4.4.4 official from Motorola). The first thing I did when I got it was the same I have done when I got ...
0
votes
2answers
146 views

Does switching my phone from 3G to LTE only matter if I use mobile data?

I have a Xiaomi Redmi Note 3 Pro with Android 5.1.1 and MIUI 7.3.2.0. In my settings I have the option to choose a network type. The options are "2G", "Prefer 3G", and "Prefer LTE". I only use WiFi to ...
-1
votes
1answer
89 views

Auto refreshing the signal

When we go to the area where signal is not reachable, we experience "Emergency calls only" or "No service". But after coming-out from that area we sometime found phone is not receiving signal and ...
0
votes
1answer
27 views

Use mobile internet though connected to WLAN

On an Linux based system I created a WLAN Hotspot. I want to provide a single webpage via a webserver on this system. When I connect my Android devices to it they expect to get internet over this ...
3
votes
2answers
90 views

Missing 2G only on my Galaxy s4 I9505 on lollipop

I have a problem with receiving calls and text messages due to a weak 3G signal, now I want to make my phone and force it to work on the 2G mode only, but since I am on lollipop 5.0.1 I don't have ...
-2
votes
1answer
57 views

Smartphone to smartphone to sim communication

I have purchased a second Android smartphone because the internal memory on my first smartphone was full and I needed to use more space for apps, pictures, and videos. But the second smartphone has no ...
0
votes
1answer
64 views

How to disable only telephone network?

Is it possible to disable only the telephone network and not internet network, so as to use the smartphone as a tablet with a only SIM data? I use Android 6.0 and I have no possibility to use wi-fi, ...
0
votes
0answers
16 views

Information about all operators active in device's location

Is it possible to obtain information about all gsm networks, that are active in the location around device? I need information about the networks of those operators, that are differed from operator of ...
0
votes
0answers
64 views

Mobile Data Problem in Asus ZenFone2

So when i switch on my Mobile or Cellular Data, it switches on,as usual but when i use it, it does not work. I can receive or send any message on WhatsApp but my online games such as Clash of Clans, ...
2
votes
1answer
2k views

How to lock network operator or to never go on roaming, or get out of roaming as soon as possible

I work really close to a country border, and I do NOT want my phone to connect to other operators than mine. Sometimes the operator from my home country will be unavailable for a brief period of ...
1
vote
1answer
757 views

How to block my mobile provider from showing their ads?

Whenever I use apps that have banner ads (I guess that thing is called AdMob?), I get ads from my mobile service provider. This happens only when I connect using the mobile data. I don't have ...
3
votes
0answers
64 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, ...
0
votes
0answers
117 views

LG Leon H320 error “The network is unavailable!”

My LG Leon is running Android 5.0.1 and shows every 30 min to 1 hr the above mentioned error without any particular reason. I'm just browsing the internet or running some app, and then suddenly a pop-...
4
votes
1answer
5k views

Power Efficiency: Network mode 4G LTE vs 3G GSM/WCDMA?

Which network mode is more power efficient: LTE 4G or GSM 3G? I assume using a 4G network uses more power even if you don't use the data connection, as from the little I understand about mobile ...
4
votes
2answers
5k views

How to change “Preferred Network Mode” using adb without reboot?

I'm trying to change my phone's (CM 12, Stock 4.2, both rooted) preferred network mode from "GSM/WCDMA" (0) to "WCDMA only" (2) and vice versa (there can be other modes too), using command-line only. ...
0
votes
0answers
15 views

Tor Bot with Selective Routing

I've installed the TorBot application (mostly for the use of ChatSecure), and I've enabled selective routing for applications I want to use For (Onion routing?), such as Facebook, ChatSecure etc. ...
0
votes
0answers
69 views

Note 5 reading only one SIM card

My Samsung Galaxy Note 5 was working fine until one day when I used a new SIM card for one mobile network instead of the one I lost. That SIM wasn't recognized by the phone and it was showing "...
0
votes
1answer
46 views

Is there a way to determine what mobile network frequency band is in use?

I use a Nexus 5X on T-Mobile's network in the United States. Is there a way to tell what frequency band is in use when using LTE? A Sony Xperia Z3 compact also on T-Mobile is unable to use LTE in many ...
1
vote
3answers
4k views

Is it possible to set DNS for mobile network

I live in Canada and use an unblocking service to access US Netflix content, Pandora and Hulu. I would like to be able to use this service while not on my WiFi is there a way to set the DNS server to ...
2
votes
3answers
40k views

Enable Location Services via Remote Control

I always disable (Google) Location Services on my phone because they are always drain a lot battery (probably because my mobile Internet is very slow). But in case I lose my phone I can't use any ...
1
vote
2answers
2k views

Can Telegram notifications be disabled?

Can you disable Telegram notifications somehow? I am seeing a huge battery consumption since last few weeks and after upgrading to Android 5.0.2. After one day of use battery app is reporting that ...
1
vote
1answer
535 views

How to stop a notification saying “Registering to Network” every few seconds?

On Samsung Galaxy S2 HD LTE SHV-E120K Android v4.1.2 without a SIM I get "Registering to Network" notification repeatedly. How to stop? Thanks.
1
vote
1answer
77 views

Forward tethered device?

Alright, so I have a raspberry pi (192.168.42.53 on rndis0) that is tethered to an android tablet to access the internet. The tablet is connected to my home LAN via WiFi (on wlan0). How do I forward ...
4
votes
0answers
238 views

Aggregating two 4G/3G data links from 2 different sims?

Having two 4G capable sims -from truely two different operators (no virtual carriers at all)- and a Dual Active sim phone (Zenfone 2 Laser), I want to do true load balancing with a 1 sim + 1 sim 4G/3G ...
18
votes
3answers
65k views

What does the “Aggressive Wi-Fi to Cellular handover” option in Developer Settings do?

In Android Lollipop 5.0, I noticed that "Developer Options" features a checkbox for "Aggressive Wi-Fi to Cellular handover" that is unchecked by default. Does anybody know what this setting does and ...