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Questions tagged [mobile-network]

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 interference and provide guaranteed bandwidth within each cell.

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disconnect VPN when I open game

my question about VPN settings, when I open a game as pubg my VPN automatic turnoff, how fix this problem?
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Network mode switch quick settings tile

I have a bootleggers ROM (Android 9 pie) installed on a Motorola Moto E 2015 phone. Can I add a quick settings tile that would switch between 2G only and 2G/3G/4G network modes? In Lineage and ...
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app or widget or other solution for turning just cellular radio off/on

I recently acquired an umidigi one with android 8.1 oreo naked/stock image in place and voice over wifi as well as voice over lte support. When device is in location with wifi connection, which is ...
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LG K10 2017 does not seem to allow me to connect to mobile networks at all

Like in the topic, I can not connect to any mobile network. Factory reset did not help, turning off the phone for half an hour does not help like it was advised in numerous topics. The things I have ...
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How can I remove the extra network type icon from the status bar?

In Android 8 and earlier there were small network type indicators above the signal bars, G, E, H, H+, LTE, LTE+, I think. Now in Android 9 there is a separate icon for this, with full size letters. ...
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Can I secure my android phone from being hacked while hosting a website?

I have been able to host a website of my own using "apache http server" app from my android adjoining with "termux" app using serveo as ssh tunneling. Can I make my phone more secure, so that it can ...
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1answer
77 views

How can I view Wi-Fi connection history?

I want to view wi-fi connection history on my Android phone. Specifically, I want to know which networks the phones was connected to & disconnected from & when. Edit: My phone is a Nexus 5x (...
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1answer
58 views

Why is there “/proc/net/snmp” file on my device? Could it be due to a malware?

After reading this paper I observed a little and I realized that an SNMP socket (exactly two: v4 and v6) exists when I use ls /proc/1/net. I see them clearly. My question is simple, do the bootkits ...
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54 views

Proxy set in mobile network APN does not work when used as hotspot

I am setting the proxy in APN settings of my mobile network in below shown screenshot It works well. I verified via whatismyip. However, when I enable the hotspot on the device and use this hotspot ...
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26 views

can't remove roaming letter above signal bars

I've researched a lot and I can't find any solutions to this problem. A couple of months ago I traveled by plane, and when I arrived and turned off airplane mode (I have it always turned on) I had ...
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44 views

Can Google see what you're doing on a different device if you're using an Android phone's hotspot to connect a different device to the internet?

I know that Verizon or ATT or whatever data service you're using can see your browsing history since they're providing the service, but would Google be able to see it too since it's the software the ...
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13 views

“Block” sign instead of Cellular bars whenever the phone is restarted [duplicate]

I've been having this problem since December, and I really need my data for career purposes. How to fix this?
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2answers
68 views

How to check what is wrong with my mobile connection?

I have a Samsung J3 and recently I notice some irregular 'blackouts' in the mobile connection. Suddenly, the connection is completely interrupted, then the connection is really slow (like 1.9 Mbps in ...
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Adblock Plus on Android - mobile internet proxy?

I have installed AdBlock Plus for Android on my not-rooted phone. On play.google.com, there are only castrated browser-addons, so I've been installing it from apkhere. I've changed the network ...
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23 views

My Galaxy S4: 3G is not working

This phone's main IC has been changed once by authorised samsung service center. But after that the 3G is not working. I have checked all the possible settings issues. And googled a lot. But none of ...
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1k views

xiaomi mi a2 lite android 9.0-pie sim 2 network connectivity settings

so recently I got a bill from my sim 2 card provider which I didn't use it a lot, it said that the charge fee comes from the LTE services. so is there any ways to change my sim 2 card network ...
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720 views

International roaming, forbidden networks, hidden sim toolkit on one plus 5T

I have used international roaming many times before with my one plus 5T and my native Vodafone India providers roaming plan. But this time I landed in Germany and it did not work. I've been trying ...
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292 views

Can changing APN settings in Android improve internet speed?

I wonder while reading some of blogs and even people around me suggests some changes in APN settings(that includes APN Name, MCC, MNC, APN Protocol and Bearer), claiming that will increase my internet ...
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82 views

Connected to Turbo VPN - 10.13.0.42/30. Tap to manage the network

When I use a VPN app on my smartphone, the following notification message is shown Connected to Turbo VPN - 10.13.0.42/30. Tap to manage the network Why is it connected to 10.*.*.*? Isn't it a ...
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306 views

Why using ADB command 'settings put global preferred_network_mode' doesn't reflect the changes in Test Settings?

I've been trying to search about changing network mode programmatically which was already answered, but I noticed that when using: settings put global preferred_network_mode x settings put global ...
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518 views

mac address randomization on NON-rooted Android 8.1 phone for both wifi and mobile data

I am trying to force my box to (up to date as of posting, NOT rooted Xiomi Redmi Note 5 with Android 8.1.0 OPM1.17 with security patch 2018-09-01., kernel 4.4.78perf+, gui is MIUI v10.0.2.) ...
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1answer
1k views

How to define a preferred Mobile Network?

Here is the situation: I live close to a border between to countries, one being under EU laws, the other being neutral, except when it comes to economical wars. I have a phone contract in the EU, ...
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Android phone as IP camera, connect to it from mobile network

I have Samsung galaxy A8 (2018) with Android 8. I installed app IP Webcam. And my android phone now works as IP camera on WIFI I can stream video to my Dahua nvr. My sim card with specific APN have ...
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51 views

Cannot connect to mobile data

So i have a mate7 (mt7-l09) and I can't connect to mobile data. I turn on the mobile data but the send and receive icon never shows up. I have already tried changing APN and switch Carrier BTS. Its ...
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138 views

is it possible to get location via a cellular network if the device doesnt have a data plan?

is it possible to get location via a cellular network if the device doesnt have a data plan? or does it need a data plan to be able to get location via a cellular network? is a data plan needed to ...
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40 views

Trigger network search/change without airplane mode?

Is it possible to trigger the phone to search for network, i.e find the best/closest tower again? I don't want it to be with airplane mode, since I'm usually using the WiFi at the moment I need it. ...
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43 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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93 views

App to block or limit my network operator?

I'm having some trouble with my network operator. They have recently changed the underlying network they used by default to a different one and the service is very poor now. I have come to realize ...
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1answer
339 views

Completely disabling cellular data and limiting apps only to WiFi when available

I've recently (2 months ago) purchased my first smartphone. I'm on a sort of prepaid contract (I pay what I use in terms of calls and SMS and it's automatically withdrawn from my bank account). For ...
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58 views

Cannot change mobile network Sony Xperia V

I have a Xperia V device which worked fine until few days ago. I still use 3G SIM, and I've enabled WCDMA(preffered)/GSM from settings menu (Settings->More>Mobile Networks->Network Mode). This works ...
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19 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, ...
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249 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. ...
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1answer
248 views

Internet fast when sharing via hotspot or tethering but slow on the device itself

Yes, I didn't get that backwards. And all I found is "slow tethering", even here this was never asked before. So, here I am! Internet is slow on the device, but fast for other devices connected to it....
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76 views

Data Warning Slider Missing

I used to have 2 sliders, a warning slider & a limit slider, now just a limit slider is present.
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463 views

Force android 7.0 into roaming for better connection

I do a daily commute to work from country A to B. My mobile is from a phone company in country B, and travelling into B, the switch between country providers is handled rather gracefully. The problem ...
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1answer
61 views

Some Apps not woking in cellular Data

I have an Blackview BV 8000. Some Apps like Chrome, Stack exchange, Facebook, WhatsApp... Work without a problem. However apps like Gmail, YouTube and Google play store don't work on cellular data. ...
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1answer
82 views

Network Support Explained

Is a phone that supports the most network bands ideal if you are trying to get the best cellphone service? I have noticed that for example the iPhone supports dozens of bands https://www.apple.com/...
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2answers
5k views

Stop auto-selecting cellular network

I'm roaming in Mexico with an international plan via a US-based GSM carrier. This gets me 4G on TelCel in Mexico, and it works great. However, occasionally, for reasons unknown to me, sometimes my ...
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6k views

Restrict app network access on Android Oreo

Two days ago, I got android oreo 8.0 update for my xiaomi mi A1 phone which is a device based on Android One. But one of the features which I loved the most before Oreo was complete control of network ...
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2answers
969 views

Can airplane mode turn itself off automatically

If I have a phone with airplane mode turned on, can it turn itself off automatically (without user interaction)?
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1answer
548 views

Not receiving SMS messages

I recently switched phone provider, and since then many of the messages sent to me never show up, as if it was never sent. But the sender shows it as sent (though I think it can't know it's been ...
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3answers
6k views

No Mobile Network In Samsung Grand Prime

Samsung Grand Prime Phone. There is no Mobile Network. I tried *#*#4636#*#* but it didn't bring up the Testing Menu. I am not able to search operator or change the network mode. The IMEI in *#06# and ...
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1answer
362 views

Can Truecaller Android get Caller ID on 2G connection?

Just curious. Truecaller emphasizes that it requires 3G/Wifi connection in order to tell caller ID? Does this mean that if I'm in area where only 2G is available and no Wifi is available Truecaller ...
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226 views

Problem “Not registered on network”

I have an old Samsung Galaxy Note II. Rooted. One day it went off. When I restarted it, it went to a somehow hybrid state between factory and the status it had before crashing, i.e. I had to ...
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1answer
822 views

Translation of RIL_PreferredNetworkType terminology to human speak?

In Android's source code, I see typedef enum { PREF_NET_TYPE_GSM_WCDMA = 0, /* GSM/WCDMA (WCDMA preferred) */ PREF_NET_TYPE_GSM_ONLY = 1, /* GSM only */ ...
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0answers
571 views

Provide APN settings from outside without Internet (i.e. SMS, QR Code)

I'm looking for a way to provide APN settings to a device that doesn't have an internet connection yet. It is intended to set up hundreds of devices more quickly by a variety of users across the ...
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1answer
37 views

4G network compatibility in France

I read somewhere (here) that in France, in order for the 4G to work ideally with all carriers, one should have a smartphone with the 4G network spec: "FDD-LTE : Bands : 1/3/7/20/28". I am considering ...
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95 views

4G signal with mobile turned off

Recently I have noticed that my cellular company (TIM, I'm in Brazil) has been charging me for network connections daily. I rarely use cellular network since at home and in my job has wifi and I don't ...
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1answer
106 views

Mobile Network Problem [closed]

I am facing mobile network issue in my office only. When I enter in my office my mobile signal problem arises, Is it due to the router or some other electronic devices? And when I go out from my ...
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1answer
77 views

How do I tell whether my phone is roaming?

How do I tell whether my phone is roaming, preferably on the lock screen?