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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21 views

When mobile signal comes back, apps still say that there is no connection until I reboot

I have a Xiaomi Mi9 phone running Android 9. Sometimes, when I move from an area without mobile signal to an area with normal 4G signal, many apps behave as the signal was still absent. The browser ...
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117 views

Unable to install/update apps from Play store on Xiaomi A3 on data plan

I am trying to download update/install apps from the Play store on my MI A3 Jio connection, but it has been unsuccessful. All services like Facebook, Whatsapp, etc are working fine. The apps I am ...
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26 views

debugging problem: phonecall recipients complain about audio quality

problem Increasingly, recipients of my phonecalls complain that audio quality is too poor, mostly (but not entirely) when I'm calling from one location. I'd appreciate assistance identifying and ...
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31 views

Is any way to lock Android KitKat to a certain frequency/band?

Normally we can lock our mobile to either LTE, WCDMA, or GSM thorough Network Mode option from setting. But I would like to lock specifically 900MHz and/or 1800MHz band, which they are included as GSM ...
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38 views

Preferred Network Type Settings

I am on Miui and the default setting for the Preferred Network Type doesn't want to save. I want to change it but when ever I close it it won't save. Anyone knows how to fix it?
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27 views

Monitor Network Availability (for phone calls)

Obviously my network carrier has some problems. Though my mobile phone shows two or three bars out of four for my mobile connection, I don't receive any phone calls (not available). Is there some ...
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25 views

Mobile data offline or timeout whereas hotspot just works

How can I troubleshoot the following situation: during mobile data my phone often is experiencing 100% time outs (ERR_TIMED_OUT) or Chrome states it is offline whereas my connected laptop through ...
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32 views

What are few ways to hack my android (redmi/Oneplus and Galaxy) phones to disrupt connections?

I want to non-intrusively disrupt connections to gaming websites by installing a cron/scheduler script on these devices so it erratically disconnects the connections. I am new to android world and ...
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43 views

Network Mode disappeared

I have an Verizon note 3 from the USA that was unlocked and network mode was set to global, I live in another country with another sim card that only works on global. I accidentally pressed Automatic ...
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1answer
26 views

Pixel 3, can't find eSIM option

According to specs pixel 3 supports eSIM, but under settings > mobile networks there are no relevant options. Is this depending on whether I'm currently in the service area of a mobile network ...
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1answer
46 views

Can someone say how can I get to this network management window in my android device

My device is vivo 1718 android 8.1. I have found this Network Management window when I didn't turn on mobile data access for one app. That app pops up an alert to change the network access and when I ...
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18 views

Unable to set up FTP server on my A50

I just bought a brand new A50. I was able to use FTP apps to transfer files and it was going on good. But later on I messed up with the settings to improve my battery lifetime so FTP apps don't work. ...
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1answer
17 views

Network Locked SIM card on Unlocked Note 9

Have a Note9 on Tesco mobile, they have confirmned it is unlocked. I can use other UK SIM cards in this. Trying my AIS (Thailand) SIM it asks me for a PIN for the Network Unlock? Could this be a ROM ...
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77 views

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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345 views

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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1answer
40 views

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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32 views

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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37 views

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
1k 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
81 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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320 views

Why proxy set on Android 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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79 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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49 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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14 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
73 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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41 views

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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29 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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1k 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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467 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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93 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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414 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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615 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
2k 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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3answers
264 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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45 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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150 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
439 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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64 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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354 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
346 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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89 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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1answer
519 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
84 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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7k 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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7k 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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1k 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)?