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Questions tagged [data-connection]

This tag is meant for issues with the mobile data connection. For other connection issues please use the tag relevant to those, e.g. 'wifi', 'usb' or 'bluetooth'.

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Mobile data is not connected on Android 13

Mobile data is active but cannot be connected. To solve this issue, I checked the log as below. TelephonyNetworkFactory[0] onNeedNetworkFor [NetworkRequest [ REQUEST id=45, [ Capabilities: ...
3 votes
2 answers
7k views

Does Android auto-switch between SIMs for data on dual-SIM phones when one of the SIMs has poor reception?

If you're using the internet on the phone, does Android auto-switch between SIMs on dual-SIM phones when one of the SIMs has poor reception? https://honestmobile.co.uk/ seem to think some phones do ...
1 vote
2 answers
1k views

Hotspot connection lost to PC every few minutes

My only internet connection at present is via a hotspot on Moto G7 (running Android Version 10) connecting via GiffGaff (which runs on the O2 network). I keep the phone data on 3G as 4G seems slower ...
2 votes
0 answers
2k views

Reduce video call quality in messaging apps while using mobile data

I see that most of the messaging apps that support video calls set the video quality automatically. WhatsApp, imo, Skype are the most famous examples. That is bad actually... I have a high-speed data ...
0 votes
1 answer
869 views

Prioritize cellular data over Wi-Fi

Is there a way to set the phone to prefer cellular data over Wi-Fi so that it will use cellular if it's good but Wi-Fi if cellular is not? Similar to the "Switch to mobile data" setting but ...
0 votes
0 answers
24 views

Network question regarding data and wifi

I wanted to ask whether on Android phones it is normal to access another phone who only uses data and no wifi from a phone that only uses wifi and no data, using an app such as WhatsApp to place a ...
0 votes
0 answers
150 views

How to "permanently" turn off networking on an android device?

I'm in the process of creating a "secure device" to store and process sensitive information. Using an Android device was the best course of action for me, since I can make a quick app, plus ...
20 votes
4 answers
10k views

How do I enable Mobile Data only for select apps on a rooted phone?

Unfortunately my carrier charges €0.10 per MB of data -- and I've found out the hard way that Android is a data hog. As a result I keep my mobile data almost exclusively off. Is there a way, perhaps ...
1 vote
1 answer
1k views

"Restrict background data" keeps turning off after a while

I have Android 6.0.1, original Samsung version on my Galaxy S5 Neo. Since I'm not on any mobile data plan and have to pay every MB I use, I'd like to restrict background data - once and forever! ...
3 votes
2 answers
1k views

Samsung Galaxy Ace, data network mode keeps deactivating itself

Every time i turn on my data network it deactivates itself within 5 mins ,any ideas anyone? i have a Samsung Galaxy ace.
1 vote
0 answers
558 views

What is the difference between Nearby sharing and Bluetooth sharing on Android?

Both can be used to share files, so how they are different?
0 votes
1 answer
3k views

Data connection keeps turning on in Alcatel One Touch?

I have an Alcatel One Touch. The data connection is turning on by itself in the past couple of months. I went to see Bell today, and the guy said it could be an app that's turning it on? How do I ...
4 votes
2 answers
2k views

Google+ Background Data Usage

My 1GB data pack (3G) was running out a bit faster than normal, so I started investigating using the Data Usage tool (Android 4.1.2 Nexus S). That's when I found out the Google+ app had used 300 MB in ...
0 votes
1 answer
2k views

Tethering won't work claiming data connection is unavailable

When I try to turn on tethering/mobile hot spot it gives me the system message "Unable to connect, data connection not available." However it worked in the past with this carrier/phone and the ...
0 votes
1 answer
2k views

Apps constantly disconnecting from the internet

I've got a new phone running Android 4.4.2 and whenever I close an app, it disconnects, i.e whenever I close Messenger, it stops being connected to my WiFi so I get no notifications until I open the ...
0 votes
2 answers
1k views

Cannot connect to a data connection on Sprint HTC One M8

Firstly, I am running CyanogenMod 12.1 on my HTC One M8, but this is an issue I also experienced running stock Android (e.g. Lollipop). The issue I am experiencing is that my device appears to be ...
3 votes
1 answer
894 views

Google Photos will not backup

I have a Samsung Galaxy Note 8 running Android 9 and One UI. Google Photos will not back up anything. All I am getting as a Getting ready to back up and 185 items left perpetual spinner at the top of ...
2 votes
1 answer
1k views

Make a phone call in one SIM and simultaneously browse with the other

I have a Samsung Galaxy S10e SM-G970F that I'd like to use for phone calls and simultaneously as an hotspot (WiFi tethering) to browse from my laptop. The phone has 2 sim cards. I'm unable to make a ...
0 votes
0 answers
24 views

Is there a way to get all the internal storage data from my LG W30 which doesnt turn on? [duplicate]

My android phone LG W30 fell pretty bad from a decent height and it doesn't turn on now. No response from any buttons. when connected to power, the indicator LED turns on and nothing else. This is the ...
24 votes
6 answers
67k views

Is it possible to force an app to use cellular data instead of WiFi?

Our local office provides free public WiFi for phones and tablets, but blocks access in ways that means that some applications (like WhatsApp) are unable to connect. Is there any way to configure ...
3 votes
2 answers
10k views

How can I turn off data when my phone's screen is off and only let data come back on once per hour or so to sync apps?

I have been using an app called Doze which turns off data when my phone's screen is off. I'd like to find a way that would turn off data when the screen is off but would turn on data once per hour or ...
3 votes
2 answers
5k views

What DNS servers are used when connected to wireless data?

What DNS servers are used when connected to wireless data (not wifi)? Is there a way within Android KitKat to tell?
0 votes
1 answer
2k views

Can't use mobile data on non-default sim, even if inactive when the second sim is open call

I'm using OnePlus 7T with dual sim. Sim #1 is my default sim, and Sim #2 is a data sim which I'm using only for mobile data. Obviously, I've defined Sim #1 to be the default sim for calls and sms, and ...
1 vote
0 answers
219 views

Limit data rate of specific app (to avoid HD stream, for instance)

My data plan is decent, but not huge (2GB per month). Say that I want to watch a livestream on some app: I have no control over the data rate this app is getting. Since the cellular connection is good,...
2 votes
2 answers
2k views

Is it possible to designate a Wi-FI SSID as metered "mobile network"?

I am wondering if there is a method by which I can designate a WLAN/WiFi connection as "mobile network" based on its SSID for the sake data usage policies by apps or the Android system in general. ...
2 votes
1 answer
443 views

Why do restricted apps still use data?

I am on Android 10 and just ditched netguard firewall to rely on the systems build in restriction options. But despite my below setting e.g. the Amazon app is still obviously online. screenshot of ...
0 votes
0 answers
173 views

Data connection is disconnected while talking with phone

I see that my Samsung A5 running Android 8 drops data connection when I am talking with the phone app. I mean, while data connection is ON and I see 4G icon, by placing a call or answering a phone ...
1 vote
0 answers
75 views

Chrome on Android has just eaten all my data plan

I am using Chrome on Nexus 5X. Nothing like this ever happened until the last 2 days - my data plan was depleted suddenly, the carrier's app claimed that I have no more data, and when I checked my ...
11 votes
2 answers
47k 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 ...
1 vote
1 answer
741 views

Neo V with 4.0 ICS update -- battery problem

My Sony Xperia Neo V battery performance has gone down very badly after upgrading to ICS. It mainly happens when I have my mobile data/internet turned on. How can I improve the battery performance?
-1 votes
1 answer
60 views

Hosts doesn't work

So i play a game that uses a server to detect emulator users. Is there anyway to prevent other emulator users from being in my online game ? The problem is that other emulator users usually use ...
0 votes
1 answer
1k views

If Wi-Fi connection drops internet, can device failover to network connection?

Once in awhile the internet will drop on the network that my phone is connected to via Wi-Fi. It's pretty rare, but in instances when it happens, my phone remains connected to the network but won't ...
0 votes
0 answers
57 views

Can I use DNS-over-TLS below Android Pie?

Unfortunately DoT isn't part of Android below version 9. Is there a workaround app or should I better install LineageOS 16 on my old smartphone device?
0 votes
2 answers
84 views

How to access andriod to my pcs hardrive using wifi

I would like to connect my samsung galaxy s4 over wifi with my pcs harddrive. It should be the same way as by the remote desktop apps but indstead of them only to use the pc hardrive. I want to get ...
5 votes
3 answers
54k views

How can I force version 5.0.1 on Note 4 to only connect to 4G LTE when available?

My Note 4 running 5.0.1 will often connect to 4G rather than 4G LTE when both are available. When this happens I can turn airplane mode on and off it will then reconnect to 4G LTE, sometimes with 5 ...
7 votes
4 answers
46k views

Simple way to toggle between 2G and 3G connection

TL;DR Usually, I have my device locked to "2G only" for multiple reasons: saving battery-life no need for "high-speed" to simply be informed about new mail or doing the little ...
8 votes
3 answers
10k views

How can I disable cellular data on an Android device?

Can I easily disable cellular data on an Android device and just use Wi-Fi? Does this change based on whether or not I have root on the device?
11 votes
7 answers
27k views

Can I send / retrieve MMS messages via WiFi?

Is it possible to send / retrieve MMS messages via WiFi or is it mandatory to be connected to my provider via the mobile data connection? If a user has an active WiFi connection, what happens when ...
13 votes
4 answers
18k views

How can I prevent my phone from using any kind of internet?

I have a weird plan and my phone went over its bandwidth usage this month... mostly just syncing up with Gmail, Twitter etc. So right now, every 5 minutes or so, my phone is telling me that it has ...
0 votes
2 answers
182 views

AdBlock on Android causes many timeouts and connection problems

When I use the Android version of Adblock Plus 1.3 without root, everything seems to work fine. But now, I have a new phone that I'm not willing to root, and I like the idea of having AdBlock as a ...
4 votes
1 answer
6k views

Should I disable mobile data while I'm connected to WiFi?

If WiFi is activated, the phone expends energy trying to find WiFi connections, even if I'm not using the internet. Is the same true for mobile data? Does the phone expend any energy trying to keep a ...
1 vote
0 answers
96 views

What are the exact files in /system folder used to start internet connection on Android Lollipop?

I need this info to fix internet in a ROM by me. I can turn on data but the speed meter always shown 0.10-0.50 kbps, Nothing works. I thought it's a DNS problem & did a ping to google's ip address ...
7 votes
1 answer
251 views

How can I diagnose what is using my 3g connection in small packets

My GSM carrier rounds all used data up to 100KB. Which means that if some app is sending/receiving 500 bytes, I get charged for 100KB. Lately I observed that I go through several hundred megabytes ...
0 votes
2 answers
561 views

How can I limit data usage depending on whether the screen is on, or off/locked?

How can I limit data usage depending on whether the screen is on, or off/locked? For example, when the screen is off, data can only be sent and received at a reduced rate. Or, when the screen is off, ...
1 vote
0 answers
47 views

Is there a way to list all 4G networks within range?

Does anyone know of a method to obtain a list of all 4G networks within range at the current location? Currently running Android 7.1 on an HTC U11 if relevant.
62 votes
8 answers
102k views

Can I use 2 android phones as walkie talkie? (without internet!)

I want to use 2 (or more) android phones as walkie-talkie (i.e. they talk each other without needing internet/voice call). Of course this should work with WiFi, because it doesn't make much sense a ...
3 votes
5 answers
8k views

How to force the mobile data (3G/4G) connection on a single app like Google voice recognition?

When an android phone is connected by both wifi and mobile data (3G/4G), it will preferentially use wifi since this saves battery and mobile data bandwidth. However, my mobile connection is more ...
0 votes
1 answer
721 views

Mobile data not working

I have a Samsung Galaxy J510-MN (Latin American version) which I have bought from Mexico (Android 6.0.1). Now, I returned to Germany and put a German SIM Card (Fonic/o2). I get network connection, ...
1 vote
0 answers
24 views

Printing from phone [duplicate]

I do not have a computer, just a printer. I have a .docx file saved on my Samasung Galaxy Tab 2, and need to print it ASAP. How do I do it?
0 votes
2 answers
137 views

Is it possible for any app to connect to Internet over cellular when the data connection button is off?

I have the following situation on an Android 5.1 phone. (I don't think this may be a duplicate as the other similar questions I saw were about intentionally allowing or blocking apps from Cellular ...