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

Both can be used to share files, so how they are different?
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16 views

Data randomly stops working until turned off and on again

I have been having an issue with my Pixel 4a for a few months that has me stumped. I experienced this on stock Android 11 and also since I just upgraded to Android 12. Intermittently and periodically, ...
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1 answer
50 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 ...
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1 vote
1 answer
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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 ...
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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 ...
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1 answer
378 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 ...
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1 vote
0 answers
101 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,...
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3 votes
1 answer
5k 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 ...
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2 votes
1 answer
151 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 ...
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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 ...
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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 ...
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2 votes
2 answers
1k 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. ...
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-1 votes
1 answer
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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 ...
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3 votes
1 answer
877 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 ...
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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?
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1 answer
1k 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 ...
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2 answers
153 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 ...
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2 votes
0 answers
2k views

Reduce video call quality in messaging apps while using Data Connection

I see that most of the messaging apps that support video call, set the video quality automatically. Whatsapp, imo, skype are the most famous examples. That is bad actually... I have high speed data ...
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1 vote
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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 ...
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0 votes
2 answers
374 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, ...
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1 vote
0 answers
44 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.
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1 answer
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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, ...
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1 vote
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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?
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0 votes
2 answers
101 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 ...
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1 answer
487 views

Can only connect 'halfway' over mobile hotspot

On my Android phone, I can connect to websites and browse them fine. Also, if I turn my mobile Hotspot on, I can connect a desktop/laptop to it, FTP into the phone itself etc. However, if I try ...
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Warn or Block Internet Access When No VPN? [duplicate]

I use a paid VPN service (TorGuard) and when I run it on my computer, I am able to configure the client to completely block Internet access if the VPN is disconnected... The Android version of my VPN ...
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0 votes
2 answers
123 views

In Google Voice, do all SMS messages have to be transmitted via a data connection?

If someone is using Google Voice, do they need a data connection (cellular or WiFi) to be on in order to send/receive any SMS messages? This seems to be a big limitation, as keeping data on all the ...
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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! ...
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0 votes
1 answer
357 views

Partial internet connectivity on Android device but device connected through hotspot has internet

I have a xiamoi mi5 which is hosting a mobile hotspot, and a laptop which is connected to this hotspot. On the android device, I cannot connect to the internet. Most Apps see that I am offline. ...
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1 vote
1 answer
2k views

Enable VPN on airplane mode, before connecting

I want to set the VPN (in my case vpnunlimitedapp) so it connects through the VPN the second I enable WIFI or 4G. Currently, I have to go online for a moment and then I'm allowed to enable the VPN. ...
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0 votes
3 answers
19k views

Internet always on when VoLTE enabled in Redmi 3s Prime

I m using Redmi 3s prime with jio 4G. Whenever VoLTE is enabled, my device internet is always active, regardless of whether mobile data is on or off. I can browse the Internet and watch online video ...
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0 answers
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Very weird issues with android

So I have an interesting case with android... Before I start, yes I have done factory resets, I have even tried installing a new ROM. I have replaced hardware. I have replaced the SIM card. But I ...
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1 vote
0 answers
272 views

Nexus 4 drops connection to sim card when battery is low(ish)

For a few weeks now, my Nexus 4 (Android 5.1.1, stock rom) has occasionally lost the connection to the sim card. It won't have any connection to a network (indicator in the status bar is an empty ...
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1 vote
1 answer
311 views

Why can't my phone connect to cell network data?

I have a Nexus 6P running CyanogenMod 13.0-20160819-SNAPSHOT-ZNH5YAO0IN-angler based on Android 6.0.1. I used to be running a CM nightly build and my cell carrier is Ting. Here's what happened: I was ...
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0 votes
1 answer
113 views

Mobile data is turn on itself

I am using android, it started a week ago. It automatically turns on mobile data. I switched it off but after a couple of minutes it again gets switched on. Please suggest me to solve this problem. ...
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0 votes
1 answer
48 views

After dead-zones carrier is dropped until restart

So I'm assuming this has to be a property that can be changed through buildprop, but I thought I'd consult you guys first. Phone: Unlocked Galaxy S7 (Sprint), Android 6.0.1 Network: T-Mobile Issue: ...
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3 votes
2 answers
9k 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 ...
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19 votes
3 answers
17k views

Any security difference between root based firewall (AFWall+) and non-root based ones (NetGuard)?

What are the technical differences between root based firewalls (like AFWall+) and non-root based firewalls (like NetGuard)? Is there any impact on the security effectively provided by such software? ...
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1 vote
0 answers
709 views

On android 6.0.1 there's no more DAILY data usage limit setting

I've got a daily plan. 1GB each day. I wanted to set daily data usage for my phone and i remember there was a daily option on android 4 but now there's no option to change.. only monthly. This is so ...
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0 votes
1 answer
358 views

Can't connect to mobile internet with CyanogenOS 13

On Google, I found a similar problem on Reddit, which describes exactly what I've got right now: https://www.reddit.com/r/cyanogenmod/comments/3xm0mo/mobile_data_not_working_cm13/ The problem is that,...
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118 views

Disallow & prevent ALL data access (2G 3G ) for user (maybe even WiFi) directly or via MDM?

I saw this similar question but it does not ask or answer what I am asking. How to totally block internet access (data) on an Android? Completely block disable "data" period so that user cannot enable ...
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1 vote
1 answer
152 views

Is disabling all the wireless connections the same as enabling "airplane mode"?

I'm confused right now because I don't know if enabling the airplane mode disables all the data connections or it does something more.
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-2 votes
1 answer
108 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 ...
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2 votes
1 answer
5k views

What is an easy method to test whether UDP traffic is blocked?

What is an easy method for an Android device to tell whether a data connection (either WiFi or mobile data alone) has UDP traffic blocked? Many corporate and public access points restrict UDP access, ...
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1 answer
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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 ...
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0 votes
1 answer
237 views

Nexus 9 - How do I change the cellular band?

I've got an international edition 32GB Nexus 9 LTE. It appears to be unable to connect to 3.5G / HSPA+ networks, as a result, I get poor data speeds (3G is pretty slow for my requirements). I've got ...
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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 ...
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1 vote
1 answer
350 views

None, or choppy, 3G/LTE data transfer with T-Mobile US on international HTC One M8

I have an international HTC One M8, and an off-contract plan with T-Mobile (highest priced, unlimited LTE). If I go into settings and set mobile data to only use 2G, everything works reliably. With ...
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1 vote
0 answers
125 views

Losing Mobile / Cell Connection When Leaving Home WiFi

I have a Galaxy S6 (T-Mobile US). This issue started shortly after the OTA update to 5.1.1. The frequency has increased from every few days to every time I leave the house whereby a reboot is the only ...
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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 ...
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