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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Is it possible to automatically disabling mobile data when connected to Wi-Fi?
I regularly forget to turn off mobile data after connecting to Wi-Fi. It's not just a waste of battery, it's mainly a problem with random signal fluctuations (especially on public Wi-Fi) where it ...
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Change DNS on Android - via Settings/Network&Internet/Advanced/Private DNS ... or via Settings/Wi-Fi/Modify network/Advanced options/IP Settings?
Device is on Android 9. NOT rooted.
I want to set the DNS to CIRA (or Cloudfare or whatever, not the point). Yes my wifi router is already set to proper DNS. If I am not at home I want the device to ...
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How to replace and sync(on the fly) EFS partitions via Termux instead of Fastboot or Recovery?
I have backup of my EFS partitions in raw and also in .Img format.
So now i want to:
replace my current EFS partitions via Termux/Terminal emulator app.
replaced EFS should also sync with modem ...
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Oneplus 6 (8gb/128gb) SIM & Wifi disappears & phone reboots randomly frequently. What to do?
Oneplus 6 (8gb/128gb) worked perfectly fine from July 2018 to Nov 2022. Now, problems start appearing. There are 2 separate problems - SIM & Wifi disappear & Phone reboot at random frequency. ...
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Android access IPv6 website only, on Mobile Network
I have a Nextcloud running on a Raspberry Pi 4.
My ISP: Vodafone (Germany) didn't give me a unique public IPv4 address, so I had to use my IPv6 instead to set an AAAA record for my domain (cloud....
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How to disconnect SIM from network on schedule
I have a 2-SIM phone and need to be able to unregister one of the SIMs from the network each Friday from 16:30 to 20:00. The reason is that this SIM is a duplicate of another SIM which my friends use ...
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Accidentally selected USA Band on Lenovo K6 Power, no way to change it back
I have Lenovo K6 Power and I was playing around with *#*#4636#*#* and accidentally set the radio band to USA Band. Now there's no way of changing it back. So, now I only use single SIM internet data, ...
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How can I make my phone prefer my mobile network (LTE) over WiFi?
I have a phone running Android One 12. Preferably without root access - is there a way that I can make it prefer my mobile network over WiFi? This is because I'll be traveling on a ferry and want it ...
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2G preferred network type on Android 13
I'm using a crDroid rom on a Samsung S8 phone and I have realized that google decided to fight 2G networks.
I have only 3G and 4G options for preferred network type now in the rom settings. And if I ...
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Connections towards specific inbound ports on cell phones
Imagine a cell phone connected to internet via 3G/4G/5G, but not via wifi (and a router). Wifi is either temporarily disabled on the cell phone, or not available at that area.
Can that cell phone run (...
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Why does my Samsung Galaxy S10 mobile hotspot cut out after exactly one hour?
I have an issue where if I turn on my hotspot it will automatically stop working after exactly one hour, every time. I have tested this with a stopwatch several times to confirm this is the case. It's ...
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Is there any way to hide mobile carrier from applications?
I have 2 applications that refuse to work (fully or at all) if I insert a SIM card in a smartphone.
Disabling mobile data and geolocation (which is not allowed by default anyway) doesn't change ...
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Mobile network does not work after flashing a custom ROM on Samsung Galaxy J7
I've flashed Lineage OS 18.1, 17.1, and Havoc OS to Samsung Galaxy J7, but it seems that every custom ROM I flash on my mobile changes my IMEI to 350000000000006, thus my mobile network doesn't work. ...
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Samsung Galaxy A22 5G never shows 5G
My 'Samsung Galaxy A22 5G' never shows "5G" on its status bar, despite being where 5G coverage is proven (checked on another 5G smartphone of mine).
It only shows "4G+".
https://...
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Samsung Galaxy loosing mobile network connection randomly until restart
I'm using a Samsung Galaxy S20 FE 4G and every time I enter a building's basement, even for just a short time period, the connection is cut and my phone looses it's connection to the mobile network.
(...
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Why would 5G be significantly slower than 4G?
I have a 5g enabled Pixel 4a phone and am using it in an area with excellent T-mobile 5G coverage. For some reason when network preferences are set to 5g, the data rate is a small fraction of the ...
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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 ...
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Network connection not working while calling Xiaomi 10T
My boyfriend and I call a lot, and for the last few months we noticed that he isn't able to use his 5G network when we are calling. We call a lot and we don't always have a wifi connection, so it is ...
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Weird case, only internet working, calls and messages are stopped
My mobile is Moto G4 Play and has a Jio Reliance SIM in it. I am receiving full mobile networks and I am able to browse internet. But, I cannot receive any calls and messages. I cannot make any call ...
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Switch firmware to enable U.S. cellular phone towers on LG V50 ThinQ?
I had bought an LG V50 ThinQ a few months back to exchange with my old phone. However, lately, people have been calling me and it goes straight to voicemail from time to time.
It turns out that I have ...
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My Android 12 can resolve hostnames but can't connect directly to IP adress?
I'm facing a weird behavior when using mobile data.
My Sony Xperia 5 mark II on Android 12 with Magisk root can connect to the Internet if I connect to the URL. However if I try to connect directly to ...
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Force network operator
I'm getting my phone service through a medium sized company in my country, which means they have their own LTE network (called ice+). With my current plan I have practically free use of this network, ...
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Phone won't automatically reconnect to the mobile internet
My phone (Xiaomi Redmi Note 10, Android 11) spontaneously disconnects from the mobile internet after being connected for a couple of hours, and it won't automatically reconnect. Can stay unconnected ...
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Lost mobile data connection upon Android 11 minor upgrade - from Sep 1, 2021 to Nov 1, 2021 - APN menu gone - Motorola moto g 5G
My Motorola moto g 5G was updated to Android 11 with Android security update Sep 1 2021 a few weeks ago. Everything worked fine until a few days ago when there was a seemingly minor update to Android ...
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Speed up network selection
I am living on the border between two countries and consequently I often have to manually select a network, either from one country or from the other country. My issue is that searching for the ...
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Japanese SIM card not connecting to network in US
I have a Samsung Galaxy S8 SM-G950U that I used with Verizon. I moved to Japan and got a Japanese SIM card through SoftBank and used in my Galaxy S8 without a problem. My account has a global roaming ...
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Why Messenger still works even after I disabled its network permissions? [duplicate]
Actually sometimes I want to use the internet on Android but don't want to get the notifications from the social media apps like WhatsApp, Facebook, Messenger Instagram, Telegram etc.
So what I tried ...
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Is there a way to stop Android messages from network providers?
I receive ads from my network provider via Android pop-ups:
Is there a way to disable it?
These messages are extremely annoying,
I woke up last night due to the brightness of the screen, as these ...
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Cannot bind to Cell Network Interface example with curl
I am trying to use the Mobile Network interface rmnet_data0 while Wi-Fi wlan0 is enabled. You can read my progress with the developer JsBergbau of BindToInterface at this link https://github.com/...
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Cannot choose different cellular network while on roaming
I am an EU citizen visiting a different country now (but still in EU), in the country's capital. For my travels I have bought a data pack from my provider (I don't have/use data otherwise). Now ...
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Cannot connect to 2G/3G networks using Android 11-based custom ROMs
I've tried Android 11-based ROMs, such as BlissROM, HavocOS, and crDroid, on Redmi 4X (santoni), but none of them could connect my phone to 2G (GSM) or 3G (WCDMA) networks. I've confirmed that the ...
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Note 10 Plus Stuck with Partial Flight Mode (Faded Blue). What does this mean? Is this an indication of hardware failure?
I haven't yet come across a situation where factory reset didn't resolve the issue. This one is very intriguing to me as I could not conclude why the phone could stay in the partial flight mode (faded ...
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Battery usage for "mobile network standby" even without SIM-card
I have a phone reserved for development, which has never seen a SIM-card (to avoid accidental use of expensive amounts of data transfer).
Now, when checking battery usage, I see 4% accounted to "...
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How to activate band aggregation all thee time when available (4G+ at all times)?
The 4g+ network only activates when network is under big load.
I'd like to have 4g+ activated as soon as it is available and as long as it is available.
Does anybody know where I can change the ...
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Prevent app from accessing mobile network on Android 8?
I am on Android 8.0.0 and not able to find an option to prevent an app from accessing the mobile network.
Did I just not find it or doesn't this feature exist on version 8 yet?
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Able to text and use internet, but no phone calls
It is a refurbished Yureka Note.
I added a newly activated sim in it. It's sending and receiving text messages. After saving the gprs/mms settings sent by mobile operator, I am able to use internet (...
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Why do LTE Network Interfaces Change Names?
You may have seen my earlier question here detailing my struggles with multiplexing LTE and WiFi on a rooted Android device. Much of this stems from an issue I seem to run into with the LTE network ...
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Google Play Store uses mobile network, ignoring Data Saver settings?
One of my apps is allowed to use the mobile network, and all others are confined to wifi. This is specified in my Data Saver settings, but according to GlassWire, Google Play Store is still using the ...
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Intermittent failure to receive SMS and MMS messages
I noticed an issue in mid December where a few messages in a row that were sent in a group MMS were never received on my phone. A few days ago, I had the same issue with an SMS message sent to me. ...
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Wifi Card / Mobile Hot Spot
I am learning about networking, specifically the data link to session layers. I have an extra android phone I have been learning with on various things, and I am at the point where the application ...
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Some websites not reachable using cellular data but working perfectly using Wifi
I a have a Xiaomi mi 9 se phone and I am not able to access some websites using their IP adress. To give you some context, I have some servers I wish I can access but it not possible, I receive a ...
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Latency spikes regularly spaced on a OnePlus5 phone, reproducible on both ATT & TMobile
I'm seeing latency spikes consistently spaced. I'm using packetlosstest.com to check latency (also experiencing the issue with real-time apps). Normal latency is ~100ms, at regular intervals I ...
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Unknown phone number
An app that I need is not recognizing a SIM/Phone number.
...But the problem is not the app:
Before we go: I've visited other forums, but the answers are uneffective, completely unfit, or oriented to ...
user113550
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Enable usage of mobile data while connected to a WiFi without internet connection
It is possible to allow my device to use mobile data while connected to a WiFi hotspot?
The reason being is that the WiFi hotspot I connect to does not have an internet connection. So I want to be ...
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Network stack broken after uninstalling AFWall?
Since uninstalling AFWall and rebooting, I "connect" to LTE/3G/2G and wifi but there is always a little X on the icon and never any network access (can't actually access anything with ...
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Only use 2G for calls?
My current phone unfortunately does not support VoLTE, so I'm limited to 2G for calls.
However, for all other uses (internet, messaging), even the worst LTE reception is still infinitely better than ...
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Value for "Global auto (prl)" to fill default_preferred_network on build.prop
My Smartfren Andromax A with LineageOS 15.1 can't send & receive SMS unless I set my default preferred network to global auto (prl) and then perform a hot reboot.
I have an idea to edit my build....
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Why does my mobile data work only on hotspot?
I own a Samsung Galaxy A71 and I'm on Reliance Jio network.
When I had bought this phone and put a new Jio SIM on it, my mobile data worked fine, but the hotspot didn't. My laptop browser said 'DNS ...
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Nokia 7 plus network issues
I bought a used Nokia 7 plus not long ago and it worked perfectly at first.
But recently I have been encountering multiple problems concerning the mobile network connection of my phone. Those ...
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Does cell service provider has ability to display ads over other apps?
I came to realize that in rare occasions when using the Android phone, Cell service provider (Mobile Network provider) shows some popup advertisements. Regardless of the app, screen I was in it always ...
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