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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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Galaxy A15 4G SIM Card not detected after 6 hours

I’m currently experiencing an issue with my Galaxy A15 4G. After approximately 6 hours of usage, the phone suddenly behaves as if there’s no SIM card inserted. I’ve conducted some tests and found that ...
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How do I diagnose and fix "No Service" on Samsung A52S A528B

I woke up one morning to find my mobile (it's pretty beat-up and recently had a professional screen replacement) displaying "No Service". I'm now unable to use mobile internet, make calls or ...
user1083734's user avatar
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29 views

Network unlocking under Android 2.3

Samsung SGH-I577. Got the unlock code! Yay! Issue is that the network lock screen doesn't show up. At all. Tried with non att sims, the phone says the sim isn't inserted (which... no?). Is there ...
qwerty keyboard's user avatar
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20 views

WiFi and data usage are not reflected properly when the date is changed manually

I set the date to November 26th of next year and then used the data through the hotspot function. However, if you check the data usage, the data usage from November 26, 2024 to December 25, 2024 is 0. ...
추민서's user avatar
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1 answer
177 views

Firefox cannot access internet with mobile data (but does with Wi-Fi). Chrome works with both

My phone is a Xiaomi Poco X3 pro, running Android 12 (QKQ1), and it says it has MIUI Global 13.0.4 stable. Firefox is version 118.1.1. With Firefox, I am able to access the internet through Wi-Fi, but ...
user52366's user avatar
  • 151
2 votes
1 answer
399 views

How do I hide the network name from the notification bar on Fairphone?

I recently switched my phone carrier and the new one has a network with a pretty long name. It shows in the top left of the screen, in the status bar. Since the name is long, it pushes other ...
Demurgos's user avatar
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1 answer
86 views

Is it possible to select base station to connect to?

There are applications that show the base stations around, but is there a way to select the base station to connect, inside the phone provider of course? For example, if my provider XYZ has 3 base ...
Self's user avatar
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Can I use a US SIM card on my xiaomi Note 8? [closed]

I am trying to use my Verizon SIM card as well as a SIM card from airvoice wireless on my xiaomi Note 8. It says that it's reading the cards but I don't know how to enable them if I can.. Please help?!...
Julia Babb's user avatar
1 vote
0 answers
59 views

Android 12 froze, does this leak IP address with VPN killswitches enabled?

I have a VPN running with Android's 'always-on' VPN feature enabled, and the 'block connections without VPN' feature enabled. My device running Android 12 recently froze and wouldn't respond. I had to ...
Frostoverhaul's user avatar
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53 views

Android 13 takes half an hour to connect to mobile network

I have a fairphone 4, and when I restart it, it takes about half an hour or more to get network connection. Even if I set the phone to manually pick a network operator, the phone is unable to connect. ...
Carlos Garcia's user avatar
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Hotspot keeps disconnecting/connecting if smartphone too close to laptop

I have a Windows 11 laptop and everything was fine before. But today, I noticed my laptop disconnects from my mobile hotspot if it's too close. I have to keep the smartphone outside the room for it to ...
Sajjal Rana's user avatar
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1 answer
65 views

Why would one phone be compatible on a network but another not?

I lost my Asus Zenfone 8. I'm borrowing another one which has all the same specs per imei.info. However, when I check the device's compatibility with the Cricket network, his phone shows as ...
aaaaaa's user avatar
  • 101
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0 answers
19 views

Android devices take upto 10 minutes to acquire cellular reception after boot while roaming

When I boot android device having a SIM on roaming it took around 2-10 minutes to get cellular reception. I've tested this on multiple devices, similar behavior. One interesting thing is, if device is ...
Al Mamun's user avatar
  • 101
3 votes
0 answers
760 views

Is it possible to automatically disabling mobile data when connected to anyone 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 ...
yoda666's user avatar
  • 81
1 vote
1 answer
369 views

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 ...
itoldusoandso's user avatar
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91 views

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 ...
gurmel singh's user avatar
3 votes
1 answer
921 views

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. ...
Viral Jain's user avatar
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0 answers
95 views

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....
Mihail-Cosmin Munteanu's user avatar
3 votes
1 answer
1k views

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 ...
JohnEye's user avatar
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1 vote
1 answer
987 views

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 ...
mnd's user avatar
  • 153
1 vote
0 answers
96 views

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 (...
BlueMOSFET's user avatar
3 votes
1 answer
636 views

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 ...
Mastaxx's user avatar
  • 131
3 votes
0 answers
797 views

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 ...
Andrew15_5's user avatar
2 votes
0 answers
854 views

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. ...
Guilherme's user avatar
  • 131
1 vote
1 answer
258 views

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://...
WebViewer's user avatar
  • 113
2 votes
1 answer
980 views

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. (...
Z-100's user avatar
  • 121
1 vote
0 answers
48 views

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 ...
Schquestoning's user avatar
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0 answers
118 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 ...
Juan Carlos's user avatar
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0 answers
212 views

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 ...
Nikki van Braam's user avatar
1 vote
0 answers
701 views

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 ...
Luffy's user avatar
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1 vote
0 answers
53 views

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 ...
D. Reed's user avatar
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1 vote
1 answer
412 views

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 ...
Tratosca's user avatar
0 votes
0 answers
93 views

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, ...
Imicoz's user avatar
  • 1
2 votes
1 answer
211 views

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 ...
swcoll's user avatar
  • 31
0 votes
0 answers
432 views

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 ...
Ned64's user avatar
  • 101
1 vote
0 answers
28 views

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 ...
a20's user avatar
  • 11
1 vote
1 answer
375 views

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 ...
PleaseAndThanks's user avatar
0 votes
0 answers
19 views

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 ...
Badshah Khan's user avatar
0 votes
0 answers
399 views

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 ...
Mohammed Ahmed's user avatar
2 votes
0 answers
649 views

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/...
Joe Cowboy's user avatar
1 vote
0 answers
726 views

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 ...
Topper Harley's user avatar
1 vote
0 answers
117 views

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 ...
ajthealchemist's user avatar
1 vote
0 answers
4k views

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 ...
Krish's user avatar
  • 11
0 votes
0 answers
2k views

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 "...
Gyro Gearloose's user avatar
0 votes
0 answers
52 views

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 ...
Catfoxes's user avatar
  • 166
-1 votes
3 answers
399 views

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?
orschiro's user avatar
  • 412
1 vote
0 answers
102 views

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 (...
Dayne's user avatar
  • 111
1 vote
0 answers
411 views

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 ...
Mihir Bala's user avatar
1 vote
1 answer
228 views

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 ...
eezacque's user avatar
  • 111
1 vote
1 answer
439 views

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. ...
ttshaw1's user avatar
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