Questions tagged [4g]
4G is the fourth generation of cellular wireless standards, therefore the successor of the 2G and 3G families of standards. The candidates for 4G are LTE (Long Term Evolution) and WirelessMAN-Advanced.
143
questions
3
votes
1
answer
810
views
Hide VoLTE icon on Samsung
I used to be able to turn off VoLTE, but since a recent update, if I select 5G, VoLTE can't be disabled anymore (it is grayed out). I don't mind it being on, I just want to hide the icon.
If I select ...
- 171
1
vote
0
answers
14
views
No audio on Facebook, YouTube Android app when on 4G
My Pixel 5 audio is working while on WiFi at home.
When I'm not on WiFi and using 4G, any video on Facebook or YouTube has no audio.
On Facebook I can turn the audio off and on for each video, doing ...
- 155
0
votes
0
answers
43
views
How to Load Webpages From Local Network While LTE Data is Connected?
My device is connected to a local WIFI AP that has a network, but not an internet connection. On this local WIFI network there is a webserver running at http://192.168.4.1:8000/
In the browser on my ...
- 1,533
1
vote
1
answer
35
views
My mobile carrier is upgrading their network; must I replace my phone?
My mobile carrier is upgrading their network from 3G to LTE. I'm using a LG V20 phone, model LG-H915 to be precise. So far, I have been contacted twice by them, claiming that my phone and SIM card ...
- 113
1
vote
0
answers
41
views
Why is the loading of apps and websites sometimes freezing on my Android phone?
I'm using AdAway in VPN mode to block all ads on 3 phones and sometimes apps and sites won't load at all or load slowly. I'm using 4G+ and getting 50 mbps download speed. Phones are Realme Narzo 50 5G ...
- 11
3
votes
0
answers
30
views
CDMA signal disappear after changing network using an app
My phone is a replicate of the Huawei P8 called p8 lt Dual sim Android 6.01. After I used an app called Network Mode Universal to enable LTE on my phone, the signal disappear and I can't use my CDMA ...
- 31
0
votes
1
answer
63
views
SMS/call works when LTE is on but without it, it does not work. Why?
I recently removed my SIM and put it back in again. From then on my SIM does SMS and calls only when I turn on LTE in the mobile network section.
Even if internet is off it works with LTE. Why did ...
- 101
2
votes
1
answer
154
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 ...
- 31
0
votes
1
answer
159
views
Why are these different Android maximum upload and download speeds?
The following screenshot is from Realme 8 which has a max UL/DL of 15000/30000.
The next screenshot is from Asus Zenfone Max Pro (M2) which has a max UL/DL of 51200/102400.
The problem I am facing ...
0
votes
1
answer
100
views
Not Connecting with private LTE network
I have android camera vehicle mounted device. When install operator public network LTE sim, device is successfully connected to network but when install company private LTE network sim device is not ...
- 1
0
votes
0
answers
152
views
Has the choice of "network mode" an effect on battery when mobile data is switched off?
I have read that 2G uses less battery than 4G LTE, especially if I don't need much data.
Some sources :
https://www.uswitch.com/mobiles/guides/how-can-i-make-my-phone-battery-last-longer/
Does 4G ...
- 111
1
vote
1
answer
48
views
4G symbol appears but no/slow internet
I have a Samsung Galaxy S21 5G which has worked great, but the last day or so I have been having a very annoying issue where the internet just goes really, really slow, yet it is still showing the 4G ...
- 123
1
vote
2
answers
41
views
Is 3G network always available when 4G network is? [closed]
I'm going to buy an Android phone which has unfortunately blocked 4G calls by the operator. Only 3G calling will be possible. I think it's enough for voice, but:
Since I travel a lot, is the 3G ...
- 133
1
vote
0
answers
22
views
Use high speed internet on hotspot [duplicate]
Today I discovered that my cellphone provider, with the excuse of "saving my high speed quota" throttles the speed of my internet connection whenever I use hotspot.
For work reasons, I need ...
- 111
1
vote
0
answers
77
views
Data connection works without a data plan
I am trying to control my screen time by disabling internet access. I have filtered my mac address so the wifi does not work.
So I turned off WiFi and a 4G LTE symbol is shown in the notification bar. ...
- 11
0
votes
0
answers
44
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 ...
- 156
0
votes
0
answers
597
views
How to know the address of the dns server I m using?
Simple question but I couldn t find the answer anywhere. It is not part of ip informations and the information is not trivial when being connected to the Internet over lte.
getprop | grep dns is ...
- 429
2
votes
0
answers
1k
views
Android phone as 4G proxy server
I am trying to turn my old phone (Xiaomi Mi 5) into a 4G proxy server which I can use with different apps for scraping data, etc. I have been searching on how to set it up and I found some articles, ...
- 121
1
vote
0
answers
47
views
Connecting to a private IP over WiFi and public IP over LTE simultaneously
I'm designing an Ubuntu app for Android which is running through a Termux chroot jail. The app requires the phone to be connected to a drone through the drone's generated Wifi network. This network ...
- 11
2
votes
1
answer
779
views
No service on Blackview BV 5500 Pro with Lineage 17.1
The issue
I installed Lineage OS on my blackview BV 5500 Pro and am facing the "No Service" issue since. There does not seem to be any hardware issue and I've exhausted all the options I ...
- 181
1
vote
0
answers
20
views
Rog Phone wont connect to internet with data but wifi, calls, and texts work fine
my phone is not able to use the internet on data, but wifi works fine. I can still send and recieve texts, and phone calls work too but it's just the data. My sim works fine because I've tested it on ...
0
votes
0
answers
685
views
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 ...
- 131
1
vote
1
answer
3k
views
Is there any way to check if 4G/LTE is broken in LineageOS (FP2)?
Situation
I have a Fairphone 2. I recently installed Lineage OS 17.1
I have a UK phone provider.
I am in Germany for the next few weeks.
I am not able to connect to German networks with 4G (that ...
- 151
0
votes
0
answers
248
views
Does LTE Band 20 (800) really matter?
I'm looking to import Redmi K30 Ultra, and since it is not available globally (only Chinese ROM), in the specs it is stated it does not support LTE B20(800). My operator provides following coverage:
...
- 195
0
votes
1
answer
77
views
Will a CDMA carrier's LTE work on a GSM-only phone?
More specifically, I'd like to know if a Sprint-based carrier (Tello) will work on a Xiaomi Redmi Note 8 (M1908C3JG).
- 437
2
votes
0
answers
43
views
Data on 4G only with 3g access without data
My provider has special 4G only bundles at more GB/$ but has no VoLTE support, I was looking for a solution to block mobile data when and after i get a call or for other reasons when I drop to 3G/H+. ...
0
votes
0
answers
65
views
Phone not connecting in 4G
I have, since almost one year, a Xiaomi Redmi Note 6 Pro smartphone and never connected on 4G, in the tray bar there is always H or H+ (in the previous phone I had it was almost always on 4G). My ISP ...
user308565
1
vote
0
answers
362
views
Finding which lte bands my Samsung galaxy tab supports without rooting?
Everything is in the title It’s not about the bands currently in use but those my device can supports (my cell phone provider is refusing to let me access full of their supportted bands)…
As I don t ...
- 429
3
votes
2
answers
8k
views
Two 4G sim enabled simultaneously (Jio & Airtel) - Samsung Galaxy On Max
I have Samsung Galaxy On Max and inserted two different carrier SIM cards that are Jio4g and Airtel. It has been written that this device is dual sim 4g. It was working fine till I was using Jio4g as ...
- 360
1
vote
1
answer
365
views
Disable VoLTE, while still using LTE - To force Jio4gVoice to work
I have a Nexus 5X running an unofficial Pie build (https://forum.xda-developers.com/nexus-5x/development/rom-android-source-project-t3827122)
VoLTE does not work (no incoming or outgoing calls), but ...
0
votes
2
answers
2k
views
Airtel 4g network not working on certain apps
So I am using Vivo V7 on an airtel 4g data connection and every time I try to open apps like swiggy or foodpanda I get a message saying "there was a problem" "please try again later. However when I ...
- 1
1
vote
3
answers
2k
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 ...
1
vote
0
answers
29
views
Is phone call quality different depending on the connectivity standard?
I've been trying to figure out how to achieve the best audio quality in phone calls, and part of it is finding out whether GSM, CDMA, LTE or other standards/technologies compress the audio the same ...
- 181
1
vote
0
answers
56
views
Why does VoLTE deployment only take a "Carrier Update" on iOS for all iPhones to have it enabled, but only a select few Android handsets get it?
I am guessing carriers need to adjust the software, but why isn't this negotiated by Android by default so that no modifications would be necessary? Why is there no equivalent of "carrier updates"?
- 111
3
votes
1
answer
544
views
Why do phones need an OTA update to support VoLTE for certain carriers but they work out of the box for other VoLTE carriers? [closed]
This is regarding unlocked phones sold from stores. A major carrier in my country depoloyed a VoLTE network and it worked even on custom ROMs with very minor problems. Now 2 other carriers are ...
- 173
1
vote
1
answer
655
views
No LTE on samsung s4 mini?
I am using a Samsung S4 Mini Model GT-l9195 with Lineage OS 14.1. I used the LTE Image to install LOS. But actually, I am not sure if my phone is able to use LTE. Because there was also a non-LTE ...
- 43
1
vote
0
answers
80
views
How to do a reset my LTE profile? (or fix some type of hardware LTE failure)
My phone, Samsung G920FD aka Galaxy S6 Duo works with band 3 LTE yet lately (two days ago), it sudden stops to work on this band, it simply doesn't connect to it while my other phones connect to band ...
- 974
2
votes
1
answer
69
views
LTE: Lost/Stolen Phone in another country, didn't receive text/data/voicemails after new SIM?
I had an unfortunate situation occur to me where my phone was pick pocketed out of my pocket while on Vacation out of the country. We decided to not cancel the phone line because doing so would ...
- 123
0
votes
1
answer
1k
views
XIAOMI Mi A1 LTE bands - User manual or website is right?
Situation:
Live in Spain, moving to Argentina. Buy a new Xiaomi MI A1, on the website it lists support to LTE B4 (main band in Argentina).
Get the phone, open the box which says GLOBAL Version, but ...
1
vote
0
answers
45
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.
- 111
0
votes
1
answer
87
views
What are the radio band present in the hidden phone menu?
Not locked to it or anything (plenty of efs backups) just wondering what differences there are between say, the US band and the Cellular 800 band.
- 133
1
vote
1
answer
5k
views
Translation of RIL_PreferredNetworkType terminology to human speak?
In Android's source code, I see
typedef enum {
PREF_NET_TYPE_GSM_WCDMA = 0, /* GSM/WCDMA (WCDMA preferred) */
PREF_NET_TYPE_GSM_ONLY = 1, /* GSM only */
...
- 624
0
votes
1
answer
49
views
4G network compatibility in France
I read somewhere (here) that in France, in order for the 4G to work ideally with all carriers, one should have a smartphone with the 4G network spec: "FDD-LTE : Bands : 1/3/7/20/28".
I am considering ...
- 133
0
votes
1
answer
275
views
Get SIM card connection info
If I want to know if I am connected 2G, 3G or 4G, how do I check that on Android?
I don't seem to have any default SIM-related app on my phone, nor does the SIM setting screen give much information ...
- 387
0
votes
0
answers
103
views
4G signal with mobile turned off
Recently I have noticed that my cellular company (TIM, I'm in Brazil) has been charging me for network connections daily. I rarely use cellular network since at home and in my job has wifi and I don't ...
- 101
1
vote
0
answers
70
views
Receiving a call downgrades to 3G/H permanently?
Some background
I'm using my Nexus 5X running Android 7.1.2 as a wifi access point for my computers. I'm subscribed to an unlimited 4G plan, no upper limits. I got the phone last Fall, which is also ...
- 121
2
votes
2
answers
50k
views
"You have lost data connectivity because you left your home network with data roaming turned off" notification appears
My phone is a Huawei Ascend Mate7. I get the following notification whenever I turn on my 4G connection:
Data lost
You have lost data connectivity because you left your home network with data roaming ...
- 121
0
votes
3
answers
4k
views
Disable mobile data permanently [duplicate]
A strange request I know... but I am quite keen to disable mobile data from my phone permanently (as opposed to just switching it off in the settings) so that I can only browse the internet when I'm ...
user211461
1
vote
0
answers
65
views
Micromax E483 calls are not establishing until mobile is restarted
Recently I bought Micromax E483, it was working very nice but recently i am unable to make any call. Even after rebooting the mobile, calls are going only once or twice.
3
votes
0
answers
314
views
Can a phone support lte band 41 but not support band 38?
The only difference in Google Pixel's versions for North America and for the rest of the world is their support for different lte bands and carrier aggregation.
E.g., in tech specs (https://madeby....
- 131