Skip to main content

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.

Filter by
Sorted by
Tagged with
3 votes
1 answer
2k 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 ...
ariel's user avatar
  • 190
1 vote
1 answer
126 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 ...
Steve's user avatar
  • 75
0 votes
1 answer
85 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 ...
FoamyGuy's user avatar
  • 1,533
1 vote
1 answer
36 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 ...
Ertnad's user avatar
  • 113
1 vote
0 answers
63 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 ...
Mihai's user avatar
  • 11
3 votes
0 answers
63 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 ...
snpay's user avatar
  • 31
0 votes
1 answer
87 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 ...
Ahmad Turani's user avatar
2 votes
1 answer
220 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
1 answer
225 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 ...
SAM GARAI's user avatar
0 votes
1 answer
119 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 ...
SBE's user avatar
  • 1
0 votes
0 answers
223 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 ...
ChennyStar's user avatar
1 vote
1 answer
70 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 ...
MCG's user avatar
  • 123
1 vote
2 answers
43 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 ...
JZK's user avatar
  • 133
1 vote
0 answers
23 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 ...
onlycparra's user avatar
1 vote
0 answers
109 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. ...
DigitalDetox's user avatar
0 votes
0 answers
57 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
0 votes
0 answers
855 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 ...
user2284570's user avatar
2 votes
0 answers
2k 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, ...
Marian Pepa's user avatar
1 vote
0 answers
57 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 ...
Mohito's user avatar
  • 11
2 votes
1 answer
938 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 ...
Clément's user avatar
  • 181
1 vote
0 answers
23 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 ...
ICreativeCrum's user avatar
0 votes
0 answers
838 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 ...
towe's user avatar
  • 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 ...
0range's user avatar
  • 151
0 votes
0 answers
368 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: ...
kaktus_car's user avatar
0 votes
1 answer
82 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).
simplegamer's user avatar
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+. ...
Abbas Bhaijibhai's user avatar
0 votes
0 answers
73 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 ...
user avatar
2 votes
0 answers
378 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 ...
user2284570's user avatar
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 ...
Ajit's user avatar
  • 360
1 vote
1 answer
380 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 ...
Rithvik Vibhu's user avatar
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 ...
dl12's user avatar
  • 1
1 vote
3 answers
3k 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 ...
productiveuser's user avatar
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 ...
user1306322's user avatar
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"?
Haider's user avatar
  • 111
3 votes
1 answer
568 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 ...
rsn's user avatar
  • 173
1 vote
1 answer
693 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 ...
Himi's user avatar
  • 43
1 vote
0 answers
83 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 ...
Aero Windwalker's user avatar
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 ...
LeanMan's user avatar
  • 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 ...
Santiago Michelis's user avatar
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.
arashi01's user avatar
  • 111
0 votes
1 answer
89 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.
negusp's user avatar
  • 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 */ ...
user541686's user avatar
0 votes
1 answer
61 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 ...
Seub's user avatar
  • 133
0 votes
1 answer
281 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 ...
jiggunjer's user avatar
  • 387
0 votes
0 answers
108 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 ...
Geo's user avatar
  • 101
1 vote
0 answers
71 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 ...
3ventic's user avatar
  • 121
2 votes
2 answers
52k 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 ...
bixqu's user avatar
  • 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 ...
user avatar
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.
Ravindra Gooduri's user avatar
3 votes
0 answers
329 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....
Vovcheg's user avatar
  • 131