Skip to main content
New
Stack Overflow Jobs powered by Indeed: A job site that puts thousands of tech jobs at your fingertips (U.S. only). Search jobs

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.

55 questions with no upvoted or accepted answers
Filter by
Sorted by
Tagged with
4 votes
1 answer
571 views

How to avoid to have my carrier resend information to my G2X after losing sms over 4g after instaling a rom

Ever since I got that great/not so great phone I have been attempting to get a good version of gingerbread running on it since the stock version of froyo LG has on it is too unstable for me. Every ...
Iznogood's user avatar
  • 183
3 votes
0 answers
57 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
3 votes
0 answers
327 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
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
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
2 votes
0 answers
377 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
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
2 votes
0 answers
2k views

Acceptable Signal Strength Ranges for 2G/3G and 4G

I have been logging signal strengths on my phone and am trying to understand what ranges can be considered "Good" and "Bad". RSSI is a measure of signal strength for GSM (2G/3G): -50dBm to -113dBm ...
tezz99's user avatar
  • 21
2 votes
0 answers
57 views

What causes latencies in the 1-10 second range?

I use my mobile phone as access point now and then. Both home and abroad I have regularly experienced extremely high latencies (10000ms) with fairly low packet loss (5%). What causes this? I have ...
Ole Tange's user avatar
  • 386
2 votes
0 answers
166 views

Rarely get 4G service on my HTC Rezound

I rarely get 4G service on my HTC Rezound. I live in a city with plenty of access (Washington, DC) and visit cities which should also have access (Los Angeles, Chicago, and New York) and yet no matter ...
SnowboardBruin's user avatar
1 vote
0 answers
62 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
1 vote
1 answer
63 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
0 answers
104 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
1 vote
0 answers
56 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
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
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
1 vote
1 answer
691 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
82 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
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.
arashi01's user avatar
  • 111
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 ...
3ventic's user avatar
  • 121
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
1 vote
0 answers
446 views

APN settings vanish after some time of LTE data usage and only return on restarting phone

I am using OnePlus 3 and Reliance Jio sim. Android version 6.0.1. I am able to use 4g data via the sim. Major access point name settings that I get by default from the network: APN: jionet mcc: 405 ...
Paagalpan's user avatar
  • 111
1 vote
1 answer
702 views

Can the Nexus 6P use GSM data if the connected Wifi has no route to the internet?

I have a Nexus 6P and use it to connect to a Phantom 3 4K drone using WiFi. Obviously, because it's a private WiFi network with no external connectivity my phone can not contact the internet via WiFi. ...
Chaostime's user avatar
1 vote
0 answers
112 views

Can android use wifi as client to a Sony camera, and also have an active 4G-connection at the same time

I have a Sony QX1 camera that acts as a wifi AP. My phone connects to it as a client, and I use the playmemories app to control the camera. Is there any way I can have both wifi and 4G active at the ...
Pokerfjes's user avatar
1 vote
0 answers
2k views

Is there any way to add LTE/WCDMA/GSM (Auto) option in a rooted non LTE device (Note3 Neo)?

So my phone is an Indian Note 3 Neo (SM-N750) which has an Exynos processor. I need to activate the above requested option so as to trick a LTE only sim into believing that my device can support LTE ...
Raamish Malik's user avatar
1 vote
0 answers
592 views

Why does my Moto G 2nd gen show H and not LTE?

I just switched from T-Mobile to Cricket today, for 2 Android phones. One is my existing OnePlus One and it shows LTE next to the signal strength. The other is a (new) Moto G 2nd gen, which I read ...
Dave Ludwig's user avatar
1 vote
0 answers
1k views

Lost 3G/4G signals, 2G works only; factory reset or downgrade or changes in network settings didn't help

I have a Samsung Galaxy S4 LTE working on Lollipop and I completely lost the 3G and 4G signals. I can only use the 2G signal. When I choose in the network options (Only HSPA) there's a stop like ...
user135037's user avatar
1 vote
1 answer
2k views

How does voLTE and Band 12 work for T-Mobile and can Cyanogen/AOSP allow us any control over this?

How does voLTE Certification work? My understanding is that only phones on this approved list by T-mobile are supported on Band 12. Band 12 is the new Extended Range LTE band and T-Mobile is investing ...
Evan Carroll's user avatar
  • 4,267
0 votes
1 answer
75 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
0 votes
1 answer
84 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
0 votes
1 answer
117 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
217 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
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
0 votes
0 answers
809 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
0 votes
0 answers
816 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
0 votes
0 answers
363 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
0 votes
0 answers
69 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
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
0 votes
1 answer
88 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
0 votes
1 answer
278 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
105 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
0 votes
1 answer
59 views

I mistakingly cancelled my android software system update I can get it back again and what are the procedures

I mistakingly cancelledy android system update Please can any one teach me the procedure of updat my android system software ? There is no select option from the main men about phone network ...
Maximus ulysis's user avatar
0 votes
1 answer
1k views

How to enable 4G in Samsung Galaxy S4 (SPH-L720)?

I have a Samsung Galaxy S4 (SPH-L720). I want to use 4G. I'm using Zong which has 4G internet and I'm using 4G on my other mobile, but I want to use 4G on this mobile because it has better performance ...
Abdul Raheem Dumrai's user avatar
0 votes
1 answer
206 views

Does the Samsung Galaxy 5 support Band 12 LTE?

Does the Samsung Galaxy 5 support Band 12 with AOSP/CM13?
Evan Carroll's user avatar
  • 4,267
0 votes
0 answers
87 views

Block 4g when WiFi is available, and limit access to programs

What's the best way to config it? If WiFi is available, 4g remains locked. When WiFi isn't available, use 4g, but only for Watsupp and no video.
Hikari's user avatar
  • 151
0 votes
1 answer
555 views

LG G2 not picking 3G and GSM Signals

I just bought an LG G2 32GB Version from China. The problem is it does not pick up any network connection, it keeps saying Searching for service. I just noticed the box is written 100%LTE. Is there ...
Ndeto's user avatar
  • 101
0 votes
1 answer
54 views

Why did my tablet just suddenly stop wanting to charge?

I have a Samsung Galaxy Tab Lte and when I plug it in with its original samsung wall charger that charges any other samsung device I have, It's not charging or showing the charging icon. This just ...
ScottPierce4567's user avatar
0 votes
3 answers
1k views

Need to recover android system for soft bricked Onda v919 4G

I have an Onda v919 4G that I messed with and broke. I changed a line in the /system/etc/parameters file. I wanted the system to use my SD card (256 Gb) as the primary storage device for my apps and ...
Ben's user avatar
  • 1