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.

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1answer
4k views

Aggregating two 4G/3G data links from 2 different sims?

Having two 4G capable sims -from truely two different operators (no virtual carriers at all)- and a Dual Active sim phone (Zenfone 2 Laser), I want to do true load balancing with a 1 sim + 1 sim 4G/3G ...
4
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1answer
556 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 ...
3
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0answers
260 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....
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0answers
36 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+. ...
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0answers
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 ...
2
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0answers
40 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 ...
2
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0answers
161 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 ...
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0answers
131 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 ...
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0answers
26 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 ...
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0answers
50 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"?
1
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1answer
427 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 ...
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0answers
60 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 ...
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0answers
42 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.
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0answers
59 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 ...
1
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1answer
28k views

You have lost data connectivity because you left your home network with data roaming turned off

I get a "you have lost data connectivity because you left your home network with data roaming turned off " message whenever I turn on my 4G connection. The problem is my sim card if from the same ...
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0answers
62 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.
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0answers
413 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 ...
1
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1answer
603 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. ...
1
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0answers
103 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 ...
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0answers
1k 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 ...
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0answers
586 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 ...
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2answers
2k views

Change IMEI number to obtain tablet data plan?

It looks like T-Mobile offers very cheap data-only plans, but these are only available for tablets. I have read that this is enforced by tracking your IMEI. I was wondering: Is it possible to change ...
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0answers
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 ...
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1answer
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 ...
0
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1answer
41 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).
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19 views

Is there a way to host a public minecraft server on a 32-bit Android device

I have only a 32-bit android device. Is there a way to host a minecraft bedrock edition server on it?
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0answers
44 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 ...
0
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0answers
52 views

Access Channel Impulse Response of LTE signals on cell phone

Is there a way to access channel impulse response information on ios/android or any other mobile software? I was looking at the android developer website but could only find functions that provide ...
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0answers
67 views

Internet speed slows down when charging

I have tested two android phone as soon as i plug the phone to charger or powerbank the internet speed drops like 50% to 80% is it normal?
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0answers
130 views

Mobile Data Always Active Not Working

I have my android device connected to a wifi router. I know for a fact that the router is not connected to the internet, which I am fine with. On the wifi settings page it says "Internet may not be ...
0
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0answers
42 views

Sim Card Virtualization in JIOFI

I have a 3G android without any sim. For UPI verification in Gpay, a SIM is required. Is it possible to virtualize the sim in JIOFI device?
0
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0answers
202 views

How to successfully complete an LTE RAM dump using “Boost” LG STYLO3(ls777)

When trying the LTE RAM DUMP it's not working. I have a boost LG Stylo3 (ls777) and I've tried the dialer code sequence given and it does nothing... Is there another code sequence I should be trying ...
0
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1answer
647 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 ...
0
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1answer
59 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.
0
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1answer
238 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 ...
0
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0answers
100 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 ...
0
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3answers
3k views

Disable mobile data permanently

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 ...
0
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1answer
39 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 ...
0
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1answer
907 views

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

I have a Samsung Galaxy S4 SPH-L720 I want to use 4G. How can I enable 4G in Samsung Galaxy S4 SPH-L720.
0
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1answer
184 views

Does the Samsung Galaxy 5 support Band 12 LTE?

Does the Samsung Galaxy 5 support Band 12 with AOSP/CM13?
0
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0answers
76 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.
0
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1answer
550 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 ...
0
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1answer
52 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 ...
0
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3answers
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 ...
0
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1answer
97 views

Nexus 4 rooted, stuck at CM10 for various reasons - HELP!

I've been using a Nexus 4 for almost 2 years now. I rooted it to get LTE connection. Downgraded radio and all... it was beyond my level of expertise but I managed to get LTE and CM10, along with a ...
0
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2answers
3k views

Xperia Z3v Simultaneous LTE and Voice Service

I'm told by Verizon that the Z3v will be unable to access mobile data while in a call until January. If only they told you this before the sale! In any case, does anyone know of a workaround, or a way ...
0
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0answers
33 views

Point of using 4G enabled Nexus tablet in the USA

As far as I know, the providers (AT&T, Verizon, TMobile) in the USA neither sell nor support mobile connection for Nexus tablets. So what is the point of buying a Nexus tablet with 4G support in ...
0
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0answers
398 views

Third Part Device: Get 4G on the “Uncarrier” via Root Permissions

I have a third part device. BLU STUDIO 5.5. I think my carrier (T-Mobile, a.k.a "The Uncarrier") said that this phone is originally an AT&T or Sprint phone, I don't remember. Point is, that it's a ...
0
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2answers
338 views

How to Switch from 4G to 3G Galaxy Epic 4G SPH-D710?

I have received Galaxy S2 Epic 4G SPH-D710 unfortunately, 4G connection is not available where I live Just only 3G is available. When I turn on 4G hopefully It maybe switch to 3G automatically I get ...
-1
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1answer
791 views

How to root Huawei Y3II L02 4G

How do I root my Huawei Y3II and when would a method be available for my device