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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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30 votes
2 answers
8k views

Can I use my device on a different carrier?

Sometimes it's desirable to use a device on a carrier that does not officially sell it. Often this is due to regional differences and travel (for example, using a US phone in Europe) but also because ...
16 votes
6 answers
130k views

How can I find out which bands my phone supports

Background: I recently bought the Padfone X, and have been attempting to get it on my network. Part of this effort has been verifying information I have found online which claims that it supports LTE ...
NT3RP's user avatar
  • 527
10 votes
1 answer
7k 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 ...
X.LINK's user avatar
  • 201
9 votes
2 answers
453 views

Do Verizon 4g phones degrade to 3g when 4g is not available?

I'm thinking about getting a Verizon Android 4G phone. But I have a question about how 4G works... 4G is supported in my city, however if I move into a part of the city where 4G isn't covered or it's ...
Jake Wilson's user avatar
8 votes
3 answers
3k views

Why does the 3G connection drop issue happen on all Verizon 4G LTE handsets?

OK, after having reviewed the Samsung DROID Charge, reviewing and owning a DROID BIONIC, and hearing from many Thunderbolt users, it seems like one problem is common to all Verizon 4G handsets: a ...
DavidAP's user avatar
  • 410
6 votes
2 answers
3k views

Moto X has 5 models with different LTE bands. Does it matter which one I get?

I want to purchase an LTE phone for use with T-Mobile. According to Wikipedia model XT1053 is what I need... however it uses LTE bands that many of the other phones don't use. What is an LTE band? ...
makerofthings7's user avatar
6 votes
1 answer
742 views

is it possible to mask esn of a smartphone?

On a computer, it's possible to trick a server that you are using a different computer by masking MAC address. Is there something like that for android? Rooted phones have full access. So I'd think ...
kirill_igum's user avatar
5 votes
3 answers
54k views

How can I force version 5.0.1 on Note 4 to only connect to 4G LTE when available?

My Note 4 running 5.0.1 will often connect to 4G rather than 4G LTE when both are available. When this happens I can turn airplane mode on and off it will then reconnect to 4G LTE, sometimes with 5 ...
Rob m's user avatar
  • 51
4 votes
1 answer
572 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
3 answers
5k views

Will a Samsung Galaxy S3 4G/LTE bought in the US work or be made to work on UK 4G?

I'm researching which phone to buy next and have mostly decided on a Samsung Galaxy S3. I'm on T-Mobile in the UK, which will probably transition to everything-everywhere in short order, who are ...
Peter Mounce's user avatar
3 votes
2 answers
73k views

Bypass T-Mobile Hotspot Tethering Limit by using the phone's unlimited plan?

I have the 10gb hotspot plan for tmobile but I also have unlimited data when I'm on my phone. Is there a way to bypass the hotspot limit by using the unlimited data from my phone instead? I have the ...
Patoshi パトシ's user avatar
3 votes
4 answers
58k views

How to safely activate LTE on S4 mini (GT-i9195) running 4.2.2?

I'd like to activate LTE on my device: S4 mini with LTE (GT-i9195). There seems to be ways of doing this, but they seem rather "scary" and experimental at best: http://www.androidauthority.com/...
nutty about natty's user avatar
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
3 votes
2 answers
3k views

Does the Nexus 4 have 4G?

I know it doesn't have LTE, but what about the 4G networks of other carriers? If I happen to buy one, will I be able to use it T-Mobile's "4G" HSPA+ network?
Sid's user avatar
  • 133
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
3 votes
1 answer
4k views

Dual SIM standby -- data and calls on different SIMs

I wanna ask about Dual SIM standby 4G phones, particularly Lenovo P70 if that makes a difference. If I have two SIMs: (A) with a call and SMS tariff, (B) with LTE data. If I browse the internet on (...
yo''s user avatar
  • 131
3 votes
1 answer
2k views

Can a 3G android phone support 4G?

I own a Samsung galaxy note 3 N900 which is a 3G phone. Its specification include HSPA+ : HSDPA 42.2 Mbps and HSUPA 5.76 Mbps In my area, Airtel is providing 3G at the speed of 2 Mbps and 4G at ...
kevin gomes's user avatar
3 votes
2 answers
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 ...
RobertHannah89's user avatar
3 votes
2 answers
9k views

A phone as a home 4G modem/router?

I live in a rural area where traditional cable, fiber, and even DSL are not a possibility. I am using a weird wireless system a local ISP set up for this area, but its flaky, slow and expensive. The ...
peteorpeter's user avatar
3 votes
1 answer
565 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
3 votes
1 answer
6k views

Which uses more battery? 4G lte internet or Wi-Fi?

I usually am within range of my Wi-Fi hotspot, and am using a Samsung Galaxy Note II. I've always wanted to know whether I'd have better battery-life if I was to turn off Wi-Fi? I have unlimited 4G ...
musicwithoutpaper's user avatar
3 votes
2 answers
315 views

What are the *technical* reasons preventing connection to 4G? How can I diagnose myself?

I have an EVO Shift, and often see an icon similar to 4G! (see enclosed picture with red arrow) in my android status bar. I have consulted with my carrier ad-nauseum, read the manual, rebooted, ...
Mike Pennington's user avatar
3 votes
0 answers
59 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
3 votes
2 answers
7k views

How to set signal strength threshold for switching WiFi on and off?

When the WiFi signal strength is low, the phone switches to a 4G network. When the WiFi signal strength is high, the phone switches to that WiFi network. This is normal behavior for any Android ...
Samir's user avatar
  • 1,415
2 votes
2 answers
28k views

Connect android phone to WAN port of router (not lan)

I would like to connect my phone to a router so that I can share its internet connection among the devices in my house. How do I connect the phone to the WAN port of my router so that the router is '...
Ne Mo's user avatar
  • 433
2 votes
1 answer
847 views

How can I tell the differences between a 3G, 3G LTE, and 4G phone?

I apologize if this is the wrong place to ask, but it looks like the Gadget StackExchange has been closed. I've been doing research on mobile phones and looking at different Android devices and I'm a ...
NT3RP's user avatar
  • 527
2 votes
1 answer
924 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
2 votes
2 answers
5k views

Samsung Galaxy S6 on Verizon - capable of simultaneous voice and LTE w/o having to use VoLTE?

Does the Samsung Galaxy S6 on Verizon support using 4G LTE data while on a voice call without having to use VoLTE mode? It seems like a lot of newer phones don't support this. VoLTE might be fine if ...
g491's user avatar
  • 345
2 votes
1 answer
312 views

my phone hit a pavement and 3g/4g stopped working. next step?

As I was cycling, my htc rezound fell on the pavement. The battery popped out. There are few scratches but no visible damage. I start the phone and it's fine as long as I don't use data. Once I use ...
kirill_igum's user avatar
2 votes
1 answer
189 views

What can I expect from the "Pure Google" Nexus S 4G?

Sprint recently announced that they are going to sell the Nexus S, and that it will be "Pure Google", implying that there will not be any additional carrier fluff on the device. I am considering ...
Jeff's user avatar
  • 205
2 votes
1 answer
214 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
2 votes
3 answers
6k views

Cellular Network Setting Won't allow to select preferred network type to LTE

Android is not letting me select preferred network type to LTE for my 4G SIM, because I have selected the other SIM for data. The thing is, it only lets you select LTE as preferred network for a SIM ...
Shanks's user avatar
  • 143
2 votes
2 answers
10k views

"Unfortunately, the process com.android.phone has stopped" error

"Unfortunately, the process com.android.phone has stopped" error occurs when i try to change my network mode to LTE only. The phone i'm using is Samsung J5(SM-J500H).
Nand gopal's user avatar
2 votes
2 answers
649 views

Can I restrict Nexus 7 2013 LTE to 2G/3G, instead of just 2G?

In the settings on Google Nexus 7 2013 LTE, there is an option to restrict the device to 2G networks for better battery life, which makes it use 2.75G GSM EDGE. Why is there no option to do the same ...
cnst's user avatar
  • 859
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
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
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
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
2 answers
238 views

Does LTE require a special modem from WiMAX or just a firmware upgrade?

Sprint has talks of starting LTE data, but for now all their 4g phones support WiMAX. I am considering starting a sprint unlimited contract with the EVO 3D phone. The phone supports WiMAX 4g, on a ...
Razor Storm's user avatar
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
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
1 vote
1 answer
22k views

What differences are there for an "international version" phone? (Galaxy 4s)

I want to buy a Galaxy S4 without a new contract, and I noticed that the "international version" is slightly cheaper. Are there any cons to owning the international version in the US? For software/...
Bort's user avatar
  • 999
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
1 answer
379 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
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 ...
productiveuser's user avatar