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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26
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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 ...
9
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2answers
348 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 ...
8
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3answers
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 ...
6
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2answers
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? ...
6
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1answer
611 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 ...
4
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3answers
8k 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 ...
4
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1answer
4k 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 ...
4
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1answer
2k 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 ...
4
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0answers
143 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
546 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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3answers
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 ...
3
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2answers
2k 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?
3
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1answer
856 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 ...
3
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2answers
678 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 ...
3
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2answers
10k 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 ...
3
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2answers
276 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, ...
2
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2answers
3k 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 ...
2
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2answers
10k views

Can I use an unlocked T-Mobile Galaxy S5 on AT&T? [closed]

I made the unfortunate mistake of buying a Galaxy S5 through AT&T and was rewarded with a locked bootloader and no fun whatsoever for any reason ever. As a remedy, I've considered purchasing a ...
2
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1answer
279 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 ...
2
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1answer
179 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 ...
2
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1answer
2k 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 ...
2
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2answers
547 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 ...
2
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0answers
160 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 ...
1
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2answers
210 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 ...
1
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1answer
76 views

Can 4G be used on a 3G phone if 4G bands are supported?

I have a 3G phone but it supports the 4G band (1800 MHz) which is available in my area. Is there any way I can enable my phone to support 4G? I went to *#*#4636#*#*, and there is an LTE option, but I ...
1
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1answer
5k 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 ...
1
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1answer
136 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 ...
1
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2answers
2k views

Does Alcatel One Touch Idol 3 show which LTE Band is used (e.g. 12)?

I'm a T-Mobile US customer, and I'm quite interested in getting a phone with Band 12 support, and one that'll actually let me have a better understanding of the network and whether I'm receiving the ...
1
vote
1answer
18k views

Can I increase signal strength on my Samsung Galaxy s4 active?

I recently purchased a used Samsung Galaxy S4 that used to be on AT&T, but it has been unlocked, or something so that I can now use it on Koodo (canadian carrier). The signal is very weak. It's ...
1
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1answer
197 views

How can I disable 4G LTE on stock samsung (SGS3) or CyanogenMod?

My carrier, Sprint, has a lot of weak 4G coverage. In areas where I only have one 4G bar, the internet doesn't work. Every connection times out. However, these areas often have moderate-to-strong ...
1
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1answer
1k views

Do external booster antennas help with 4G reception?

I have a Sprint HTC-EVO 4G. Today it's snowing, I'm in a downtown high-rise, and I'm only getting 3G. Would a booster antenna help (either now, or in general)?
1
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1answer
832 views

Is it possible to enable 4G/LTE band 40 in Nexus 5 D820?

I have a LG Nexus 5 D820 model purchased in USA. Now I am in Chennai, India on Airtel network. As I understand Indian LTE/4G bands are 3 and 40 and unlucky me my service provider Airtel seems to be in ...
1
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1answer
44 views

Will disabling LTE extend my battery life even if I'm not using it?

I was just wondering, if disabling LTE will improve my battery life even if I'm never using it (there's no LTE in my country).
1
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0answers
44 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 ...
1
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2answers
97 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 ...
1
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0answers
394 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 ...
1
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1answer
119 views

None, or choppy, 3G/LTE data transfer with T-Mobile US on international HTC One M8

I have an international HTC One M8, and an off-contract plan with T-Mobile (highest priced, unlimited LTE). If I go into settings and set mobile data to only use 2G, everything works reliably. With ...
1
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2answers
876 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 ...
1
vote
1answer
199 views

Connect to a device with WiFi, but use 4G for Internet [duplicate]

As the title states, is there a way to connect to a WiFi device (my drone), yet use another app on 4G? Right now when I'm connected to my drone using WiFi, I can't use 4G, but is there a work around? ...
1
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2answers
8k 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: ...
1
vote
0answers
28 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 ...
1
vote
1answer
438 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 ...
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2answers
2k views

Enable LTE on Google Nexus 7 (2013) LTE tablet

I have a brand new Google Nexus 7 (2013) LTE tablet and failed or enabling LTE on it. I had two cards (microSIM for Nexus and nanoSIM for iPad Mini) from the very same LTE-enabled local (Poland) ...
0
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1answer
66 views

Does excellent 4G coverage imply excellent 3G coverage? [closed]

Is the primary benefit of 4G LTE speed, and not signal strength? I want to sign up on T-Mobile with a Moto E, which is not an LTE enabled phone. Of course 3G is passe, so 3G coverage isn't clearly ...
0
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2answers
38 views

Does switching my phone from 3G to LTE only matter if I use mobile data?

I have a Xiaomi Redmi Note 3 Pro with Android 5.1.1 and MIUI 7.3.2.0. In my settings I have the option to choose a network type. The options are "2G", "Prefer 3G", and "Prefer LTE". I only use WiFi to ...
0
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1answer
166 views

Enabling LTE on Nexus 4

There seems to be various sources on the Internet on how this can be achieved. A Modem Flashing version that required a rooted phone and a code dialed on the phone. Can someone tell me which of these ...
0
votes
1answer
36 views

Does CyanogenMod Xperia Z3 Dual support LTE on any SIMs?

Wiki does not really say word about that: https://wiki.cyanogenmod.org/w/Z3dual_Info Stock image does support it. If it doesn't, then what is current progress in context of dual sim?
0
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1answer
1k views

Will my new Xiaomi RedMi Note 2 prime work for LTE network?

I just bought this smartphone, and I am confused if it will work in my area and if it will work for 4G and LTE. I called the support of T-Mobile, and they said if it configured correctlly, it will ...
0
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1answer
489 views

3G/4G not working in Samsung galaxy S3 SGH-I747M

My 3G and 4G is not working on SAMSUNG SGH-I747M. It's an AT&T version of S3 so according to specifications it must support both. Can anyone tell what should I modify in order to get it working?
0
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1answer
227 views

Is my phone using LTE if the notification area says 4G?

When I bought my Galaxy S5, it came with Android 4.4.2. When I was connected to my mobile data network, the notification area had a little icon that said "LTE" above to arrows showing data being ...