Short for "3rd generation mobile telecommunications", 3G generically refers to a set of standards for mobile phones and mobile telecommunications services. Often used when referring to a 3G mobile data connection.

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2
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2answers
16k views

Whatsapp doesn't work over 3G,everything else works fine

A friend has a factory fresh, unrooted Samsung Galaxy S Duos, and except for Whatsapp every other internet accessing app works fine on a 3G or EDGE connection. She has un/reinstalled Whatsapp several ...
0
votes
3answers
2k views

How to stop getting internet through the prepaid card and use only my home wifi?

I bought a 3G prepaid card that offers internet, but I want to stop getting Internet through the card and use WiFi to connect to his home router or certain WiFi networks of choice. I know how to ...
0
votes
1answer
951 views

Huawei Ascend G300 (U6615) not using Three network

I bought an ex-Vodaphone Huawei G300, and was happy to find that it was unlocked - I put in my Giffgaff SIM, and immediately had phone and internet access. However, I really want to use the phone on ...
11
votes
3answers
27k views

2G versus 3G: Does it really save battery?

I often hear the recommendation that fixing your device to 2G saves a lot of juice compared to using 3G. Is that true? Or is it really a myth?
1
vote
2answers
677 views

3G Connection Problem

I have try to share my Samsung note 10.1 (Model Number : GT-N8000) portable hotspot last night but it fail. After that, i cannot access to internet via data network mode(the 3G/H+ sign disappear next ...
3
votes
2answers
19k views

Simple way to toggle between 2G and 3G connection

TL;DR Usually, I have my device locked to "2G only" for multiple reasons: saving battery-life no need for "high-speed" to simply be informed about new mail or doing the little contacts/calendar ...
1
vote
1answer
4k views

How to use an USB 3G modem data connection with an Android phone (Galaxy Nexus)?

I own a Galaxy Nexus phone and i'd like to know if there is a way i can use an USB dongle to provide it with an Internet connection. I imagine I will need some kind of adapter (and some Google ...
0
votes
1answer
147 views

Why is internet switched off when switching 2G/3G?

I have a stock Android 4.2.2 on Galaxy Nexus, so I think this can be related to all Android phones. When switching from 2G to 3G and vice versa internet connection is switched off for a few seconds, ...
1
vote
2answers
6k views

How can I send service commands from my Nexus 7?

I have a Nexus 7 3G and I often need to send network service commands (e.g., to use top-up codes or to activate/de-activate data-plans), but can't find a way to do it from the tablet. Instead I'm ...
0
votes
1answer
483 views

Block H+ (3.5G) but not H (3G), possible?

Is there any way to block only H+ (3.5G) and still have H (3G)? I use Android 4.2.1 CM10 Galaxy Nexus. I want to do this because 3.5G signal in buildings is poor (1 bar), but 2G (which signal is ...
2
votes
0answers
575 views

Issues making or receiving calls and texts with a LG P500 (Software Version V20e)?

I just got a LG P-500 device and I want to deploy with it. Everything is working fine, except that I cant make phone calls, receive phone calls, send SMS or receive SMS. The phone is on its stock ROM ...
-1
votes
1answer
8k views

How to make 3G Video Calls? [duplicate]

Possible Duplicate: How can I make a 3G-324M video call? Before people start telling me to use Skype or GTalk, let me make it clear: 3G Video Call is a native value-added-service for video ...
5
votes
2answers
7k views

Analyzing packets in android

I want to analyze packets on my rooted Android mobile phone. What I did so far: I have installed shark for root and shark reader. I tried to sniff packets, but shark reader only shows RAW packet. ...
7
votes
2answers
33k views

Allow only specific apps to use cell data, only when on 3G

I use Tasker to sync every 30 mins when on 3G. I'm on a limited data plan, and the only apps I use constantly are browser, a Twitter app (Echofon) and Whatsapp. Is there a way to allow only these apps ...
0
votes
1answer
6k views

3G/Wi-Fi Vs Wi-Fi Only Enabled Android Tablets: Pros & Cons to the Consumer?

Having never owned an Android Tablet I am thinking of purchasing one at some point during 2013. From what I gather in terms of connectivity, they either come as: Wi-Fi Only 3G & Wi-Fi Is it ...
4
votes
1answer
2k views

Auto sync only when connected to a specific wifi network

I am getting rather low battery life when using auto-sync on 3G. I have wifi in college and at home, so I'm looking for a way to enable auto sync only when connected to those 2 specific wifi networks. ...
1
vote
1answer
3k views

HTC Desire HD unlocked, cannot connect to 3G

I recently bought an unlocked AT&T HTC Desire HD from an E-bay seller in India. I'm using a Tata Docomo Sim on the device. Although having subscribed to 3G data, I am not able to use it. Can ...
1
vote
0answers
300 views

Why does my app crash when I download it through 3G?

I have developed an application and published it on the Play Store. My problem is that when I download it from the Play Sore via 3G, the application crashes. However, when I download it via wifi it ...
2
votes
1answer
344 views

make website offline available and browse later without 3G connection

I have a Nexus 7 (wireless only) and no smart phone. How to make a web site offline (mirror) available that I later can read it without internet connection? example site ...
2
votes
3answers
21k views

Data Network mode doesn't get activated on gingerbread 2.3.4

This happened all of a sudden. I could not start the 3g on my phone. The Data Network mode is always deactivated now. Although, when I go to Settings > Wireless and network settings > Mobile network ...
3
votes
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?
2
votes
1answer
4k views

Android battery usage (3G, HSDPA and Edge)

In order to reduce battery usage I checked the Use only 2G networks from Settings > Wireless & networks > Mobile networks on my Android. Then I noticed the E icon appeared instead of H on ...
3
votes
1answer
732 views

Unable to connect to 3G after updating my software

I have a Sony Ericsson Xperia X10, and I updated the software to Gingerbread (Android 2.3.3), but I'm having problem connecting my mobile to 3G provided by my Network. When I go to settings and ...
8
votes
1answer
293 views

Will using a vpn also encrypt my 3G traffic?

Just wondering, because I've just set my phone up to forward wifi traffic through my DD-WRT router. But I've no way to verify if my 3G traffic is also going through my router. Does anyone know if 3G ...
10
votes
2answers
16k views

How do I connect to a wifi ap and 3g network simultaneously?

When I turn wifi on my 3g connection shuts down, which is fine in most cases however I need to connect to a LAN at work that is not connected to the internet and I'd prefer not to lose my data ...
21
votes
2answers
4k 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 ...
2
votes
0answers
164 views

asus transformer tf300tg - will this 3g work in uk/usa?

I'm looking to buy the 3G version of the transformer TF300, but due to its availability I'm buying it from Taiwan. I currently live in the UK but next year I move to the USA so I'm trying to figure ...
-1
votes
2answers
5k views

Wi-Fi and 3G connections auto enable after upgrade to ICS 4.0.3

Since I've upgraded to 4.0.3 my rooted Samsung Galaxy S2, Wi-Fi and/or 3G connections auto enable/disable. I've found a similar question asked here: Wi-fi is auto-enabling I'd be grateful if someone ...
0
votes
1answer
1k views

In Android Is it possible to access the physical layer of 2G/3G to transmit voice/data

I wanted to make an walkie talkie app in android, i know there are a lot of apps like these but they use the Wi-fi or they are just web services. But if we want to like transmit voice/data on 2G/3G ...
3
votes
1answer
612 views

Foreign phone, stuck on 2G

I am currently working on a Coolpad 8150, a Chinese phone running Android 2.3.7. It is connected to T-Mobile (in the United States) and can place calls successfully. However, it is stuck on 2G. I have ...
18
votes
2answers
33k views

What does “H” mean in the signal indicator? [duplicate]

I understand that the colour of the signal indicator tells me whether or not I've got a connection to Google servers or not, but what is the "H" that sometimes pops up? Usually my indicator says ...
8
votes
2answers
7k views

Does disabling 3G while having WiFi save battery?

If I have WiFi enabled and 3G data disabled, does it save any battery relative to having both WiFi and 3G enabled? With WiFi enabled, I didn't know if 3G enabled would make any difference since it ...
5
votes
1answer
2k views

Bluetooth 3G modem

I have a Nokia 6500S-1 which I previously used as a 3G modem (with Windows). Is it possible for an Android device to use this phone as a modem (just like the windows PC does), but expose the modem ...
4
votes
2answers
826 views

Enabling Wi-Fi disables 3G service (ZTE Warp running Shinjitsu 1.5b)

I just started using this ZTE Warp (on Boost Mobile) yesterday. I rooted and ROM'd it with Clockwork Mod and Shinjitsu 1.5b (1.5.1c and 1.5.1c-beta2 did not work, for some reason). Everything is ...
3
votes
1answer
7k views

How can I set Android Galaxy Ace to only use 3G network?

I am having a little bit of a hard time with my new android phone for the reason that it doesnt always connect to certain services (such as Angry Words, or Whatsapp). Sometimes I get the message ...
8
votes
2answers
3k views

How can I check which mobile frequencies my phone supports?

I received a Samsung Galaxy Nexus as a present (in Australia), however I'm not sure where it came from so I'm not sure what mobile frequency bands it supports. Is there a way to check which ...
3
votes
2answers
13k views

How can I force 3G only on the Nexus S after the ICS update?

In earlier versions of Android there was an option to toggle data between 2G, 3G preferred and 3G only. After the ICS 4.0.3 update for Nexus S, there is no option for "3G only". Did Google lock down ...
6
votes
1answer
559 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 ...
0
votes
2answers
3k views

How do Mobile Access Points work?

I have this data plan that gives unlimited mobile browsing. It only works with the browser, so http and https. If I tried to use the Maps or Youtube app, it won't connect. I enter the APN settings ...
2
votes
1answer
249 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 ...
11
votes
2answers
192 views

Milestone outperforming Galaxy Nexus on mobile data connection speed

I recently switched from a Motorola Milestone to a Samsung Galaxy Nexus, and it seems the quality of my mobile data connections drops considerably between the devices without any apparent reason. The ...
2
votes
1answer
171 views

Picture always appears on Facebook as “on line”

My picture is constantly being displayed as "on line" in Facebook even when I am not. I have completely uninstalled the Facebook app from my Droid 3 and all related apps yet my picture continues to ...
0
votes
1answer
174 views

Phone stops using 3G when Wifi hotspot nearby

I have a HTC Desire with the latest legit firmware. I have Wifi and 3G enabled, and it's usually fine; at home it connects to my (WPA2 protected) router, and when I go outside it switches to 3G. But ...
2
votes
1answer
2k views

How can I configure an unlocked HTC Sensation XE for 3g connectivity in USA?

I bought this phone in India and brought it home to USA. In India I had no issues in connecting to 3G network but after coming back to USA I am no longer able to connect to 3G network (AT&T). I ...
1
vote
1answer
1k views

Using an Archos 3G modem with an Acer Iconia tab (Android Honeycomb)

I've recently purchased an Acer Iconia tablet with Android 3.1. Then I adquired an Archos G9 3G USB modem, with the intention of having internet connection on my tablet when not around a wifi (90% of ...
0
votes
0answers
758 views

How do I turn off the cellular radio without disabling mobile data?

I know for some the title is a little contradicting, but here is what I am looking for: I would like to turn off calls and sms, and enable only mobile data (3g). Airplane mode is not good for this as ...
4
votes
2answers
3k views

3G Connection Not Working on Samsung Galaxy S2

I have a Galaxy S2 that for some reason does not work when it's connected to a 3G network(or at least I think it's connected, there's a '3G' symbol next to my signal meter). When I say it doesn't ...
0
votes
1answer
538 views

Some questions about Thinkpad Tablet

I need to purchase a tablet for on the move access to web, video, book reading etc. I am a Thinkpad fan so I would like to go for Lenovo Thinkpad. However I have some questions regarding it, which ...
0
votes
1answer
973 views

Use 3G connection on my Android in Ubuntu

I would like to use the 3G connection on my android with my Ubuntu. Is there any method to do so?
4
votes
1answer
1k views

How to monitor tethering bandwidth

Is there any way to monitor 3G tethering usage. ie excluding regular 3G bandwidth. (This is for a UK GiffGaff plan, where normal use is unlimited, but tethering charged per GB.)