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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5
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5answers
41k views

THL W3 with v4.0.4 - periodically getting “Restricted Access Changed” and losing all SIM services

What happens exactly: when I use my SIM's data connection, after 1-5 minutes of operation (be it while the phone is active or locked), I get a notification "Restricted Access Changed", losing all SIM ...
0
votes
0answers
464 views

Samsung Galaxy S3 losing 3G connection

I have a Samsung Galaxy S3 and once or twice a day I keep losing the 3G connection completely (Not even H+ / H-) and when I restart the phone, it works fine again. I have tried to take out the sim ...
0
votes
0answers
735 views

Sharing/tethering 3G connection between Android devices

Is it possible to share 3G connection between two Android devices, a smartphone with 3G and a tablet with only wi-fi, for me to access the web with the tablet anywhere? I have a Sony Xperia X8 with ...
0
votes
1answer
3k views

How to check if there is a 3G software / hardware issue with phone?

I have HTC One X running Android 4.1.1 and Sense4+. Lately my 3G service has gone pretty bad. I contacted my telecom operator but there customer service representatives aren't much help. My GPRS works ...
2
votes
2answers
5k views

How to limit bandwidth usage

Can anyone suggest a suitable way to limit internet bandwidth? I am using 3G mobile data. I know how to limit the maximum data usage but I need to control the bandwidth so that my mobile data ...
2
votes
1answer
613 views

Outlook.com app cannot be used with data/3G

I have been using the the Hotmail app to check my emails. Recently I downloaded the Outlook.com app since it is advertised for better performance and I preferred it's layout over the Hotmail app. It ...
2
votes
3answers
366 views

Does Nexus 7 2013 have 3G support?

Nexus 7 2013 has 4G support, but I can't find any information on 3G support. If I get a Nexus 7 4G model, can I use 3G?
2
votes
2answers
19k 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
990 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
31k 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
759 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
22k 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
150 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, ...
2
votes
2answers
7k 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
514 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
623 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
9k 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
8k 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
41k 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
332 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
360 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
23k 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
813 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
300 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 ...
11
votes
2answers
20k 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 ...
23
votes
2answers
5k 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
693 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 ...
19
votes
2answers
42k 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
837 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
8k 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
14k 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
576 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
260 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
199 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
176 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
177 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 ...