A cellular network or mobile network is a radio network distributed over land areas called cells, each served by at least one fixed-location transceiver, known as a cell site or base station. In a cellular network, each cell uses a different set of frequencies from neighboring cells, to avoid ...
7
votes
0answers
277 views
Network Connectivity in GSM/WCDMA mode
I am using a Samsung Galaxy S Duos S7562 with Android 4.0. Whenever I disconnect a call, the network vanishes for a few seconds when the phone is in GSM/CDMA auto mode. The network is fine in GSM only ...
5
votes
1answer
42k views
What is the difference between GSM and WCDMA when switching to manual Network Mode?
I was reading this answer and I need to comprehend this better:
What is the technical difference between "selecting GSM" and "selecting WCDMA" in Network Mode settings menu? To save battery life, I'm ...
5
votes
1answer
3k views
Unable to enable Mobile Network settings (options greyed out). Is there any way to restore lost mobile connectivity data?
I have a HTC Desire HD that up until recently has been running well with a custom ROM. For some reason, the phone started to "misbehave" in a number of ways after about 10 months of painless ...
4
votes
2answers
4k views
Why doesn't my SIM card does allow a connection to this network?
In Android 2.2 from a HTC Desire Z I am frequently finding my phone disconnected from my mobile provider.
When I select my provider from the Settings -> Wireless & networks -> Mobile networks -> ...
3
votes
1answer
163 views
is AT&T network possible on the Droid a855?
Is it possible to use AT&Ts network on the Droid a855? At all possible? Tough to find a direct answer on the web for some reason.
Thanks!
3
votes
3answers
1k views
data packet automatically activated on gingerbread 2.3.6
I just upgraded my samsung galaxy SL to gingerbread 2.3.6
After that, everytime my data packet is automatically activated all the time.
I switch off my mobile network data and lock my phone, and then ...
2
votes
1answer
902 views
What are the technical differences between 1X and 3G on Verizon's network?
My Android device (on Verizon) will sometimes display 3G in the status area, and sometimes display 1X. What do these indicate, and what is the difference?
2
votes
2answers
135 views
Some app keeps turning on mobile data
There is some app that turns on mobile data. I turn it off but on sleep or power up it is back on. It is very annoying and potentially costly since I do not have a data plan. (this seems like an ...
2
votes
1answer
3k views
Mobile network turns on by itself after Android 4.0.3. update
I'm having HTC Sensation and I use wi-fi on a regular basis instead of mobile network (bad data plan). For the old Android version there was no problem, I just switched of background syncing and set ...
1
vote
1answer
553 views
Will the HTC Thunderbolt be able to use AT&T's network?
I'm speaking from a hardware perspective. It supports the 850 and 1900 network bands that AT&T uses, but will it work? The phone is amazing, absolutely destroys the Inspire 4G (which is a complete ...
1
vote
1answer
487 views
Can't connect to phone network, banned?
I need a sanity check here. I was sitting on the train listening to music over 3G, and we went in to a tunnel. Lost the signal, tried to reconnect and couldn't. Now I can't connect to my phone service ...
1
vote
1answer
111 views
How to block my mobile provider from showing their ads?
Whenever I use apps that have banner ads (I guess that thing is called AdMob?), I get ads from my mobile service provider. This happens only when I connect using the mobile data.
I don't have ...
1
vote
2answers
757 views
Mobile Network goes off often in my Galaxy s2
I am using Galaxy s2 since 5 months. I have started facing Network problems recently. The mobile network goes off often and it resumes most times by itself.. but sometimes I need to restart my phone ...
1
vote
2answers
2k views
Phone won't connect to mobile network
As of yesterday my phone was okay as I know I had a missed call and checked it on voicemail, but today I noticed that it is showing no signal when there should be one.
The last thing I know I did was ...
1
vote
1answer
75 views
Configure Android for ONLY IPv6 on T-Mobile
I figured out how to configure a dual-stack IPv4/IPv6 "Access Point" for T-Mobile connectivity on my Samsung Galaxy Nexus, with stock Android 4.2.2. For some reason, when I visit ...
1
vote
1answer
983 views
Which modem firmware for Samsung Galaxy S (GT-I9000) works best with the mobile networks in Russia?
Trying to use a Samsung Galaxy S device coming from China or Korea in Russia lead to the observation that the quality of the connection to the mobile network is much worse than on Samsung Galaxy S we ...
1
vote
0answers
88 views
Enable Location Services via Remote Control
I always disable (Google) Location Services on my phone because they are always drain a lot battery (probably because my mobile Internet is very slow). But in case I loose my phone there I can't use ...
1
vote
0answers
568 views
Losing network operator on Samsung Galaxy SIII mini
For some time now (I think it's from the latest Android update) I have this problem,
that time to time (on daily basis) people can not reach me, like I would lose connection to the Network.
I get an ...
1
vote
1answer
573 views
No Service on Galaxy SL GT I9003
I have a Samsung Galaxy SL running Android 2.3.6.
I bought a new battery and it was working perfectly until I put on recharge. Immidiately after I put it for recharge, it started showing "No ...
1
vote
0answers
193 views
Losing network connections when using GPS
I'm having the same kind of problem as described in these threads, using a rooted HTC One S with Dark Jelly S rom:
Thread on XDA-Developers
Thead on CyanogenMod Forum
When activating GPS while using ...
1
vote
0answers
958 views
Samsung Galaxy S3 “Not registered on network”
It had stock 4.0.4 -> could call.
I've flashed FoxHound ROM -> after a while, when I try calling, it says "Not registered on network" .
Tried GalaxSim, but everything looks ok.
Restored back to ...
1
vote
0answers
733 views
My Google Nexus S won't connect to network
I have a problem with my Google Nexus S. Yesterday I was out in the city and my battery meanwhile died and the phone shutdown. The next day when I charged the phone, I noticed that it is showing no ...
1
vote
1answer
737 views
Samsung Galaxy Nexus 4.1.2 Unable to connect to mobile network
I recently purchased the handset from the US and currently using it in Vodafone (India) . I upgraded the firmware to 4.1.2 it was working fine and then all of a sudden I am not able to connect to any ...
1
vote
0answers
391 views
Android 4.0 - cannot set preferred network type
I want to change the preferred network type from the current setting of 'unknown'. I go into the tablet using the *#....access and it lets me see all the various info sections. When i go into Tablet ...
1
vote
1answer
228 views
Problems connecting to IMAP email account on 3G/4G
Ever since I got the JRO03O OTA from Verizon on my Galaxy Nexus, I've been having problems retrieving email over a 3G/4G connection. After the sync times out (I assume it times out, because it takes ...
1
vote
0answers
508 views
Galaxy S Advance Network Issues
I recently bought a Galaxy S Advance GT-I9070. Its not even a week since I've bought the phone. When this phone goes into an area with low or no network coverage it loses coverage and never regains ...
1
vote
2answers
759 views
No network after installing CM7 on Xperia Arc
After successfully installing CM7 on Xperia arc by following the steps here, my phone doesn't pick up any network. I looked through the forums and see that some people have reported the same problem. ...
0
votes
1answer
1k views
Is there a way I can use a Galaxy Note on Virgin Mobile?
I want to know if it is possible to use a Samsung Galaxy Note on Virgin Mobile's network. If so how would I go about setting it up? Virgin doesn't currently offer the Note, so I can't just buy it ...
0
votes
1answer
223 views
Mobile network not displayed after I rooted my samsung galaxy 10.1 tablet
I have a Samsung galaxy 10.1 tablet (GT-P7500) with android version 3.1.
I upgraded the android to 4.0.4 (the latest one available). It was rooted but I guess I've modified something since it ...
0
votes
1answer
407 views
To enable mobile broadband in ZTE Light
My Sim -card works in a HTC smartphone out of the box. So the problem must be in the ZTE Light -tablet. I can call with the tablet, but not surf the internet. I get Web page not available when trying ...
0
votes
1answer
3k views
My Samsung Galaxy S2 keeps saying not registered on network when I try to phone
My Samsung Galaxy S2 keeps saying not registered on network when I try to phone also a no entry sign where the signal bars should be keeps randomly appearing.
Does anyone know how to fix it or whats ...
0
votes
1answer
75 views
Network problems with Samsung Galaxy Young (S6312)
I'm having a network problem with my Samsung Galaxy Young (S6312) device. Sometimes while trying to make a call, even though the signal indicator shows 2 or 3 bars, the device displays a message like ...
0
votes
0answers
68 views
my samsung galaxy w doesn't register on 2g network
I've tried factory reset and manual search but no solution for the problem
it works on
i have flashed this rom:
I8150JPLM7_I8150OJPLM4_I8150XXLMB,
and no solution.
0
votes
0answers
151 views
SGS2 I9100 Suddenly relocked itself (network)
I was just using my phone, when the network dropped out completely. I rebooted, but it just wouldn't connect.
When I toggled airplane mode, it asked me for my network unlock pin (my device is ...
