No 3G signal in my custom rom. - Galaxy 3 General

Hello guys I am from chennai. I used to have 3G signal signal in my ecliars and official xxjp2 rom. But in the custom rom I am not getting any 3G symbol at all. And no data network connection.

vimalaug07 said:
Hello guys I am from chennai. I used to have 3G signal signal in my ecliars and official xxjp2 rom. But in the custom rom I am not getting any 3G symbol at all. And no data network connection.
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Man, probably u dint edit ur apn settings.. :-/
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How to edit my apn settings to get 3G back. Help will be very much appreciated.
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vimalaug07 said:
How to edit my apn settings to get 3G back. Help will be very much appreciated.
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Menu > Settings > Wireless & network > mobile networks > access point names > new
edit ur apn in 2nd row.. Give a name in 1st row..
To know whats ur apn contact ur customer care.. or tell me ur service provider name.. I can help u, if I knw it..
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Mine is Aircel cellular limited
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you can get apn settings on line from the website
takes 2mins and 3g will be back on your phone

vimalaug07 said:
Mine is Aircel cellular limited
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I think it is "aircelweb" .. :-/
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Related

Internet not working

hey guys, i have a motorola atrix locked for at&t but im using it with a sim unlocker..i can make calls and sms everything is working great..but there is a problem..i can use data connection..when i put my APM settings and try to save it disapear..the problem is with the MMC THING IN THE APN CONFIGURATION..my operator MMC is 415 but the one i see in the configuration is 001 ..WHEN I CHANGE THE 001 TO 415 AND AND CLICK SAVE THE APN CONFIGURATION DISAPEAR..How can u fix it guys?? plzz help..thankk uu
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sorry i wanted to say i cant use data connectiion..no internet
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Is the data enabled? Go into mobile networks and make sure its checked on. Are you using at&t?
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yeah man its enabled..the mobile is locked for at&t buy im running it with a sim unlocker..like the GIVEY for iphone
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Make sure the network your using supports the same bands the atrix uses
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man im using a turbo sim with my sim card..everything is working calls and texting ..but no internet bcoz i cant creat an APN SRTTINGS .. check the pic in early post u see MMC 01 & MNC 01.. here in my country to make internet work u must change mmc from 01 to 415....when i do that and click save the whole configuration disapear like it never existed..
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Dirtyguyy said:
man im using a turbo sim with my sim card..everything is working calls and texting ..but no internet bcoz i cant creat an APN SRTTINGS .. check the pic in early post u see MMC 01 & MNC 01.. here in my country to make internet work u must change mmc from 01 to 415....when i do that and click save the whole configuration disapear like it never existed..
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Hmm.. I tried altering my apns mmc number and it deleted the apn on me and I lost data. I had to reset defaults. Have you tried an app like apn global to configure the setup?
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[Q] No 3G signal

So I just got my Note 3 SM N900 a few weeks ago. However the signal received was very weak, so I used Odin to flash a new modem (DXUBMI1, as demonstrated in this thread http://forum.xda-developers.com/showthread.php?t=2475714).
After flashing, the voice call and SMS were more stable, I constantly got -51dbm in signal strength. Yet in terms of network connection I could only connect via EDGE (2G). When rebooting, the phone could connect to HSDPA (3G) initially, but after a while, it drops 3G and turns to 2G again, hence I believe the problem is not with the service provider.
Please see the screenshots for more details. My questions are: how do I improve connectivity and are there any other better modem base band to flash on my Note 3 (I bought the phone and currently live in Vietnam).
Appreciate your help. Thanks.
Just edit out your IMEI Number from that screen shot first - keep that number to yourself always.
Do you have a case on the phone? Or a bumper?
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Try this go to settings > more networks > mobile network > then change network mode to WCDMA only then reboot your phone.
Hope it helps
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radicalisto said:
Just edit out your IMEI Number from that screen shot first - keep that number to yourself always.
Do you have a case on the phone? Or a bumper?
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Thanks. I use an S-View case on my phone (the flip cover one).
Dahdoul said:
Try this go to settings > more networks > mobile network > then change network mode to WCDMA only then reboot your phone.
Hope it helps
Sent from my SM-N9005 using Tapatalk
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I forced it to WCDMA only and got 3G for a while...then the signal just went out altogether. The phone signal only came back after I switched back to WCDMA/EDGE auto select.
Is there any chance this problem is hardware related?
It is possible that it is hardware yes. However. . For some bizarre reason it may be the case.. take it off and see how it performs then you can reassess
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radicalisto said:
It is possible that it is hardware yes. However. . For some bizarre reason it may be the case.. take it off and see how it performs then you can reassess
Sent from my SM-N9005 using XDA Premium 4 mobile app
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Tried taking off the case and the problem still doesn't resolve...I have it swapped for a new one. Thank you though.
bqduy said:
Tried taking off the case and the problem still doesn't resolve...I have it swapped for a new one. Thank you though.
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Glad you got sorted. :good:
Dahdoul said:
Try this go to settings > more networks > mobile network > then change network mode to WCDMA only then reboot your phone.
Hope it helps
Sent from my SM-N9005 using Tapatalk
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Wow thanks! Sorry for the late reply, but i was having the same issue as OP and I had my settings for GSM only and was only getting EDGE, changed the network mode and I am now getting H+ Thank you!!!
I have note3 n900 imei null/null and unknown baseband
I flashed it n900xxudnc1 4.4.2 now every thing is ok but network not working
I flash the modem file in cp by odin 3.09 after flash modem inein going null and baseband unknown
Plz give any solution and working modem file plz thanks in advance
Sent from my SM-G900F using XDA Free mobile app

[Q] Galaxy S4 I9500 weak signal

Firstly i live in Kosovo (small country in Eastern Europe) and i use IPKO Mobitel sim card.
I am having a very weak signal on my Octa variant , i did root it in the past and changed the firmwares 2-3 times and flashed CM11 but after coming to stock non-rooted 4.3 i am having poor signal always 1 bar and sometimes even 0 when im at my home. I tried flashing different modems but still same no loss or gain..
http://i.imgur.com/D6IEVFu.png
Any help ? Which modem do you guys recommend ?
Thanks.
You on 2g or 3g?
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maxsam4 said:
You on 2g or 3g?
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2G
stratzeH' said:
2G
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Go to Settings>More Networks>Mobile networks>Network mode and change it to gsm only. if it doesn't help then change it to wcdma only and if even that doesn't work then change to auto connect and get a new connection from a better company
Note: It takes some time to switch network mode so be patient and give it a minute or two to properly shift.
Seeing improvements after doing what you told.
Thanks alot.
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stratzeH' said:
Seeing improvements after doing what you told.
Thanks alot.
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Hit the thanks button if you appreciate my post -_-
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hey
arber95 said:
Seeing improvements after doing what you told.
Thanks alot.
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how did u get this screen?

My galaxy s4 won't connect after custom ROM

My galaxy s4 lte us cellular version (sch r970) won't connect to the internet ams idk why.. It gets signal.. I went back to stock and its still doing the same thing
rileyfallan said:
My galaxy s4 lte us cellular version (sch r970) won't connect to the internet ams idk why.. It gets signal.. I went back to stock and its still doing the same thing
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Is it configured correctly? (Proper apn are present?)
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I couldn't find the APN settings
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Also it won't make phone calls
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rileyfallan said:
Also it won't make phone calls
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Here are a few things you can do.
Restart your phone.
Call customer support of ur cellular company.
Flash the stock rom using odin.
Don't hesitate to hit the thanks button
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maxsam4 said:
Here are a few things you can do.
Restart your phone.
Call customer support of ur cellular company.
Flash the stock rom using odin.
Don't hesitate to hit the thanks button
Sent from my GT-I9500 using XDA Premium 4 mobile app
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rileyfallan said:
My galaxy s4 lte us cellular version (sch r970) won't connect to the internet ams idk why.. It gets signal.. I went back to stock and its still doing the same thing
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As you said that you have flashed a custom ROM and now on stock rom,
Check whether you still have the IMEI #.
Also try insterting the Sim card on another device to check if Sim working, if working then try doing a factory reset.
Also once factory reset done as go in Setting-More Networks-Mobile Networks-Access points-Reset to default.
Try the above steps and let me know if problem still persists.
Dont forget to click the Thank button:good:

Unable to use 2g/3g on roaming

I just can't get my 2g working on roaming. Some help here please! I've tried all the APN settings, no use.
Is this an issue with all the ROMS.?? I do not wish to go back to stock but I travel a lot and can't do without the data on roaming.
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plokhande said:
I just can't get my 2g working on roaming. Some help here please! I've tried all the APN settings, no use.
Is this an issue with all the ROMS.?? I do not wish to go back to stock but I travel a lot and can't do without the data on roaming.
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Sent from my GT-I9300I using XDA Free mobile app
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Which rom are you using? I don't have this problem on stock but i haven't tried any custom rom on roaming.
Sorry for not having mentioned before. My phone is rooted and runs on RR. Resurrection ROM. I've tried using other custom roms too. The same issue persists. I don't want to go back to stock.
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Do you have roaming plan? Are you sure the problem persist only in aosp roms? What about the roaming operators? Please, explain in detail.
Regards
Do have the roaming plan active
MoHuToP said:
Do you have roaming plan? Are you sure the problem persist only in aosp roms? What about the roaming operators? Please, explain in detail.
Regards
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Click to collapse
I have the roaming plan active. Even tried my sim on a friend's cell phone and it works perfect. Yes, I have used AOSP Roms only. Have not tried different roaming operators though, because had just my sim. Trying out different apn settings too.
Try this patch - http://forum.xda-developers.com/showthread.php?t=2394689

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