3g not working - Samsung Galaxy Core

my 3g is not working... this problem come after rooting.. i rooted my device with supersu and remove the bloatware apps.. but then i realise afyer removing the apps my 3g gone...
when i select wcdma mode in galaxy core gt i8262... network goes and saying emergency calls only when i search and select networks manually... it says error while searching... i have installed stock firmware twice but nothing happen.. even in safe mode... plzzz help guyzz

plzz reply

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hi i am using a gt i9003 which i recently updated via kies.. the details are
pda i9003ddkp3
phone i9003ddkp4
csc i9003ddkpi
Post the update via kies my fone has gone crazy.. all my apps have disappeared... i tried reinstalling the apps from the market (i can use them immidiately after i hv dwnld them) but post a restart the apps disappear.
I have tried 'Factory Data Reset', Wiping Cache etc etc... but doesnot help
Can ne 1 suggest a way around the problem or shud i just head to the service centre
Same problem here
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[Q] Emergencey recovery failed due to network error

guys i am in big trouble, yesterday i was tried to update my galaxy S plus, but on the 3rd part of downloading its was stopped at 3%, so i remove USB cable and now when i tried to update its shows emergency recovery mode and due to network error its shows go to Samsung service center. but i don't want to go there so is their any other way to get working it back , plz help me ...
its shows this image....
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[Q] pls help me

So guys i got th\e samsung galaxy note 10.1 Gt-N8020 a year ago . it was bricked at first cause i tried to root n it went bad and i went to the samsung center n they solved the problem n gave me a new software so, i thought of getting it abit free so i started deleting evreything lol n the phone got a password on it that i didnt do... so i decided reseting it to factory settings from recovery mode ... but then after i rebooted it showed a screen just like the odin mode saying downloading pls wait ... so i downloaded it a firmware n tried to flash it on it but then it fails at hidden and now the recovery mode doesnt open n it shows the thing of firmware upgrade encountred an issue pls selct recovery mode in kies etc...
pls help me and if u want thefirmware i downloaded name it is
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tnx in advance guys

[Help post] I'm having problem with my Network on GT-P3100.

My Tab running Official JB 4.2.2.
I've flashed custom rom several times.
When I turn on my mobile data it shows 'No Service'.
And I lost network everytime..
if I turn on data during charging then this problem no longer appear.
Plz help me

Please help me out!

Hello, I have Samsung galaxy J7 (2016) Device with me. I am encountering an issue with my device. Its a 4g device. I use a jio sim in my device with a 4g connection. In the phone settings the network mode for the sim is LTE/3G/2G but whenever i reboot my device, my device starts showing emergency calls only and the network mode automatically changes to 3G/2G everytime. I have to change the network mode to LTE/3G/2G everytime manually in order to use the sim properly. I even tried a factory reset and re-flashed the stock rom but still the issue is persisting. I also tried using the sim on other devices but no one showed this issue. Can anyone please help me with the solution? I would be really gladful!
Please help me with the solution

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