M440s No Network - Galaxy S III Q&A, Help & Troubleshooting

hi friends i have a M440s Galaxy S3 SK Telecom and i have a problem i buyed this phone to my friend and my friend was use this phone about 1 mounth and i think he was update phone because phone was 4.1.1 i flashed phone to 4.0.4 still no network i tryed to root and firmware and still no network please help me i don't know what can i do i have spt box and z3x box thanks a lot

alikaplan said:
hi friends i have a M440s Galaxy S3 SK Telecom and i have a problem i buyed this phone to my friend and my friend was use this phone about 1 mounth and i think he was update phone because phone was 4.1.1 i flashed phone to 4.0.4 still no network i tryed to root and firmware and still no network please help me i don't know what can i do i have spt box and z3x box thanks a lot
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anybody can help me ?

http://forum.xda-developers.com/showthread.php?t=1710084
jje

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Yesterday , my brother , so stupid , flashed my SWH-M290K with GT-S5660's rom and many errors happen : no service (mobile network) , no wifi , no bluetooth and more . I flashed it back to stock 2.3.4 Korea rom and everthings is fixed but still no mobile network . Can anypeople help me to fix this problem . The SHW-M290K is my aunt's gift . many thankxxxxxxxxxxx
somebody help me fix this problem plz
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The device still got correct imei numbers?
an0nym0us_ said:
The device still got correct imei numbers?
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My phone is Korean version , there's no imei number on my device , only S/N
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IMEI Problem!

Hey there!
I bought a chines phone samsung galaxy s2 clone mtk6573.
I tried to update to jellybean and i went wrong, now it says 'invalid IMEI number'.
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samsung galaxy imie fake help

am from uk and i bought my Samsung of a friend the Samsung was locked to 1 network at the time and i needed it to work on vodafone prepaid uk
so i changed the firmware from what ever it was to gingerbread and it worked , it worked for 8 mouths and now it gave me emergency calls only message 1 day ago and now i se that my imei is 004999010640000 i believe its fake and i dont have a backup so what options do i have to make it work again please provide link to the exact rom or what ever i need please am new.
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i have odin and i just need the correct firmware 1 of your staffs mention i need a stock firmware i tried it didnt help maybe i need your advise and help in this allot guys please.
i need my vodafone prepaid uk working again what ever i do imei stays to 004999010640000 do i need to try all type csc or just specific type
am on version 2.3.6 please help am begging
take a look at this guide, it may help.
[GUIDE] Recover your IMEI in 9 steps
ok just for the info i just added the sim card in now again and did master resset after 24hours and vodafone uk is reconized but i checked the imie still 004999010640000 and i know if i restart the phone my network wont be reconized and it will give emergency call message again please help
Did you even bother to read the guide above???
Sent from my GT-I9100

[Q] [q] help me please

Hello everybody
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I hope to get all help from everyone
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S6 edge big problem !

Hello everybody !
I bought a Galaxy S6 Edge Model SM-G925F with Android version 5.0.1 ... everything is awesome but after 3 months the network deosn't work " EMERGENCY CALLS ONLY " i tried to fix the problem with adjust network settings but this is not the solution. i flashed the phone to Android 5.1.1 but no result,i found the IMEI in the Software isn't the same at the back of the phone. A friend tells me if i can root the phone and write the correct IMEI ... but i really need an opinion or solution of a professional here !
Model SM-G925F
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may try a other SIM card first..?!!
Alex-V said:
may try a other SIM card first..?!!
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I tried an other SIM card, it's the first thing i did
Where did you buy it as stolen or lost phones are soon blocked once reported and all you have is an expensive paperweight
phone info sumsung
install phone info sumsung software you well get all the detail even if it original genuine piece or not it may help you to find reason of this headache

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