[Q] Samsung Galaxy S3 LTE - Hidden meu/ service mode assitance - Galaxy S III Q&A, Help & Troubleshooting

I have tried the code *#197238640# but i keep receiving the message "conection problem or invalid MMI code" could any/all of you hep me with this problem.
GTi9305 4.3 I9305XXUEMK1 as far as a i am aware i am on stock

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[Q] Call divert/forwarding issue

Hi friends,
I am new here and this is my first post/question, i just got this droid dna from my friend, the problem is whenever i Try to divert my calls to anther mobile it says "connection problem or invalid MMI code" , i am from India , delhi. The connection i am using is airtel and inorder to divert the calls we have to key in **21*mobile number#
i have also tried putting (,) at the last but it did not help
You might need some details of my phone, following might be helpful to u
Android : 4.1.1
PRI Version : 2.44_002
PRL version : 00000
Eri version : 5
If you need any other details let me know
I am really not aware of technical things like root, kernel , etc, so u will assisting a dummy
Regards
Shadaab
i assume is **21* the only inter. code in INDIA?
You can use a Network Operator Short Code to forward calls or you can use instructions specific to your handset brand.
^^^ theres no device specfics isnt that feature a mobile carrier issue that your having???

[Q] [q] help me please

Hello everybody
I am a new member of this forum
I hope to get all help from everyone
I have a smart phone named SAMSUNG GALAXY S4 LTE-A SHV E330L
It ran on stock rom 4.3 (rooted). When I connected it to KIES, my phone informed : “ANDROID KITKAT 4.4.2”. I updaded online by kies, then I rooted successfully. However, after 2 days, my phone crashed suddenly. I checked IMEI which showed: null/null and it lost BASEBAND. Now my phone is locked, even that it does not receive sim card
I really hope to get all your help
Thanks for all

[Q] Samsung Galaxy Mega SPH - L600- invalid sim n nt sure if it needs 2 b unlocked

Hi,
My Samsung Galaxy Mega SPH - L600 is locked with SPRINT in the USA and i'm in INDIA and i tried to use the SIM card with a local service provider and the phone says INVALID SIM. i tried to take it to mobile stores here to unlock it but they were unable to do so. Could you please guide me on what the problem is ? is it network locked? or is it a hard locked? and will obtaining an unlock code help?
Could you please help me fix the problem. Any help would be appreciated.
Thanks!
Prathiksha said:
Hi,
My Samsung Galaxy Mega SPH - L600 is locked with SPRINT in the USA and i'm in INDIA and i tried to use the SIM card with a local service provider and the phone says INVALID SIM. i tried to take it to mobile stores here to unlock it but they were unable to do so. Could you please guide me on what the problem is ? is it network locked? or is it a hard locked? and will obtaining an unlock code help?
Could you please help me fix the problem. Any help would be appreciated.
Thanks!
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[Q] Not registered on network error on Samsung Galaxy S4 4.4.2

Hi all,
I have got a brand new Samsung Galaxy S4 from US (ordered from ebay). The device is running OS 4.4.2. My problem is after installing a SIM (local vietnam SIM) I'm not able to make a call nor send a SMS, it shows "Not registered on network". I have attached few screenshots about my device details and the problem. I have also googled for many instructions but none of them worked out. I really appreciate any help from any one!
Thanks so much
Huy

"not registered on network" samsung galaxy s3 CAN YOU HELP ME PLEASE?

Hi,
im flashed stock rom on my sgs3 today, i was on paranoid android 4.6.
Now my imei is correct, i can make emergency's calls but i can't call to my contacts and surf internet
can you help me what should i do?

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