samsung galaxy s3 gt-i9300 no service problem - Galaxy S III Q&A, Help & Troubleshooting

I have a samsung s3 gt-i9300 and it just won't read my sim card ,I tried to hard reset the device
and it did't work , I tried to flash it with odin and nothing changed ,no matter what I do
please help:crying::crying:

Does the SIM card work in another phone? Possibly defective sim reader?

Related

No sim - insert sim card, help, any solutions

So i got my phone working (due to a helpful xda member)
flashed new firmware, but now i am getting NO SIM (even tried restoring old nandroid, and installing new rom, both same problem)
the thing is, it could be
EFS (didnt back it up, god dammit, never backed it up on s2) though IMEI is the same as phone *#06#
the micro sim slot (maybe i damaged it trying to get my old cut sim out of it before it stuffed up) 'is it easily damaged? could it be fixed?'
and nobody i know has a micro sim i could use to see if its my sim or damaged slot, or even software related
samsung, why you have to use MICRO SIM,
any solutions?
or should i just flash back to stock, and send it in for repair?
- i tried flashing a new modem via cwm (didnt work)
- factory reset (didnt work)
- phone company confirmed the sim is active (so its not the sim)
sorry for the recent questions, i never had any problems ever with my s2
You say IMEI is the same as the original .
Sim is activated but does it work in another phone ??? that is needed to rule out faulty sim card .
Does another sim work in the slot that is needed to rule out sim holder fault .
jje
You should search mate.. seen this topic posted a number on times mate..
Sent from my GT-I9300 using xda premium

No sim error

Im sure this is probaly a well known problem.
Sometimes my phone reads that there is no sim card in and i hsve to restrt the phone to get it back.
Is there a fix for this? Tried a new sim card and read that a new phone wouldnt necessarily help (plus im rooted so warrenty is void)
Just before my Phone turns off my signal reappears but obviously its i can't cancel the restart at tht point so surely there is something thst can be done to fix it?
anyone?
New sim card first.
jje
Sent from my GT-I9300 using xda premium
Already tried that
Your Galaxy S III could be locked to a network that your SIM card is not.
new sim tried then backup data and factory reset .
jje

[Q] Galaxy S2 GT-I9100 sim card and imei problem

hello , sorry for my english. i have one s2 and dont recognize my sim card (is not locked) and when i press *#06# say imei null/null
i try everything with odin but nothing. PLS someone help me
Did you Bk up efs

Can't recognise sim card

Hello,
I got this problem with my s3 that it doesn't recognise sim card. I tried to replace whole sim card slot but it still didn't work, and i allso plugged the sim card slot from this s3 to another one i have and it worked, so it is obviously not a problem with card slot. I allso tried to factory reset, but because i couldn't find factory reset option in settings, i did it in recovery. But that somehow bricked the phone and i had to reflash rom with odin. But the problem was still there. Do you guys have any ideas how to fix this problem?

Can someone pleas help me

I have a problem with samsung galaxy s4(gt-i9505) , a few days a go started doing strange things like , your sim card has been removed restart device or something like that , i thinkt flash a official rom with odin will work but now i have almost the same problem , no sim card emergency calls only and the sim is good ... pleas help meee
Pleas Help galaxy s4(GT-I9505) problems
I change the sim slot and the sim its working now but i get a messeger , Unable to detect you SIM card. Your device will restart to check for your SIM card. pleas help

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