sim card not detected after rom installation - Samsung Galaxy J7 Questions & Answers

Hello,
after having intalled cRdroid 10, no sim card can be detected.
I rolled back to stock rom, but same problem
I read it might be related to some deleted partition(EFS?), could it be the case? how to fix?

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SIM card ERROR :(:(:(

After flashıng TNT 5.0 my devıce doesn't recognıze the sim card and always says ''invalıd sim''.Can anybody help me about the situation :'(.(Note: I've reflashed diffrent roms so many times after this happenden but nothing changes)
Flash the latest rom from your provider.
btw; The phone is sim-unlocked?

[Q] After Reflashing Sim Card is not detecitng.

Hi All,
I have MicroMax A100. Suddenly boot problem developed after unsuccessful installation of some games.
From Reflashing by above post able to boot device but could not detect sim card.
http://forum.xda-developers.com/showthread.php?t=1842908&page=21
I tried all possible way i.e. remove battery & sim card as well as SDRAM for 10 mins. etc.
Nothing happens. Same SIM working well in other mobile.
When I google it I found many people having similar problem where after flashing SIM is not detecting. Is there any generic answer for this Generic Question.
Thanks in advance.
Maybe you could reflash or do another rom or reset your whole device.
Hope it helps
i would suggest you to try checking in other phones...(probably not a smartphone) i encountered the same problem after flashing my phone with the wrong ROM... somehow i got my SIM card running again.....
if you still face the problem... get your SIM card Replaced with a new SIM card and same number from your service provider. that way u can get your number activated:angel:

[q] cm11 sim card error

Hello guys,i have a question and a problem in same time.i just flashed an CM11 rom on my mobile,everything seems to work fine excepting sim card..the rom dont detect my sim card.i make a restore,with previdous rom(miui)sim card works..i flashed again cm11 but still sim cand is not deteted..
Any solution?

[WTA] HTC One M8, no sim detected, no IMEI, unknown baseband after flashing new rom

guys, i have a problem i that cant figure out what to do to solve it... Yesterday before i wad flashing the Wolla mashmallow sense 7 rom, i m using skydragon v1.5.1 rom. Before flashing the wolla rom, everything is fine, but right after i flashed the rom, my sim card cant be detected anymore, there arent any error msg saying cant detect sim card or preparing sim card, just the signal bar has a cross on it. Then i realize that the baseband number and imei number became unknown too. I tried to reinsert sim card but nothing happens too.
Then, i tried to flash back to the skydragon rom, but the same prob is still there. The sim card cant be detected and baseband and imei number became unknown. I even tried to restore my stock rom from nandroid but the same prob still exist.
Anyone knows what happened to the phone? Any solution for this? Thx in advance

Phone wont read SIM card after Paranoid 603 Flash

Hello.
My skyrocket wont read my sim card after i flashed the paranoid 6.0.3 Rom.
is there any way i can fix this? i already tried installing the stock firmware but nothing. my phone does read my SD card.

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