I want to change csc code by dialling *#272*IMEI# but I get a message saying "connection problem or invalid MMI code" everytime.
I have a dual sim Samsung Galaxy A50 SM-A505FN.
Does anyone have a solution to this?
Related
#1234# in dialpad results in "Connection problem or invalid MMI code" - cause?
This happens with pretty much all # codes I enter into the dialer, says "USSD Code Running" and then results in "Connection problem or invalid MMI code" - what caused this - used to be fine I believe before rooting and flashing.
"finds a gun and shoots himself"
Its *#1234#
xinfinityoO said:
"finds a gun and shoots himself"
Its *#1234#
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Epic fail on my behalf. Thanks.
ok dont know if it will work for you but it worked for me
add comma (,) in the end of the code
example:
*100*2# into *100*2#,
works for me
It might be because your rom. Why do not you try installing a different rom see why.
I was trying to dial *#06# in order to check my IMEI and I keep getting the error "Connection problem or invalid MMI code." I'm currently running the at&t version on Diet ICS 7.11.12. Any idea what's up?
From my understanding, codes don't work on phones with custom software.
this message brought to you by my GalaxyS3
first off when i input the code i get nothing, nothing happens.
when i call the code this appears "Connection Problem or Invalid MMI Code"
i searched for solutions but nothing
help pls
Codes only work on touchwiz firmware, aka. Samsung stock or modded if I remember correctly.
Also, if you're using other dialer than original you can get same error.
Sent from my GT-I9300 using Tapatalk 2
Hello
i have verizon I545 model , i use it out side USA , when i try to call my mobile provider *054 its giving me error : "connection problem or invalid mmi code i545"
have some solution ?
You can dail *+054 (To dail + long press 0)
Any one else have a permanent solution >?
Hi
I'm having hard time flashing the ROM of my Galaxy S9+.
I have a ROM 965fxxsefua1 and i would like to flash my phone with another rom (G965FXXSCFTK2 ) but i encounter the following error :
SW REV. CHECK FAILED(BOOTLOADER) DEVICE: 14, BINARY: 12
It seems that it's the bootloader and I need to change the CSC.
So I tried using #272*[IMEI]# to change it and I get the error "connection problem or invalid mmi code".
I googled this error and I saw it may be the multi sim but I have only one sim in my phone.
Does someone know what is the solution to change the CSC when one gets this error ?
Thank you in advance,