[Help] MMI code problem with one st - HTC One SV

Hello,
I have a problem with one st (t528t) , I can't get answer after mmi code carrier , and I havec this error message " connection problem or invalid MMI code"
Can somebody help me please ?
Thank's

Related

IMEI code

Hi
does any body know how can i get IMEI number from my Galaxt Tab Plus (not rooted)
*#06# returns: "connection problem or invalid mmi code"
thanks
mehdi_mh said:
Hi
does any body know how can i get IMEI number from my Galaxt Tab Plus (not rooted)
*#06# returns: "connection problem or invalid mmi code"
thanks
Click to expand...
Click to collapse
go to Settings>System>About Device>Status
There will be ur IMEI number there.
Just look at the back of your Tab - you can check IMEI even if it's turned off.
it is not shown in Settings>System>About Device>Status
but thanks, I found it in back of device

[Help] MMI code problem with one st

Hello,
I have a problem with one st (t528t) , I can't get answer after mmi code carrier , and I havec this error message " connection problem or invalid MMI code"
Can somebody help me please ?
Thank's​

Q|Cant dail *Num

Hey,
The phone is rooted with cwm and used as gsm.
I get calls, sms and can use the internet. The problem is I cant dail *num in my country- I get connection problem or invalid MMI code.
What can I do ?
deadwolf666 said:
Hey,
The phone is rooted with cwm and used as gsm.
I get calls, sms and can use the internet. The problem is I cant dail *num in my country- I get connection problem or invalid MMI code.
What can I do ?
Click to expand...
Click to collapse
Bump,
Please need help

How To Fix Error Message Invalid MMI Code in SCH-I535 Verizon ?

when i try to call USSD to check ballance, i get errror message
"Invalid MMI Code" ..
I'm use verizon to provider in Indonesia..
Any help me to fix my problem ?

Connection problem or invalid MMI code

Hi I currently have the HTC Desire 510 android phone running kitkat 4.4.2 but however when I try to check the Sar level on my phone by going to the dialer app on my phone and putting the following *#07# I keep receiving the following error message (Connection problem or invalid MMI code). I have searched google for the answer but I have had no luck. I do not know how to fix this. Any help to this question would be appreciated thanks.

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