Samsung B3310 Cell Phone "mmi codes" Questions

How do I fix a problem with my phone, it displays "Connection Problem/ Invalid MMI code" I fail to connect to the internet using the phone, the screen displays "Invalid MMI code" or connection problem

I have a Motorola e6 and all the time I try to set up my voice mail I keep getting MMI code is wrong how do I fix this 'Connection problem or invalid MMI code' indicates problem with the network (i.e ...

Lg L-07c mobile says MMI code canced everytime i used i short # for bal.inq.what is MMI code? docomo NTT phone 38450#*07#

connection problem or invalid mmi code connection problem or invalid mmi code fix sky wega 850

MMI CODE FOR SUMSUNG GALLAXY SIII MINI IT IS ASKING FOR MMI CODE contact your sevice provider

how do i bypass the mmi code on a samsung android HTX one desire? im trying to unlock my phone with the imei but cant cause mmi code is incorrect Contact your carrier. They can help.

how can I find the mmi code for a g4? LG Hidden Menu MMI Code Try this link

Sky vera 4g lte phone "Connection error or invalid mmi code" Sky vera 4g lte phone "Connection error or invalid mmi code" I had similar issue for Vega R3, for checking my phone balance *122#

INVALID MMI CODE CANNOT PHONE OUT GET MESSAGE INVAlID MMI CODE. What MMI code isn't working on what provider? Mark Motorola Support

Asking for my samsung GT-S5301i need this MMI code couse my fown saying connection or vailid now im not geting to this MMI code Do you need network unlock code for your Samsung S5301 ? If so, use ...