1. AC Question's Avatar
    I'm from St.Lucia and purchased a S4, I had to unlock it because it used a LTE carrier but I need GSM so I did so and I could receive calls for a few months after I did so but from some reason now I can't make calls or receive them. Any ideas on how to fix this?I use digicel by the way.
    03-05-2016 02:19 PM
  2. itguyjax8430's Avatar
    I'm from St.Lucia and purchased a S4, I had to unlock it because it used a LTE carrier but I need GSM so I did so and I could receive calls for a few months after I did so but from some reason now I can't make calls or receive them. Any ideas on how to fix this?I use digicel by the way.
    Welcome to Android Central!

    What does it say when you try to make a call?
    03-05-2016 02:47 PM
  3. Unrivaled Deception's Avatar
    When I call some it says and I quote,"I'm sorry, you are not allowed to make this call," It also gives me and ID number.
    03-05-2016 03:13 PM
  4. itguyjax8430's Avatar
    When I call some it says and I quote,"I'm sorry, you are not allowed to make this call," It also gives me and ID number.
    Have you tried putting your SIM in another phone to see if it does the same thing?
    03-05-2016 04:39 PM
  5. Crashlabs's Avatar
    This is not working out, however, I have found a solution:"This method is pretty easy despite the fact that it looks utterly preposterous. However many users report that it actually works. It is to add a coma to the request. For example, your request for checking your account balance will look like : *100#,. To add a come, you have to hold “*” button. "
    https://android-fix.com/android-erro...-mmi-code.html
    02-26-2017 10:49 AM

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