5 Easy Ways To “Fix Phone Not Allowed MM#6 Error”

For some reason if you are facing the phone not allowed for voice error, then do not worry. In this article we shall discuss on how to fix the phone not allowed mm#6 issue for your android phone.

What is the Phone not allowed mm#6 error?

The phone not allowed mm#6 error occurs when you attempt to make a phone call or send a text message with your phone when it locked but then are unable to do so. This bizarre error occurs mostly on refurbished or on second hand phones bought from retailers. It may be possible that your phone could be linked to some other type of carrier thus causing the phone not allowed for voice issue. 

To begin solving this problem, you first have to make sure that your phone is unlocked. You should also check if the mm#6 error is being caused because of a faulty sim card. So now, let us take a look at the steps we can perform to fix the phone not allowed for voice problem.

Read: Disable Auto Start Apps In Android | 4 Easy Steps To Follow

5 Easy Ways To Fix The Phone Not Allowed For Voice MM#6 Error

1. Get in touch with your network operator

This is one of the best ways to solve the phone not allowed mm#6 issue. All you have to do is call your network operator and ask them to unlock your smartphone. While there is no guarantee that this step might fix the problem it is always worth a try. If this method does not work then try the other methods.

2. Dial the unlock code

Go to the phone’s dial pad menu and dial the code “*#78#”. This is a special code which can unlock your device in an attempt to fix the mm#6 problem. Read on if this step does not work.


Read: 5 Ways To Fix McDonald’s App Not Working Issue

3. Try Reinserting the sim card

If both the solutions we have provided above do not work, then you might have to try removing the sim card and inserting it again. To perform this procedure, follow these steps:

  • Switch off your android phone
  • Open the tray where your sim card is kept and remove it with the help of a pin
  • Clean the sim card
  • Insert it again back in the tray
  • Switch on the phone and wait for it to restart
  • Now make a call and check if the phone not allowed mm#6 error is resolved

Read: Fix Google Play Music Stuck Uploading Error

4. Choose an automatic network

If you have kept your phone’s network on manual settings, then it is time you change it to automatic so that it can select the best network in its proximity. Chances are that the mm#6 error is being caused because your phone is not getting proper network reception.

Follow the steps below to use this method:

  • Go to Settings> SIM cards and Mobile Networks
  • Select your SIM card
  • Select Mobile Networks
  • Switch On Automatically Select Networks

Read: Download And Install APK Editor On PC (Windows 10, 8, 7)

5. Update your phone

Sometimes, basic errors such as the mm#6 problem is caused due to the device not being updated on time. The phone not allowed for voice can be solved if you update your phone thus solving the issue completely.

Final Words

As we can see, the phone not allowed for voice happens commonly to most android phones but can be solved with the following steps. 

Leave a Comment