Do you have a smartphone that’s still locked to a certain carrier? Having trouble with a phone that prompts a “Phone Not Allowed MM#6 Error” after inserting a new SIM card? If your answer to all of these is a big yes, then this article can definitely help you!
We all know that the Smartphone market is one of the biggest industries in the world.
In fact, the majority of people believe that Smartphones have replaced the PC as the most important smart connected device.
But that’s not all.
Smartphones have become integrated into our daily lives and that includes work, relation, and businesses.
Given all of these, it’s not a surprise that such a market will bear a fruitful one for “Used Phones”, “Refurbished Phones“, or “Second-Hand Phones”.
But that doesn’t stop there.
Various companies and businesses have come up with different ways to offer Smartphones at an affordable price. And one well-known method that these companies do is by selling used phones that they got from trade-in and are refurbished ones.
Consumers tend to purchase refurbished or used phones to save money for high-end model ones. Such a steal, right?!
So now, what’s the main problem?
These people encounter the “MM#6 Error” issue later on. Are you one of them? If yes, then keep on reading.
What is the MM#6 Error?
The MM#6 Error is an error that appears when you try to send a message or call from a phone that is still tethered or locked to a specific carrier while using a SIM card that doesn’t belong to that carrier.
So what can you do about it? Let’s dig deeper into this list to find out!
How to Remove Phone Not Allowed MM#6 Error
When you do get your phone, switch the SIM card, and make a call. You will get the error “Phone Not Allowed: MM#6 Error”.
This error means that you are trying to use a phone that is still tethered to another carrier. There are several ways you can fix this problem.
Mostly, the options are going to be different depending on your carrier. However, the easiest and most effective way is to ensure that you have a truly unlocked phone.
This will mitigate the chances of you running into this problem. There are 4 ways you can work around this Error:
Contact the Carrier
The fastest and simplest fix for the MM#6 error is by calling the customer service of that carrier and request for them to unlock the phone. In most cases, that should work. However, there are some cases that it won’t be as simple as that. Especially for the following cases:
- If the phone is reported stolen or blacklisted, then they may require you to do certain things before giving your request.
- The carrier where the phone is tethered may charge a fee. It’s called “Equipment Switch.”
- In some cases, there are phones that come with a built-in or linked phone number. It will be difficult to request to unlock this kind of phones.
Use Operation Menu
On certain carriers, you can fix this issue by dialing *#78#. This will bring you to an operation menu. From there, you can disengage from the carrier so your device becomes unlocked. If successful, you may switch to a different SIM card to use with your phone.
Not all carriers have this choice, so a bit of internet research will be needed for you to be able to use the device. Searching for your specific carrier, phone brand, and options for unlocking your phone is easy.
Research the Internet
If the first 2 methods that we mentioned doesn’t fix the MM#6 error, then your last resort is to search the internet. Try searching for your specific carrier, phone brand, and options for unlocking your phone.
One of the common result that you may find is unlocking your phone by means of rooting. You can learn more about Android phone rooting here.
If All Else Fails…
If none of our methods work for you, the best thing you can do to fix this error message is to request the assistance of the carrier. Requesting the assistance of the carrier is the most practical way to do it since they will ensure that you abide by U.S. laws as well as state laws. They will also give you the fastest, easiest, and the legal way to fix the problem.
How to fix “Phone Not Allowed MM#6 Error” if I got my phone from a shady deal?
The JoyOfAndroid Team doesn’t condone any kind of shady dealings. However, if you’re suffering the MM#6 error and you got your phone from either someone who stole it or is a blacklisted phone, then the best thing you can do is to call the customer service of the carrier.
I have an iPhone that has the “Phone Not Allowed MM#6 Error,” what can I do to fix it?
If you have an iPhone that suffers from the MM#6 error, the best thing to do is to call the carrier of your iPhone. Alternatively, you could buy a SIM Unlocker from Amazon to fix this problem. Learn more about the SIM Unlocker below.
Is the MM#6 Error universal?
The MM#6 error only occurs with smartphones that are locked to certain carriers. Otherwise, this won’t be a problem with unlocked phones. Learn more about locked and unlocked phones here.
Do you happen to have an iPhone? Do you want to unlock it and use a different carrier? Don’t want to spend more than a hundred for it? Look no further with this SIM Unlocker.
Use your iPhone with any GSM carrier with this SIM card. However, we highly recommend checking the compatibility first before purchasing.
Ultimately, we hope that we have aided you in fixing this problem. If not, then we strongly suggest for method 4.
To prevent yourself from suffering from this issue, we like to remind our readers, when buying a used phone, always buy from a reputable source. Ensure that the phone is not tethered or locked to any carrier.
If you have any comments, requests, suggestions, or violent reactions, do let us know in the comment section below!