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New Contributor
Posts: 3
Registered: ‎04-15-2013
My Device: 9900
My Carrier: at&t

9900 by at&t unlock but still cant use t-mobile sim card mm6 not allowed

9900 by at&t unlock but still cant use t-mobile sim card mm6 not allowed 

Posts: 95,176
Likes: 24,505
Solutions: 6,378
Registered: ‎04-01-2008
My Device: Passport • Z30 • Z10 • Torch9850 • Playbook
My Carrier: Verizon

Re: 9900 by at&t unlock but still cant use t-mobile sim card mm6 not allowed

You are positive that it is unlocked?

 

See my link below , Guide to Unlocking and confirm it is indeed unlocked.

 

Finally, you know that you will not get 3G service using an ATT BlackBerry on Tmobile?

Only EDGE speeds, at the best.



1. If any post helps you please click the Like Button below the post(s) that helped you.
2. Please resolve your thread by marking the post "Solution?" which solved it for you!
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4. Guide to Unlocking your BlackBerry & Unlock Codes
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New Contributor
Posts: 3
Registered: ‎04-15-2013
My Device: 9900
My Carrier: at&t

Re: 9900 by at&t unlock but still cant use t-mobile sim card mm6 not allowed

[ Edited ]

cose i did serch on the web side  in the info said 

 

network inactive 

 

 

 

and i went to the t mobile shope they told it is unlock 

any way i even use it yesterday pick up a call but after few hour it comes up again the the phone not allowed mm6 and sos bar 

 

the t mobile said i might be not unlock well so is it anyway to re do the unlock  thanks a lot

New Contributor
Posts: 3
Registered: ‎04-15-2013
My Device: 9900
My Carrier: at&t

Re: 9900 by at&t unlock but still cant use t-mobile sim card mm6 not allowed

help please 

Posts: 95,176
Likes: 24,505
Solutions: 6,378
Registered: ‎04-01-2008
My Device: Passport • Z30 • Z10 • Torch9850 • Playbook
My Carrier: Verizon

Re: 9900 by at&t unlock but still cant use t-mobile sim card mm6 not allowed

An "MM6 Phone now allowed" message is normally from one of two things:

 

The BlackBerry device has been blacklisted or banned from the network.

or

The SIM card is not registered or has been disabled.

 

To resolve this issue please contact your service provider to verify the BlackBerry® smartphone is registered correctly with the mobile network and it also can be an issue with the SIM card.

And/or

Get another SIM card from the mobile provider and see if it works.

 

 



1. If any post helps you please click the Like Button below the post(s) that helped you.
2. Please resolve your thread by marking the post "Solution?" which solved it for you!
3. Install free BlackBerry Protect today for backups of contacts and data.
4. Guide to Unlocking your BlackBerry & Unlock Codes
Join our BBM Channels (Beta)
BlackBerry Support Forums Channel
PIN: C0001B7B4   Display/Scan Bar Code
Knowledge Base Updates
PIN: C0005A9AA   Display/Scan Bar Code