[Q] Phone Not Allowed MM # 6 - Xperia Z Q&A, Help & Troubleshooting

Hello,
New poster here and I could not find anything on any other threads so I started a new one.
I bought a second hand phone that had previously been unlocked. It was originally locked to Bell and then unlocked afterwards. I used it on MTS for a while and then gave it to a friend to use on Telus but when he put in his sim card it gave the notification "Phone not allowed MM #6"
I did some reading and it seems like that means that the IMEI is blocked but that can't be the case as I can fully use it on MTS.
Does anyone know how I can fix this problem and use it on Telus?
If you need any more information just ask and I will try to get it to you asap.
Thanks for your help!

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[Q] Finding unlock code on Phone

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[Q] Help Unlocking ATT (N900A) to Tmobile

Hi guys, I recently traded my Oppo find 5 for a AT&T note 3.
The Find 5 was unlocked and I was using Tmobile. Although the Note 3 is locked to ATT.
I tried using these threads to unlock:
http://forum.xda-developers.com/showthread.php?t=2494634
http://forum.xda-developers.com/showthread.php?t=2475552
the only difference is I used an app called Kingo to root. I also dont have the original ATT sim card that came with the phone, I used an old one I had laying around.
Other then that everything seemed to have gone smoothly. Except after I reboot the phone after the region unlock it says "invalid SIM" and asks for a sim unlock code.
Could you guys help me figure this out? I thought it would be a lot smoother and this is my only phone.
Thanks!
You must have the latest software update. If so your baseband version ends with "mj5".
The 2 threads about unlocking you posted worked on baseband version "mi9" only.
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Sorry!

[Q] SIM Network Unlock Issue Even After Flashing with AT&T Stock Rom

Hi All -
I've searched everywhere for the answer to this and haven't been able to find it, so I figured I'd post here. This is the scenario:
1) I have a Moto X that is locked to AT&T
2) I wanted to give the phone to a friend who is on Sprint, so I paid for an unlock code
3) Even after unlocking and inserting the Sprint SIM, I still received the "SIM Network Unlock PIN" message
4) I now want to basically restore the phone completely back to the way it was (locked to AT&T), so it can be used with an AT&T SIM
5) I flashed the phone using RSDLite and the correct ATT ROM, but after the flash finished successfully and I insert a valid AT&T SIM, I still receive the same unlock message.
So my question is basically, can I get the phone completely back to being locked to AT&T, essentially the way it was out of the box? I'm also willing to flash it with Cyanogen or another ROM if that would help.
Any help is greatly appreciated, thanks for your time.
I have same issue, I had my Sim working for a couple of days but I wanted to return to stock to receive further updates and I flashed it with correct at&t firmware package but now there is a popup every time when I insert Sim about unlock code and I am stuck ... I think that's because of erasing modem st1 and modem st2 during flashing with RSDlite ... Is there anybody to suggest something helpful

Flash using Odin loses sim unlock? SM-N920i

Hi, im experiencing some weird resets when i recieve calls, i reset the note 5 like 3 times and still the same, so i downloaded the NZ rom from Sam Mobile and i was wondering if this phone i bought is sim locked and i flash the new rom i will lose my unlock??
Is there any way to know if my phone is factory unlocked or if its locked whit what company?
Ok I find the question a bit strange but will answer to the best of what I understand. If you want to find out if your phone is unlocked just pop in another sim from any other provider and see if you get service or even if it even attempts to find it. If you get invalid sim msg or something similar you are locked. Also to answer your question to which carrier is it locked, that's obvious as it would be the carrier you are currently using. As far as flashing a rom from a different model note 5, I won't recommend without extensive research as you could brick your phone.
devon411 said:
Ok I find the question a bit strange but will answer to the best of what I understand. If you want to find out if your phone is unlocked just pop in another sim from any other provider and see if you get service or even if it even attempts to find it. If you get invalid sim msg or something similar you are locked. Also to answer your question to which carrier is it locked, that's obvious as it would be the carrier you are currently using. As far as flashing a rom from a different model note 5, I won't recommend without extensive research as you could brick your phone.
Click to expand...
Click to collapse
Sorry for my bad English, the phone is already unlocked but idk if was manually unlocked or factory unlocked because im from Bolivia and the Note 5 Says spark(NZ Carrier) and accepts any carrier, the problem is my fear of losing the unlock after the flash is this phone was manually unlocked

M7 unlock

Hi all, I'm giving away my old m7 to a friend and when we put the sim card in, it reports it is network locked. I have purchased a code from unlock river, but it's saying it's wrong. I just wanted to check if anyone has had this problem when unlocking a modded phone? The phone is running viper one 9, s-off, unlocked bootloader etc. It did have super cid but I reverted that back to t mobile UK to see of that made a difference but it didn't. The new sim is gsm like the old one. It could still be the code, but I wonder if the mods aren't helping.
Thanks in advance!

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