sim unlocking problems - AT&T Samsung Galaxy Note II

I've tried unlocking my AT&T Galaxy Note 2 using service mode. I downgraded the phones modem to the 4.1.1 version and it worked. I used my metroPCS sim card and the phone did not ask for the code but it said phone not allowed MM#6. When I try to call someone it says emergency calls only. I was wondering if it is because the phone is still under contract or because I'm supposed to use a blank sim card and not one thats already been used. Please help.

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my galaxy nexus does not read sim card

i have a question about galaxy nexus . after i rooted my GN , it does not read my sim card. (the phone is verizon lte and i have a t-mobile microsim) i checked the bootloader and the lock state is unlocked.
any ideas of what i should do now>
did you ever find out your answer? i unrooted my vzw galaxy and now it won't read a sim card.
try a normal simcard... not a microsim with an adapter
You have a Verizon Galaxy Nexus, which is carrier locked to Verizon, so your T-Mobile SIM won't work on it. The Verizon Galaxy Nexus is a CDMA phone, T-Mobile is a GSM carrier, so even if you carrier unlocked the phone, it still wouldn't work. And last but certainly not least, Your bootloader may be unlocked, but that doesn't mean that the SIM is unlocked; like I said earlier, that Verizon Galaxy Nexus is carrier locked.
Sim Card not Reconized
Hi can anyone please help me I installed the APOK Rom and found out there was a APOK ROM DARK so I tried to install that then got error during the installment so I went back to the one i had before and now my sim card is not working I have tried other sim card and its not reconizing it at all besides that everything else is working. PLEASE CAN ANY ONE HELP ME
bigboss875 said:
i have a question about galaxy nexus . after i rooted my GN , it does not read my sim card. (the phone is verizon lte and i have a t-mobile microsim) i checked the bootloader and the lock state is unlocked.
any ideas of what i should do now>
Click to expand...
Click to collapse
How were you planning on using a CDMA/LTE phone on a network that only does GSM/HSPA? Not quite compatible. Different radios.
youngblood68 said:
Hi can anyone please help me I installed the APOK Rom and found out there was a APOK ROM DARK so I tried to install that then got error during the installment so I went back to the one i had before and now my sim card is not working I have tried other sim card and its not reconizing it at all besides that everything else is working. PLEASE CAN ANY ONE HELP ME
Click to expand...
Click to collapse
If you open up another thread with your specific issue we might be able to help you out but I don't want to derail this thread going into details about a completely different problem.
As for OP, that SIM will not work in any CDMA Galaxy Nexus because it is not a "global" phone. It only supports Verizon Wireless SIM cards.

[Q] SGH-T889 Metro PCS sim not working

Hello,
Today I bought a Note 2 on Craigslist. Since it was from TMobile I though it was only a matter of putting my sim card in the phone and it would work, I was wrong. The person that I bought the phone from gave me an unlock code that he got straight from T-Mobile, however when i used my sim card the phone didn't ask me for the code, so I assumed it was already unlocked.
I called Metro PCS to replace my current phone (LG optimus 9) with the Note 2, they tried using the IMEI number and they told me that there was a problem, that they couldn't activate the phone, and that I had to go to a T-Mobile store. I went to the store, they checked the IMEI and they say it was fine, the guy also told me that the unlock codes are only valid for 72 hours and the person who sold me the phone requested the code on 01/17/14 which means the code its no longer valid.
After that I tried calling Metro to get the phone activated, it didn't work...
I thought that maybe the phone was still locked so I did a downgrade to 4.1.1 - UVALJ1 (the phone was rooted and it had a 4.3 custom rom) and unlocked the phone using the method of that "secret" menu. I tried using the Metro sim card, no luck. At this point I dont know what else to do, a T-Mobile sim card works fine, I haven't tried with another carrier, however I've been using my Metro sim card in my L9 with no problem, so I don't see why it shouldn't work with the Note 2.
So my question is if anybody has tried using the Note 2 on metro, specifically a T-Mobile one, and if so, how did you make it work?
I am pretty new to all of this rooting and android stuff, but I have done as much research as possible before asking, this is my last resource so hopefully someone can help me. Thank you in advance.
Update: After trying multiple times to activate the phone on Metro PCS it turns out the phone appears on their database as it hasnt been paid in full and theres an unpaid equipment installment balance, that is only on Metro PCS database. I went to T-Mobile and everything was fine on their system, no blacklisted, no unpaid balances, no nothing so I activated the phone with them. Now hopefully the guy who I bought the phone from doesnt decide to report the phone as stolen or lost just to be an ahole.
Im on android 4.1.1 and I want to upgrade but my phone its telling me that I cant upgrade because my phone was modified. I want to upgrade to 4.3 but I dont know if I lost root when I downgraded to 4.1.1, how can I check if im still rooted and what rom do you guys recommend flashing? Thanks in advance
-- Thread can be closed, already rooted, upgraded and de-bloated.

[Q] Phone not allowed mm#6 error message

Phone: SHG-I317
Carrier: AT&T
Current Firmware: 4.1.1
Hey guys, I purchased this phone and have yet to officially activate it. I downgraded from 4.1.2 so that I could unlock it to work on other networks. I did the unlock procedure and I attempted to put in a METRO PCS Sim card but I get: Phone not allowed mm#6. The phone is not blacklisted as Ive checked numerous sites online and even went to a AT&T store and they were able to pop a AT&T Sim card in and it worked just fine.
I tried to search this issue but the only thing I can come up with was that it could possibly be blacklisted but Ive ruled out that possibility for now.
Could it be that the unlock was unsuccessful and I need to do it again? But then how am I supposed to know that it was successful without another carriers sim card? is there something that changes in the settings or something?
Thank you very much for your help.
http://forum.xda-developers.com/showpost.php?p=51349788&postcount=4

[Q] Pls Help! Need to determine unlock status asap. Also, USSD codes failing

Hi.
I am unsure if my phone is unlocked and can proceed with porting my number over to Metro PCS. Please help me with advice how to proceed. I decided to move my service to Metro PCS since they are now a Tmobile company and after lots of research, I found that I can use my current phone/software as long as it was unlocked. I recently purchased my Galaxy s4 second hand and assumed it was not unlocked. I had immediately rooted it and flashed a new rom (Insane Kitkat 4.4.4). The phone has been working well. I already have requested and have my unlock code from Tmobile.
When I went to the Metro PCS store to port over my number, the phone did not request an unlock code when inserting their Metro PCS sim card (not activated). They said that my phone may already be unlocked or that it may not need to be unlocked since Metro is now owned by T-mobile. They stated that it may work if they go through the entire registration process, port over my number and activate it but that it would be a gamble. If it did not work, then I would not be able to go back and reactivate my sim immediately with Tmobile since it would then be in deactivated status with them.
I tried to find out if it is already unlocked by *#7465625# but my phone will not run this or any other USSD codes to verify. I keep getting errors when trying any USSD codes. A message says 'USSD code running' then "unable to process request".
A friend of mine has an activated Galaxy S4 on Metro PCS and I tried inserting her sim card to prompt for the unlock code but my GS4 just booted normally then showed 'not registered on network'. It did, however, have cellular signal bars. When I inserted my Tmobile sim into her GS4 it did ask for the unlock code normally.
I am at a loss now..
funny, I like to know if there is a way to check carrier unlock status for simcard without having to put a simcard in.
T-Mobile phones work with metropcs without the need to unlock
Could the custom rom be suspect?
Maybe need a stock rom to get carriers sorted out, then go to custom roms.
Pp.
serio22 said:
T-Mobile phones work with metropcs without the need to unlock
Click to expand...
Click to collapse
I ended up contacting Tmobile and they stated that the phone showed unlocked status already but I think you are correct. I wasn't aware they could tell me this. It was very fast and super easy to find out.
I have the phone working great on Metro PCS now. USSD codes still failing though...

Is the phone unlocked or locked?

I am buying a Samsung Galaxy note 2 from craigslist. The post said the phone was locked to telus/koodo and so I messaged them saying that my simcard is from fido and would like to buy it than
unlock it so I could use it. He messaged saying he tried Rogers/bell and it wouldn't work and he doubted it would work with fido ( I don't know if he knows what he is talking about
because the post said it was locked ) and so I asked him if it was unlocked already or was it just locked to telus and koodo because I heard you could put a koodo sim card in a
Telus phone. He also said maybe the sim card reader is broken, but I thought if the sim card reader was broken it wouldn't be able to read any sim card at all not even telus sim card that it's supposedly
locked to. The phone is model SGH-I317M. I really want to buy this phone and it was the best one I found on craigslist. I am thinking of going to test if it is unlocked but how do I tell? Will a message pop
up when I put in my fido sim card in and boot it up saying "phone is locked, put in unlock code" ? :crying:
jfd12 said:
I am buying a Samsung Galaxy note 2 from craigslist. The post said the phone was locked to telus/koodo and so I messaged them saying that my simcard is from fido and would like to buy it than
unlock it so I could use it. He messaged saying he tried Rogers/bell and it wouldn't work and he doubted it would work with fido ( I don't know if he knows what he is talking about
because the post said it was locked ) and so I asked him if it was unlocked already or was it just locked to telus and koodo because I heard you could put a koodo sim card in a
Telus phone. He also said maybe the sim card reader is broken, but I thought if the sim card reader was broken it wouldn't be able to read any sim card at all not even telus sim card that it's supposedly
locked to. The phone is model SGH-I317M. I really want to buy this phone and it was the best one I found on craigslist. I am thinking of going to test if it is unlocked but how do I tell? Will a message pop
up when I put in my fido sim card in and boot it up saying "phone is locked, put in unlock code" ? :crying:
Click to expand...
Click to collapse
Yes a message will pop up asking you for the sim unlock code if it's locked. If it's not locked then you'll get signal. You also need to ask them what firmware is on the phone, cuz you can possibly unlock it from the hidden menu. Just search Xda for that.
Good luck on your new device ?

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