No radio signal after unlocking sm-n910t the mobile - T-Mobile Galaxy Note 4 Q&A, Help & Troubleshooting

So, I have a t mobile note 4 sm-n910t. I paid a company to unlock the phone. Now I cannot use it due to " no network available ".
The imei is unknown, the service state " out of service ", the ims registration status " not registered ". I have consistent reboot.
The phone is running 6.0 and had not been tampered with meaning no root ect.
The battery drains fast.
The S Pen doesn't work.
I wanted to use Straight Talk. Knox has not been triggered because I have not flashed anything and when i push the three keys to get to the info screen knox says 0x0 but yet I get a warning screen that says " Security Error: This phone has been flashed with unauthorized software and is locked.
Please call your mobile operator for support." Is there a way to flash the original software Even though its still installed? Does anyone here have any idea how to fix this?

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Error msg: Phone not allowed MM #6

Hi guy,
I recently reported my phone lost, got it blacklisted by tmobile. I since then found it and then called up to have it unblacklisted again.
However, it seems to work on the tmobile network fine. However, when i put in another sim card in the phone (the phone is unlocked) i get the error msg hone not allowed MM #6.
My assumption/hope is that the databases for the network providers need updating.
Can someone confirm is a phone which has been reported lost(blacklisted) and then found(unblacklisted) will work on all networks?
It's more likely that your phone isn't SIM unlocked so it sees the new SIM and then tells you "T-Mobile is the only SIM I'll accept."
I'm in Bolivia. I have a samsung galaxy s, I unlocked with SUperOneClick (for rooting) and sgs tool to unlock it. Then after using a local carrier for about two weeks my phone got the mm#6 error. I was looking for solutions, and then my brother realized that I have to register the phone with the line (IMEI with line). Here in Bolivia exists a law that block phones if they are not registered at someones name and Id. So with nothing to lose, I called assitance of the carrier and register the IMEI I found in the Android menu (About phone>status>IMEI) with the GSM chip/line I have. Wait for 20 minutes and voilá! phone got signal and it's working now. I hope still working from now and on. SO IF YOU HAVE THIS TROUBLE CALL YOUR CARRIER AND REGISTER YOUR PHONE'S IMEI WITH THE LINE YOU ARE USING, IT'S SIMPLE. YOU CAN TRY THAT BEFORE GETTING INTO SOFTWARE STUFF.
HOPE THIS HELP SOMEBODY.
GOOD LUCK!

Security Error: This phone has been flashed with unauthorized software & is locked

Security Error: This phone has been flashed with unauthorized software & is locked
Hi to everyone, see, I'm really desperate about this, it may be the biggest issue of all my life.
I bought a Samsung Galaxy S6 SM-G920T from T-Mobile six months ago and it was working perfectly. Today when I was using the phone it got a little dumb so I reset it and when it started up this two messages appeared on my screen:
Security Error:.
This phone has been flashed with unauthorized software & is locked,
Call your mobile operator for additional support.
Please note that repair/return for this issue may have additional cost.
Network Lock:
"This device can be remotely unlocked if eligible. Please use the "Device Unlock" application to unlock the device, Make sure the device has an internet connectivity to use the "Device Unlock" application
Does anyone know how to fix this? I'm really sad because I don't have money to buy another phone and I have read in other forums that this is quite difficult to fix. If anyone can help me with this I would really appreciate it so much .
Thanks!!

"Security Error"

So, my mother-in-law's G920T that she's been using for 1yr+ one day decided it was going to lose it's mind and start giving her the "Security Error, Phone has been flashed with unauthorized software and is locked" message.
She finally gave up and replaced it, so I asked her if I could take it away and try to revive it. The phone had never been flashed/rooted/attempted unlocked and has only been used on T-Mobile.
First thing I did was a factory default through the phone itself (which of course did nothing) - on further digging, I discovered the IMEI had been reset to 350000000000006. I tried re-flashing through SmartSwitch, Odin, backup/restore of EFS (after finally giving in and rooting), etc etc etc.
Nothing I've tried has seemed to help... At this point I'd just like a functioning device that I can hang onto as a spare - I've already tripped the Knox counter so I know Samsung Pay/etc. is useless and I guess I can always flash a 3rd party ROM (I haven't researched what is available, will take recommendations) to get rid of the Security Error (unless fixing the IMEI will get rid of that).
Any suggestions on how I can revive the IMEI on this thing? I'm not going to send it off for repair/pay to fix it, if I can't get it working I'll either keep it as a "dumb" device with no cell service or will throw it in the bin.
Thanks in advance.
For what it's worth, the correct IMEI does show when booting to Download mode and hitting the Home button (serial number/IMEI are correct/match the back cover), my baseband does show a version in "About phone" and I do get a signal strength in the menu bar, I just have a bogus IMEI.
Same problem. I have a perfectly good Galaxy s6. But after going overseas, it decides that it has unauthorized software and is now locked. I didn't even change the SIM card while overseas. I have T Mobile, which gives me 2G speeds in lots of countries. No idea what to do now.
I ended up finding someone to remotely reprogram the IMEI. It does not match the one on the device itself but has worked fine now for a long time. I don’t remember who I used to do this - sorry I couldn’t be more help. It was cheap (maybe $20 USD or less to get done) and quick.

Sprint device SIM unlocking

I got a Sprint locked N950U device today from a third party, that I'd wish to unlock to work with any (international) carrier. I checked the IMEI and it's listed as clean. However, when I put a t-mobile card in, or a European SIM, and restart the phone I don't get the 'Enter network unlock code' dialog. After the OTA update I do get Sprint OMADM notification about trying to register the phone on the network, but since I don't have a SIM plan it fails. Do I first have to have the phone running registered on Sprint (or MVNO?) and then can switch to another carrier?
Also, when I go to at least two unlocking services online, and enter the make and model of the phone and IMEI, I never get an e-mail with unlock details and the form submission button just keeps saying 'Please wait'.
alh84001 said:
I got a Sprint locked N950U device today from a third party, that I'd wish to unlock to work with any (international) carrier. I checked the IMEI and it's listed as clean. However, when I put a t-mobile card in, or a European SIM, and restart the phone I don't get the 'Enter network unlock code' dialog. After the OTA update I do get Sprint OMADM notification about trying to register the phone on the network, but since I don't have a SIM plan it fails. Do I first have to have the phone running registered on Sprint (or MVNO?) and then can switch to another carrier?
Also, when I go to at least two unlocking services online, and enter the make and model of the phone and IMEI, I never get an e-mail with unlock details and the form submission button just keeps saying 'Please wait'.
Click to expand...
Click to collapse
For Sprint's registeration/activation nag, have you tried disabling the responsible packages using an app like Package Disabler? If not, do that and see if still getting the unlock message. Worst case it will at least take care of the other nags. If you still get the unlock code message then try contacting Sprint to unlock. If you go 3rd party service, I've used cellunlocker dot net before.
i found samsungphoneunlock they unlock my note 8 from sprint via remote connection, someone has connected to my laptop and i follow some instructions and they unlock the phone for me..they told me sprint phone do not ask for code..i hope this helps..cheers

N950f-ds [galaxy note 8 exynos] - rmm state lock

Hello,
I negotiated a Galaxy Note 8 (SM-N950F/DS) through a site of collective purchases in Brazil, with invoice and all the accessories.
I did all the tests in the device and I decided to buy it, because it seemed reliable.
The device already had the factory settings, but with Android 7.1.1.
I activated automatic update in order to upgrade the android to 8.0.
I received the update and installed it. When restarting the phone, I started the settings normally, I was able to configure the Samsung Account, but when I was starting the configuration of the Google account my phone blocked.
After trying several unlock passwords, I made contact with SAMSUNG which instructed me to send the device for local service.
When I arrived at the service it was verified that my device had "transport block" and who is responsible for unlocking the device is the store in which the device was purchased.
I went to the store that was described in the purchase invoice and there informed me that the store does not perform any kind of unlock or block, so I could not solve the problem.
After several discussions with Samsung and the store, it was verified that my invoice was exchanged and that it was possibly not true.
It was from there that I realized that I was deceived by the seller of the device, because when I try to contact him, my calls do not complete and he blocked me in the social networks.
The only information I have about him is his name and the phone number that should have already been discarded.
Anyway, I realized that I would have to try on my own. Because of this, I am doing this post. I apologize for the long text above before passing the technical information, I had to explain what happened, because I do not want to pass as a thief.
After doing several research I found that the lock was being triggered by RLC.apk which is located at "/system/priv-app/Rlc/Rlc.apk" in stock firmwares.
I found an instruction that guided to freeze the performance of this app with application Ice box v3.1.9.1.
I tried the instruction, but it did not work on devices with Binary 4 (which is my case). The device continues to locked.
I talked to some technicians who told me that this is a block known as SEDA_LOG or DNP 0001. There are some companies that unlock remotely, but it does not have support for Binary 4.
With rom COMBINATION I can use some applications installed by adb, even my data network works perfectly.
The IMEI is normal, unlocked, and is out of the blacklist.
Other information is that the RMM State is Lock, FRP ON, OEM LOCK ON.
Also, when the lock screen appears a few times the message "Silent Log is not allowed for commercial version, please get the EM token".
Through the Samsung Account I can make the phone ring and even locate it, but it does not unlock.
Some failed attempts:
- flash a rom from another region (the device region is ZTO, I tried O2U)
- wait 7 days for the RMM State to disappear (not disappeared, continued locked)
- freezing the RLC app
- enter several PINs to try to unlock.
- login with my samsung account on rmm.samsung.com to try to unlock rmm, but I can not access.
If anyone can help me, or can guide me in what to do, I am very grateful.
Well, if you got scammed by some nasty person, strictly talking, the device in your hands was illegaly traded, as such, here in XDA no solution will be given or support offered, sorry, these cases appear often, and the moderators usually close the threads
winol said:
Well, if you got scammed by some nasty person, strictly talking, the device in your hands was illegaly traded, as such, here in XDA no solution will be given or support offered, sorry, these cases appear often, and the moderators usually close the threads
Click to expand...
Click to collapse
I understand!
Anyway thank you.

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