I am in rather desperate need of a backup of the efs, modemst1 and modemst2 partitions after attempting an unlock and not backing up. The radio stays off even though the IMEI and MEID are intact and the phone reads fine in DFS and CDMA WS.
BTW, no worried about your MEID. I will change it back. Thanks!
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I have a XT925 and when I got the phone the IMEI is 0. I want to recover it and followed the method in the forum. Everything is find except I typed in one digit wrong. Now it doesn't allow me to change #550 in NV again.
From my understanding so far, when you lose the IMEI, actually you are erasing the #550 in NV by flashing different ROM. If you had ever lost your IMEI, could you please tell me from which ROM to which ROM and use what method you had done? I really need to "lose" the IMEI again and start from the beginning.
Thanks first.
I've tried to jump from different ICS and JB ROMs but with no success. The NV #550 is still there and I have no way to modify it... May be losing IMEI is not cause by deleting the NV #550.
So after hours of trying to unlock this brick, I didn't succeed.
I've deleted modemst1 and modemst2, this rendered the device without imei, wifi and bluetooth. After creating the partitions all returned to normal, including sim lock, so the method from OnePlus 6T doesn't work with us.
And there's an app inside called com.oneplus.factorymode.qualcomm.ClearTelcelnetlock that just refuses to open.
If anyone managed to unlock it, please help me out.
Note: I can't unlock through Tmo since I'm not the original owner and I can't contact the previous one.
I got this phone on ebay, it was listed as "broken with a clean imei and unlocked" but when I got it, what I received was a "clean" imei, as in the imei wasn't there. I was able to recover the imei in other devices, but here on this device I can't, no matter how hard I try, enable diag mode or, in that case, do anything to come close to modify the imei code. It is written on the back of the phone, and I even opened the phone itself, in order to check if some modem cables were disconnected (which isn't the case). I hope that I didn't get the category wrong, and that you can help me. I was thinking of restoring the phone to stock fw, but I don't think it will change anything. For additional info, every code that i found online crashed my phone, and writing *#06#* returns a blank screen with only "imei" and no actual code. Thanks again in advice, please help me.
Settings, about phone, imie 1 and 2 should show
djhulk2 said:
Settings, about phone, imie 1 and 2 should show
Click to expand...
Click to collapse
I don't need to see it, i need to edit it, since it doesn't exist in the phone, it has been erased
Flash stock rom again
most of the replays are pointless. the efs partition is wiped. You need something to rewrite the efs partition to restore imei.
NoSenze said:
I got this phone on ebay, it was listed as "broken with a clean imei and unlocked" but when I got it, what I received was a "clean" imei, as in the imei wasn't there. I was able to recover the imei in other devices, but here on this device I can't, no matter how hard I try, enable diag mode or, in that case, do anything to come close to modify the imei code. It is written on the back of the phone, and I even opened the phone itself, in order to check if some modem cables were disconnected (which isn't the case). I hope that I didn't get the category wrong, and that you can help me. I was thinking of restoring the phone to stock fw, but I don't think it will change anything. For additional info, every code that i found online crashed my phone, and writing *#06#* returns a blank screen with only "imei" and no actual code. Thanks again in advice, please help me.
Click to expand...
Click to collapse
u should backup ur modemst1 and modemst2
then erase modemst1 and modemst2 and fsg
thene write imei using QCN
Just as I tought, I recovered from it installing the stock fw but now, I've got the error that I was scared of; The network locked error. If someone knows how to network unlock a (probably not payed off) OP7 Pro 5g from sprint, then please let me know. I didn't know all these things when I bought the phone, but now I can't send it back at the other side of the world
So I'm playing around. I've tried th 6t unlock method and so Far I've managed to get the sim lock dialouge to not show. But no sim is reading. I need some one to give me a copy of modemst1 and 2.from a unlocked or international device to try.
BTW zeroing these does not wipe imei. So imei is stored somewhere else
I've had a lot of help from another user. And we both are in agreement the device is unlocked. Just not reading the sim. Most definitely a qcn issue now
As a further note if we cna figure this out we will have free unlock on device itself no waiting on others. No server
dd if=/dev/block/bootdevice/by-name/modemst1 of=/sdcard/
dd if=/dev/block/bootdevice/by-name/modemst2 of=/sdcard/
Should be all I need for now. If possible a set from t-mobile and a set from international device
oneplus nord n200 qcn file please.
My device was permanently unlocked before I accidentally erased modemst1 and modemst2 partitions without even knowing what these partitions do. Now my phone is network locked again and I can't unlock it. Tell me how to fix this problem please. I don't have backup of modemst1 and modemst2 partitions. I did MSM and also updated to latest software version but network unlock app is giving error.
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Can someone give modemst1 and modemst2 partitions backup for tmobile oneplus 9 ?
VioletPotato said:
Can someone give modemst1 and modemst2 partitions backup for tmobile oneplus 9 ?
Click to expand...
Click to collapse
Someone gave me these partitions but the problem is not solved. I am never going to buy tmobile phone again. Network lock is pain. It should have been fixed by re-flashing those partitions. Unlock app is also having server error.
VioletPotato said:
Someone gave me these partitions but the problem is not solved. I am never going to buy tmobile phone again. Network lock is pain. It should have been fixed by re-flashing those partitions. Unlock app is also having server error.
Click to expand...
Click to collapse
There is one solution for network unlock try root and use magisk module to fix data dual sim bug that works even in network locked devices
[TMO] OOS/COS DATA FIX
TO CLARIFY THIS IS A ROOT ONLY FIX After gaining root install given module. Data is now retained. Even after reboot(s). No empty slot or waiting. Issue is TMO variant is showing multi sim. So props were added to make it like a conversion to...
forum.xda-developers.com
rizzmughal said:
There is one solution for network unlock try root and use magisk module to fix data dual sim bug that works even in network locked devices
Click to expand...
Click to collapse
Okay I will try it.
Modemst1/2 are unique to your device. Deleting them was not a good idea. This isn't really fair to blame the tmobile variant for this. You said it was previously unlocked. If your phone was globally unlocked and you deleted the modemst1/2, you'd still have a problem as it holds more than lock/unlock status. It has your imei1/2 and more. I believe it's tied to your hardware serial ID as well
What does your imei show right now when you do *#06# in dialer? If 0, use qualcomm tool to set imei back to normal.
You may be able to extract a valid modemst1/2 from efs/fsg. Using dd to pull efs and flashing that back in or causing efs to repair itself, then maybe or maybe not need using qpst to set your imei back to what it was. Then unlock the sim again.
There's a method I've read about is using qualcomm's tools and a valid qcn. Samsung qpst. But I don't know if it works for OP9!
You get a known good qcn and edit it, then use qualcomm tools to flash the edited qcn into your device. Flashing someone else's modemst1/2 is not a good idea for you or them. Which is why you don't find tons of modemst1/2 files all over xda for people to flash and unlock their phones with. No idea if this works on your device.
You can read more about it here:
https://www.reddit.com/r/Xiaomi/comments/903k2v
Appreciative said:
Modemst1/2 are unique to your device. Deleting them was not a good idea. This isn't really fair to blame the tmobile variant for this. You said it was previously unlocked. If your phone was globally unlocked and you deleted the modemst1/2, you'd still have a problem as it holds more than lock/unlock status. It has your imei1/2 and more. I believe it's tied to your hardware serial ID as well
What does your imei show right now when you do *#06# in dialer? If 0, use qualcomm tool to set imei back to normal.
You may be able to extract a valid modemst1/2 from efs/fsg. Using dd to pull efs and flashing that back in or causing efs to repair itself, then maybe or maybe not need using qpst to set your imei back to what it was. Then unlock the sim again.
There's a method I've read about is using qualcomm's tools and a valid qcn. Samsung qpst. But I don't know if it works for OP9!
You get a known good qcn and edit it, then use qualcomm tools to flash the edited qcn into your device. Flashing someone else's modemst1/2 is not a good idea for you or them. Which is why you don't find tons of modemst1/2 files all over xda for people to flash and unlock their phones with. No idea if this works on your device.
You can read more about it here:
https://www.reddit.com/r/Xiaomi/comments/903k2v
Click to expand...
Click to collapse
I didn't delete the partitions but just erased them. You should know that IMEI is not stored in the modemst partition. Reflashing modemst partition from another tmobile unlocked phone should have fixed the problem but it is still there. This shiit would not have happened on the global model by erasinig modemst partition. My sim is detected but the phone is network locked by t-mobile and the unlock app is not working.
I know how to repair IMEI. SIM Unlock app isn't working with any IMEI including the original IMEI written on the back of phone.
Erasing the modemst1, modemst2 partitions did nothing except fcking up the network unlock. My IMEI , serial number etc is not changed by doing anything to the modemst1,modemst2 partitions. Even after flashing those partitions that @rizzmughal gave me, it didn't change any device information.
rizzmughal said:
There is one solution for network unlock try root and use magisk module to fix data dual sim bug that works even in network locked devices
Click to expand...
Click to collapse
Just tried that magisk module but it didn't work. So I guess will have to sell phone now. TMOBILE is such a nightmare. And that guy @Appreciative is now haha reacting because I told him he is wrong about modemt1,2 partitions lol.
VioletPotato said:
Just tried that magisk module but it didn't work. So I guess will have to sell phone now. TMOBILE is such a nightmare. And that guy @Appreciative is now haha reacting because I told him he is wrong about modemt1,2 partitions lol.
Click to expand...
Click to collapse
Module will work on oos 12 c6x firmwares
VioletPotato said:
it didn't change any device information.
Click to expand...
Click to collapse
It clearly changed something with sle exchange.
As for the rest, maybe so man. I'm not an expert at modemst1 like you are. I haven't ever been expert enough to erase them without a backup either. I'm going by the dozens of reports I've read online and in documents that say modemst1/2 are tied to a hwID, contain imei information, bands and control more than just lock and unlock status.
I guess your experience is great news for the community, we can all share unlocked modemst1/2s and our phones will be unlocked. Oh yeah, how's that working out for you?
There is an initial exchange that takes place when you boot and open the RSU (sim unlock app built in) that sends a registration to tmobile. If you've changed something without rebooting, reboot and open it again to send a new registration request.
You can https log this initial registeatiom request and the attempted unlock request that's failing to see what is being sent over https and see if it's recognizing your imei as it's part of the exchange outbound and inbound.
You will need some method of monitoring https traffic to see that. Burp, fiddler, canary etc. I will include an edited screenshot of what the exchange will look like so you know what to look for if you decide to try it.
Thread closed at OP's request.