I got a modified v60 base on verizon model (impl=0), but the radio is off. I thought maybe someone restore other model’s qcn backup into it. ( treat it as a Korean test devices).
I need vm qcn backup to have a try. Maybe it will work ? Who knows.
To open Verizon devices hidden menu , type "##7764726600" + code 000000 , to able PORT CHECK TEST, then you can backup your qcn via qcn backup tools.
qcn tool
There is a app you download google it mine works on Verizon. You do know you have to use headphones right.
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Hello all SGS3 users.
I have a strong issue on my branded Samsung I9300. When I browse the /efs folder (with Root Explorer for example), I notice a strange thing.
Two files are changed every hour (the date and the time). Revelant files are : nv_data.bin & nv_data.bin.md5
I know it's important files (including IMEI number and other important information). I have already make backup.
I said that my phone work properly with the right IMEI number, but I'm afraid to turn off my phone not to stop writing files.
Have you ever heard of this ?
Note : I use I9300XXBLG8/I9300OXABLG8 PDA/CSC. I have try to unlock my phone with Voodoo unlocker (thanks supercurio) with previous firmware. When I upgrade my phone to LG8 (and loose my unsimlock), I haven't try to fix Voodoo issue. I have the same network provider as the phone.
Note 2 : I'm sorry for my bad skill in english
just check on mine and it seems to do the same thing
It should come from the new samsung "feature" that make voodoo unlock useless for now
Do not be worry: I have turned my phone off a few times since I flashed LG8 without issue
Thank you for your reply.
If I can restard my phone without issue, it's a good news.
Can you just watch what happens in "nv.log". In my case, no record about it.
same thing: not listed in nv.log
I have upgrade my modem OTA (with the LH1 available today).
It does change this issue.
Others are in this situation ? (I think of guys who don't have try unlock their phones with software hacks)
lelinuxien52 said:
Hello all SGS3 users.
I have a strong issue on my branded Samsung I9300. When I browse the /efs folder (with Root Explorer for example), I notice a strange thing.
Two files are changed every hour (the date and the time). Revelant files are : nv_data.bin & nv_data.bin.md5
I know it's important files (including IMEI number and other important information). I have already make backup.
I said that my phone work properly with the right IMEI number, but I'm afraid to turn off my phone not to stop writing files.
Have you ever heard of this ?
Note : I use I9300XXBLG8/I9300OXABLG8 PDA/CSC. I have try to unlock my phone with Voodoo unlocker (thanks supercurio) with previous firmware. When I upgrade my phone to LG8 (and loose my unsimlock), I haven't try to fix Voodoo issue. I have the same network provider as the phone.
Note 2 : I'm sorry for my bad skill in english
Click to expand...
Click to collapse
As you have already stated in your post EFS folder contains important information such as IMEI number, Phone number and other details...the nv_data.bin file changes it size as the time passes... it is a known behaviour and is not a bug..backup your efs partition on to external medium and restore when required...
read this post.
http://forum.xda-developers.com/showthread.php?t=1314719
zoot1 said:
As you have already stated in your post EFS folder contains important information such as IMEI number, Phone number and other details...the nv_data.bin file changes it size as the time passes... it is a known behaviour and is not a bug..backup your efs partition on to external medium and restore when required...
read this post.
http://forum.xda-developers.com/showthread.php?t=1314719
Click to expand...
Click to collapse
Thanks for your answer. I have already make backup with Toolkit v4.0 and EFS Pro 1.8.
Dear friends.... is someone able to send me, or load somewhere, a copy or your Ulefone Be Pro NVRAM.BIN....I'm not sure it can help but could be useful because flashing a ROM I selected "format all" and now I've lost the NVRAM hidden partition where the IMEI codes and other important stuffs reside :crying:
I've alredy tried any existing system to write back the IMEI codes; using engineering mode AT command the phone answer me "the command is not allowed in userbuild" ...I don't really know what it means, the phone is rooted.... using MTKDroidTools I cannot see anything in the IMEI area so I cannot restore/backup IMIEI's....tried with SN Write Station tool, nothing....Maui META 3G ver 6.1316.1, nothing.....IMEI&SN Writer, nothing....
At the end could be that they don't work because the NVRAM partition has been lost....but I'm not so expert.
My actual solution is: copy the NVRAM folder, fortunately I've made a backup before, under /data/... and it works.... but the phone MUST be rooted and every time I make a full wipe, I lose everything.... any suggestions?!?
I need exactly same NVDATA.IMG, but for Ulefone power 2 , anyone can share it with me please
I have IMEI, MAC ... but SIM cant be registered to network and nearly all sensors does not work ...
Long story short, I have 2 of the Lenovo Vibe Z K910 dual sims phones. One got bricked while doing a update to a custom ROM. I was able to recover, but SIM1 slot wasn't working correctly. It would recognize the SIM card but seconds after booting it would go into "No service" state. So, using the QPST Software Download tool I did a backup of the working phones QCN info & restored it to the phone with the issue. Both SIMs worked!! But the IMEI for SIM1 slot & the mac addresses for WLAN & bluetooth are the same on both phones. I was able to use RF NV Manager to edit the QCN file with the correct IMEI info save it & restore to the phone. Now I just have DUP mac address for WLAN & bluetooth. I can do a "Restore QCN" via the Lenovo recovery menu, that gets the correct MACs but then the SIM1 slot doesn't work right again. I've looked through the QCN file with RF NV Manager to try to find it but must be missing it. Anyone know where in the QCN file I can edit the MACs? Or any other way to correct the MACs.
Thanks in advance
I am using a Japanese Valiant S23 Ultra (SCG20).
I made full use of alliance shield, etc. to activate Diag mode and made the connection with QPST.
QPST recognized it correctly, but when I connected EFS Explorer,
I got the error in the screenshot and could not get the contents of the NV.
Are you guys able to connect EFS Explorer? If so, what version is it?
Could it be that the QPST/EFS-software does not support the 8Gen2-chipset ?
I have not yet succeeded in reading EFS with EFS Explorer, does anyone have a solution?
The Japanese carrier version of Galaxy has a tradition that the docomo version can read EFS and the KDDI version cannot.
I believe there must be some solution to this problem as it is the same HW and the only difference is the ROM.
As you can see in the screenshot, the ESN is displayed but the Phone is unknonw.
If you have any information at all, please let me know!
So after looking everywhere for several months for someone generous enough to provide an original QCN backup file for my nonfunctioning Lenovo Legion Phone Duel 2 and having no luck at all, I decided to buy another **handset in hopes of helping someone out there who is desperately seeking to resolve the issue of having no cellular function and nondetection of equipped dual SIM cards.
Note: I have removed both of my personal **IMEI numbers for obvious reasons from the attached QCN backup file I have provided.
INSTRUCTIONS:
Step 1. Launch the Qualcomm IMEI Rebuilder aka "IMEIRebuilder.exe" application which I have included in the zip file that is attached to this How to guide below then click "open", now locate the QCN backup file "00000000.qcn" in the folder labeled, "Original QCN backup Lenovo Legion Phone Duel 2 12GB 256GB variant" which I have provided.
Step 2. Once the search window opens click on "00000000.qcn" then click on open then replace **IMEI 1: 111111111111111' and **IMEI 2: 222222222222222" with your original IMEI numbers then click on "REBUILD" and save your newly created QCN file to a folder on your Windows PC.
Note: If you have lost your original **IMEI numbers refer to your original box which should contain a labeled sticker containing both of your original 15-digit **IMEI numbers.
Step 3. Once you have completed steps 1 and 2, launch QFIL in "DIAGNOSTIC MODE"
refer to: https://forum.xda-developers.com/t/guide-backup-edit-and-restore-qcn-fixing-lost-imei.4101611/
This step is very important and necessary in order to restore your recovered QCN data back onto your Lenovo Legion Phone Duel 2 phone or Lenovo Legion Pro 2 so that you can send and receive calls again.
Step 4: At the top of the QFIL window click on "TOOLS", then navigate to "QCN Backup and Restore" a pop up window will appear then select "RESTORE". Please allow the QCN restore process to complete. Once it is done, simply power off your Lenovo Legion Phone Duel 2 phone and insert your sim cards then power on your **device. If done correctly, you will be able to use your Lenovo Legion Phone Duel 2 to send and receive calls again.
I do not own the Lenovo Legion Phone Duel 2 16GB/512GB variant so this procedure may or may not work for you but worth a try when there is little to no other solution available.
NOTE: The attached QCN backup file and instructions also apply to the Lenovo Legion Pro 2 (Chinese Variant)
"ATTENTION: THESE INSTRUCTIONS ARE PROVIDED FOR EDUCATIONAL PURPOSES ONLY: I will not be held liable for any damages caused to your **device **mobile phone by following these instructions. This procedure worked for me flawlessly but results may vary due to many factors not limited to user error. You acknowledge your risk and absolve me legally and financially from any and all potential loss/damage or undesirable behavior of your **equipment or **equipment in your possession by following these instructions and downloading the attached file electronically, through a third party, or any conceivable means known and unknown to obtain the attached file which I have provided in this thread."
** denotes Lenovo Legion Phone Duel 2 or Lenovo Legion Pro 2
@Malberd 's hero!
project_2501 said:
@Malberd 's hero!
Click to expand...
Click to collapse
I have already repaired my phone. There was a working QCN file at 4PDA.
Malberd said:
I have already repaired my phone. There was a working QCN file at 4PDA.
Click to expand...
Click to collapse
That's great but how many members have you shared this information with as in, the QCN you found? Because it isn't readily available on the internet and I am not sure why when it could help so many folks dealing with their damaged or missing QCN.