Messed With IMEI while Enjoying flashing? - Asus Zenfone Max Pro M2 Guides, News, & Discussion

IMEI number is a personal identifier and if gets corrupted you can loose working of SIM in those phone.
Why would it happen?
1. Probably you went High and cause your modem to get corrupted?
2. Or the Old way deleted/removed/ate away NV_RAM file of EFS partition
I CAN'T EMPHASIZE THIS ENOUGH BUT ALWAYS KEEP BACKUP OF YOUR EFS PARTITION​What should I do in case my mobile gets no sim card status?
+>Try changing ROM in case there is no IMEI in the About Phone section.
If problem persist
+> Install your modem again
Get NON-HLOS.bin file its located in firmware released by ASUS on our device, Unzip the firmware and then goto folder 'firmware' in that you can find NON-HLOS.bin​
fastboot flash modem NON-HLOS.BIN
Click to expand...
Click to collapse
fastboot erase modemst1
Click to expand...
Click to collapse
fastboot erase modemst2
Click to expand...
Click to collapse
fastboot continue
Click to expand...
Click to collapse
Advance user can do this TWRP, In case anyone need that ask me ? Otherwise I think this is best way to go for it? easy and simple
Reboot your phone.
it works? YESS? YAAAAAAY
no? WHAAAAAT? Congratulations messed up with IMEI
Let's fix it.
You need
1. Proper functioning and working brain
2. Your IMEI number for both SIM
3. A windows computer(I searched a lot for Linux alternative but its not available that's sad)
4. Download qcn file which will be prototype ( Get it from another post in this segment by @Vimal Vinz)
5. Download and install QPST from https://www.qpstflash.com/downloads/QPST_2.7.460.zip
unzip password => qpstflash.com
6. A hexadecimal editor tool ( in Linux use Ghex if you use GNOME , for Windows go for HexWorkshop )
7. Qualcomm Driver from here https://androidfilebox.com/tool/qualcomm-qdloader-hs-usb-driver-32-bit-64-bit/
8. Can't Resist to mention but please make sure that you have adb installed
9. Have rooted phone.
UPCOMING STEPS CAN LEAD YOU TO COMMIT CRIME AGAINST STATE IF YOU DON'T FOLLOW THEM PROPERLY BECAUSE CHANGING IMEI TO SOMETHING OTHER THAN WHAT YOU WERE ALLOTTED CAN LEAD YOU IN PRISON AND I AM NOT RESPONSIBLE FOR ANY OF YOUR ACTION​
Click to expand...
Click to collapse
Now what you need to do is:
1. goto .......Here.......... enter your IMEI and copy and paste the generated NV_RAM(hex) in some text editor FOR BOTH SIM
2. Open the "qcn" file in the prototype I gave in step 3 above in your favorite HEX editor
I wonder If I should say it again but please don't make mistake here otherwise you are a criminal *remembers Briteny Spears*​ save the file to a location.
3. Change build.prop file in your mobile located in /system
use any editor (try ES explorer maybe?) Find "ro.build.selinux " and set it value to "0"
reboot!!!!!!!
4. when phone opens up goto adb shell
su​
Click to expand...
Click to collapse
setprop sys.usb.config diag,adb​
Click to expand...
Click to collapse
5. Open Device manager and now you can see a Qualcomm Device
if now reinstall the Qualcomm Driver
6. Open QPST
Goto Ports Tab in QPST
If you can't see any port you can add it clicking on add new port located at left corner
After you can see ports goto "Start Client" menu in menu bar and in that select "Software Download"
Select port and qcn file (which you edited before ) and click on start button to start flashing !
And at last reboot your phone and the problem is SOLVED !
Want to support me?
UPI address : [email protected]
PayPal: paypal.me/TalentedTey
Thanks to Vimal Vinz fot qcn file.

Reserved (idk for what)

This work for Zenfone max pro M1 ?

how to repair serial no. after flashing with qfil firmware my serial no. changed to c4atas000000 and model no. changed to Z010D to Z010DD and now volte not working my phone is MSM8939
please help

Related

Rooting LG H735 G4 Beat

hi, tried to search everywhere but to no avail soo far.. does anyone knows if there is an existing root guide for LG G4 Beat? its sort of a diff model but there's no sub for it so i guess ill put it at here since its still under G4 family.. :/
Do you have Android 5.0 or 5.1 installed?
First of all. Before you start to try root, download the kdz file for your phone.
The kdz is needed if something went wrong (e.g. phone not booting).
You can use the LG Flash Tool to flash the kdz to a bricked phone.
Use this link with your IMEI:
Code:
http://csmg.lgmobile.com:9002/csmg/b2c/client/auth_model_check2.jsp?esn=IMEI
If it works, please post the download link for the "kdz".
Or better post the output too, but delete your IMEI!
Your link will only work if you type:
csmgdl.lgmobile.com/dn/downloader.dev?fileKey=
and then add the rest of your url instead of the given link.
It's worth trying. You need to get a partition layout. Then @autoprime will give a full command to run in DL mode for dumping the system image, and flashing it once it's been injected with root. I can inject it for you once you have the system.img dump.
I wrote an guide how you can extract the GPT and calculate the dd parameters:
[How to] Determine dd Parameters For All LG G4 Models
http://forum.xda-developers.com/g4/h...lg-g4-t3184867
Do you know how to work with linux?
Please post the outputs of gdisk into a HIDE and CODE tag. Thank you.
Maybe you are a advanced user and can Inject root yourself with the autoroot.sh method (Inject_Root_G4.zip)?
Or do you need help?
I think you have Android 5.1.1 installed, so it is not possible to use Kingroot to root your device. Is that right?
dominik-p said:
I wrote an guide how you can extract the GPT and calculate the dd parameters:
[How to] Determine dd Parameters For All LG G4 Models
http://forum.xda-developers.com/g4/h...lg-g4-t3184867
Do you know how to work with linux?
Click to expand...
Click to collapse
Wow, thanks for that guide! I've been trying to figure out how to find the right dd params forever.
tabp0le said:
Wow, thanks for that guide! I've been trying to figure out how to find the right dd params forever.
Click to expand...
Click to collapse
Pleasure.
I think some people also knew how to do it, but no one wanted to write a guide.
AND ALWAYS CONSIDER:
You can brick your phone if you don't know what you are doing.
Backup your files before you change anything.
i think i got the link for the KDZ.. but when i
dominik-p said:
Do you have Android 5.0 or 5.1 installed?
First of all. Before you start to try root, download the kdz file for your phone.
The kdz is needed if something went wrong (e.g. phone not booting).
You can use the LG Flash Tool to flash the kdz to a bricked phone.
Use this link with your IMEI:
[CODEcsmg.lgmobile.com:9002/csmg/b2c/client/auth_model_check2.jsp?esn=IMEI[/CODE]
If it works, please post the download link for the "kdz".
Or better post the output too, but delete your IMEI!
Your link will only work if you type:
csmgdl.lgmobile.com/dn/downloader.dev?fileKey=
and then add the rest of your url instead of the given link.
Click to expand...
Click to collapse
ok i think i did it correctly.. heres the link
downloader.dev?fileKey=FWDEYI0132FMAUI263CCLO1/H73510b_00.kdz (had to cut it short cuz forum would not let me post new link :/ csmgdl.lgmobile.com/dn/ was before 'downloader')
heres the output file..
<response req_cmd="auth_model_check" status="OK">
<auth_model_check><result>OK</result>
<esn>-----MYIMEI----</esn>
<model>LGH735</model><suffix>ASEATS</suffix><msn>508KPUU032390</msn><esn_date/>
<sw_version>H73510B_00</sw_version>
<sw_url>fileKey=FWDEYI0132FMAUI263CCLO1/H73510b_00.kdz</sw_url> pkg03.lime.gdms.lge.com/dn/downloader.dev?
<sw_locale_url/><sw_recommand_uri/><app_version/><app_url/>
<cs_em_flag>N</cs_em_flag>
<cs_em_uri>N</cs_em_uri>
<chip_type>EG</chip_type>
<prod_type>2</prod_type>
<buyer>SEA</buyer>
<file_name>H73510b_00.kdz</file_name>
</auth_model_check></response>
and yes its 5.1..
would be nice if theres a step by step guide cuz last phone i tired rooting was prolly galaxy tab and it was wayy easier :/
Ok, well done. Is 10b the same version as currently installed on your device?
Some other details would be interesting:
Do you have an unbranded device?
Where did you buy it / where do you live? (country)
Are you an advanced user? Do you know how to work with linux?
The next steps will be:
Calculate your dd parameters and backup your system partition into a img file. Read my guide:
[How to] Determine dd Parameters For All LG G4 Models
http://forum.xda-developers.com/g4/h...lg-g4-t3184867
Please post the outputs of gdisk into a HIDE and CODE tag.
Post your calculated dd parameters, so that we can verify it.
IMPORTANT: Keep the original (unchanged) system.img on your computer (zip it).
Then:
Copy the img file to a linux system and mount it. Create a testfile (test.txt) on the mounted system partition.
Copy the img file back to your phone and try to "dd" it back over your system partition.
Check if you see the testfile on your system partition.
If that worked you have successfully overwritten your system partition.
Then:
Try to inject root with the Inject_Root_G4.zip on your linux system.
Copy the new img file to your phone and "dd" it over your system partition.
Please ask if you are not 100% sure what to do.
You are responsible for what you are doing with your device.
Backup all your data (photos, videos, messages...) before going one step further.
dominik-p said:
Ok, well done. Is 10b the same version as currently installed on your device?
Some other details would be interesting:
Do you have an unbranded device?
Where did you buy it / where do you live? (country)
Are you an advanced user? Do you know how to work with linux?
The next steps will be:
Calculate your dd parameters and backup your system partition into a img file. Read my guide:
[How to] Determine dd Parameters For All LG G4 Models
http://forum.xda-developers.com/g4/h...lg-g4-t3184867
Please post the outputs of gdisk into a HIDE and CODE tag.
Post your calculated dd parameters, so that we can verify it.
IMPORTANT: Keep the original (unchanged) system.img on your computer (zip it).
Then:
Copy the img file to a linux system and mount it. Create a testfile (test.txt) on the mounted system partition.
Copy the img file back to your phone and try to "dd" it back over your system partition.
Check if you see the testfile on your system partition.
If that worked you have successfully overwritten your system partition.
Then:
Try to inject root with the Inject_Root_G4.zip on your linux system.
Copy the new img file to your phone and "dd" it over your system partition.
Please ask if you are not 100% sure what to do.
You are responsible for what you are doing with your device.
Backup all your data (photos, videos, messages...) before going one step further.
Click to expand...
Click to collapse
what do u mean 10b?
not really unbranded i guess? its a mid-tier version of the LG G4.. this is the phone.. http://www.lg.com/sg/mobile-phones/lg-G4-Beat
dont think its out at the US yet
bought it at Singapore as i recontacted my phone
nope i dont know how to use linux and im %100 not sure what to do :crying:
Ok so you are not a advanced user?
10b is the version of the kdz file. Goto Settings->Phone info->software version on your phone and post your software version.
First of all: It is not possible to root your phone without linux!
You don't have to install a linux on your computer (physically) but at least in an virtual environment (virtualbox, vmware player) or as a live distribution.
What you can do without linux is try to extract the GPT.
Which OS is installed on your computer (Win 7, 8, 10)?
Download the LG_Root.zip from
http://forum.xda-developers.com/android/development/guide-root-method-lg-devices-t3049772
It contains the Send_Command.exe
You need this tool to open a special console when your phone is in download mode.
Do you know this tool and how to enter the download mode?
dominik-p said:
Ok so you are not a advanced user?
10b is the version of the kdz file. Goto Settings->Phone info->software version on your phone and post your software version.
First of all: It is not possible to root your phone without linux!
You don't have to install a linux on your computer (physically) but at least in an virtual environment or as a live distribution.
What you can do without linux is try to extract the GPT.
Which OS is installed on your computer (Win 7, 8, 10)?
Download the LG_Root.zip from
http://forum.xda-developers.com/android/development/guide-root-method-lg-devices-t3049772
It contains the Send_Command.exe
You need this tool to open a special console when your phone is in download mode.
Do you know this tool and how to enter the download mode?
Click to expand...
Click to collapse
no im not an advanced user..
its software version is : V10b-SEA-XX
so i guess its a 10b?
im using windows 7 right now
Yes you have 10b installed now.
The XX means that it is unbranded.
SEA means southeast asia.
Win 7 is fine. Send_Command will work.
Download the zip from the above-mentioned thread.
Then:
Power off your device
When the device is powered off, hold volume up and insert a USB cable connected to the PC
Wait for the drivers to install
Click to expand...
Click to collapse
and follow the steps 7-9.
dominik-p said:
Yes you have 10b installed now.
The XX means that it is unbranded.
SEA means southeast asia.
Win 7 is fine. Send_Command will work.
Download the zip from the above-mentioned thread.
Then:
and follow the steps 7-9.
Click to expand...
Click to collapse
so i just download it, put it at desktop and skip all the methods till 6-9? do i have to enable developer mode before doing it?
No you don't need developer mode.
But it is no problem if you enabled it.
Are you able to open the console with Send_Command.exe?
dominik-p said:
No you don't need developer mode.
But it is no problem if you enabled it.
Are you able to open the console with Send_Command.exe?
Click to expand...
Click to collapse
i opened send_command.exe but it just closes back.. mine is at COM1 but idk how to change it
Update: it says NOTE: Do not attempt this on devices with 5.1.1 , at the time this method was posted it worked on many firmware 5.0.2 should i still go for it? im using 5.1.1
We won't follow the guide. We will do it like here:
http://forum.xda-developers.com/g4/orig-development/root-tmo-vzw-intl-variants-soon-root-lg-t3164765
(You will also find the thread is linked there.)
The thread is just a good help for the Send_Command tool.
You don't have to change the COM port.
Are you in download mode? Do you see the "Firmware Update" screen?
Use the ports.bat and note the "netdiag" COM port.
Inside of LG_Root folder hold shift and right click a blank space you should see "Open command window here"
Click to expand...
Click to collapse
Then enter:
Code:
Send_Command.exe \\.\COM#
Replace # with your number.
dominik-p said:
We won't follow the guide. We will do it like here:
http://forum.xda-developers.com/g4/orig-development/root-tmo-vzw-intl-variants-soon-root-lg-t3164765
(You will also find the thread is linked there.)
The thread is just a good help for the Send_Command tool.
You don't have to change the COM port.
Are you in download mode? Do you see the "Firmware Update" screen?
User ports.bat and note the "netdiag" COM port.
Then enter:
Code:
Send_Command.exe \\.\COM#
Replace # with your number.
Click to expand...
Click to collapse
Yup its in download mode i have the firmware update on my screen.. still to no avail i also installed LG driver and restarted.. opened send_command.exe it just closes back
or do i just enter the script after the # after special command? at because im now at this part http://i.imgur.com/fre9Z9l.png just that when i double-click send command it just closes back
dreamnoob said:
Yup its in download mode i have the firmware update on my screen.. still to no avail i also installed LG driver and restarted.. opened send_command.exe it just closes back
or do i just enter the script after the # after special command? at because im now at this part http://i.imgur.com/fre9Z9l.png just that when i double-click send command it just closes back
Click to expand...
Click to collapse
are you opening send command from the command prompt?
Do NOT double click on the Send_Command.exe
READ again:
Inside of LG_Root folder hold shift and right click a blank space you should see "Open command window here"
Click to expand...
Click to collapse
Then enter "Send_Command.exe \\.\COM#"
dominik-p said:
Do NOT double click on the Send_Command.exe
READ again:
Then enter "Send_Command.exe \\.\COM#"
Click to expand...
Click to collapse
oh okay means im on the right path..
so now i just do this as follows?
Type "id" and press enter (no quotes).
You should get back some text starting with "uid=(0)root gid=(0)root". If not, press CTRL-C, and do step 9 again (the application sometimes doesn't respond on the first command).
Run the command specified in the section below titled 'Commands to Run' to flash the rooted system image.
After a few minutes of sitting, you should get back a "#" prompt. This indicates the process has finished.
Type "LEAVE" (no quotes) and press enter. Your phone should reboot, and your phone will be rooted.

FIX [Desire 820s] invalid imei; Blank IMEI; WiFi NVRAM Warning

Invalid imei fix
NOTE this only works if your IMEI shows INVALID. If the IMEI is blank then follow the second post.
Switching between Lollipop and Kitkat firmwares in Desire 820s can sometimes result in invalid imei in system or when dialing *#06#
The best solution is to reflash your original firmare. However if you wish to stick to your current firmware then you can easily fix it with the following method:
This only works for invalid imei in system or in dialer and not in bootloader
What you need
Rooted Desire 820s
Download Root explorer from this link https://play.google.com/store/apps/details?id=com.speedsoftware.rootexplorer&hl=en
Now use root explorer and navigate to the root of your phone. You will get a folder named "data". Open in and inside it you will get a folder named "nvram". Rename "nvram" to "nvram_old" and then reboot your phone.
Your imeis should now be back
If you still have network problems
Open dialer
Dial *#*#4636#*#*
Select Phone information
Set preferred network type: choose GSM only. (It might change back to Unknown but keep on choosing GSM only until network appears, then you can choose another option)
Blank IMEI Fix
If your IMEI is blank when you type *#06# in dialer because you accidentally formatted the phone with SP Flash Tool then follow this:
(Only works on Kitkat firmware. So if you're on Lollipop you'll have to flash KitKat first)
1. First Install Gadget CDC VCOM drivers on your PC using this tutorial https://www.youtube.com/watch?v=9nCfN3bdayQ
2. Download NVRAM DB 820s file from here https://mega.nz/#!4DhgFQrC!vcS5n6tJb1yjjSISrAa0gtATyrmksCNMm0hSCn7hEMw
3. Download SN Write Tool from here https://mega.nz/#!IWxGmDba!UGFtSQUVOLrj1b9LhNdd-0JzuwOvbDuUelXwxYJJ7z8
4. Extract both of them
5. Open SN Write Tool folder and run SN Writer.exe as administrator
6. Let ComPort be USB VCOM and Target Type be Smart Phone
7. Click on system config
8. Under Write option tick IMEI (if Serial Number is also affected tick it as well)
7. Under IMEI option tick dual IMEI
9. Under DataBase File click on MD1_DB and navigate to the NVRAM DB 820s folder and choose the file named =>> BPLGUInfoCustomAppSrcP_MT6752_S00_MOLY_LR9_W1423_M D_LWTG_CMCC_MP_V1_P21_1_ltg_n
10. Then click on AP_DB and navigate again to the NVRAM DB 820s folder and choose the file named ==> APDB_MT6752_S01_KK2.MP13_
11. Click Save
12. Click Start
13. Insert the original IMEI 1 and IMEI 2 of your phone as shown on the box you bought your phone with and Click OK (If Serial Number is also affected type it here)
14. Switch off your Phone and connect it to the PC with a USB cable
15. Wait until it says PASS then reboot the phone
If you're still facing problems download this file https://mega.nz/#!ZaRzVCjD!bzN0oSo6ruujOOXHyt2NjpW54IFqfLrwO2yWpWALZ24
Install these drivers:
Gadget CDC VCOM Driver (most important)
MediaTek DA USB VCOM Port
MediaTek preloader USB VCOM Port
MediaTek USB Port
WiFi NVRAM WARNING: ERR 0x10 fix
What you need to perform the methods..??
1. A Rooted MTK device
2. Root Explorer.apk
3. Wifi Error Fix.rar
How to do this?
On Your Rooted device go to root Explorer
And navigate to File system root/
data/nvram/APCFG/APRDEB
There you will find two files named 1) WIFI , 2) WIFI_CUSTOM just simply delete these files
Now extract the files from the WiFi fix.rar
and move the extracted files to the previous (root/
data/nvram/APCFG/APRDEB) folder.
Reboot phone
Hi.
i tried many times but your bootloader unlocking method not work with mediatek devices. at least with mine .
when i reboot to bootloader, fastboot don't reconize any devices. When i reboot in download mode, fastboot work; but the code that it release isn't processable by htcdev website.
SniperSte said:
Hi.
i tried many times but your bootloader unlocking method not work with mediatek devices. at least with mine .
when i reboot to bootloader, fastboot don't reconize any devices. When i reboot in download mode, fastboot work; but the code that it release isn't processable by htcdev website.
Click to expand...
Click to collapse
To unlock bootloader for the unofficial d820ys flash these pgfs files with SP Flash Tool.
https://mega.nz/#!B90lRJ7D!APtZUcQJCRtO4HQa-XvfT5DazkNtKpnALJoybLx4ZjU
You rock thank you alot
Following
Still cannot rigester
I tried everything that was written
But nothing seems to get ok .
I'm on 4.4.4 kitKat I researched a bit and got my iemi
Back but still cannot register to the network please help
I cannot call or do anything...
Thanks.....:crying::crying:
ASH8725 said:
I tried everything that was written
But nothing seems to get ok .
I'm on 4.4.4 kitKat I researched a bit and got my iemi
Back but still cannot register to the network please help
I cannot call or do anything...
Thanks.....:crying::crying:
Click to expand...
Click to collapse
I will post a guide for those who have formatted their phones with SP Flash Tool
I got it
Gibz97 said:
I will post a guide for those who have formatted their phones with SP Flash Tool
Click to expand...
Click to collapse
it's simple for nvram fix just follow
From the top but for the imei got to mtk tools
Use mobileuncle app or mtksettings open engineering
Go to cds information then radio informtion then
Select you sim then type AT +EGMR=1,7," put your imei"
Remember put your phones imei from the box..cheers
Gibz97 said:
Invalid imei fix
Switching between Lollipop and Kitkat firmwares in Desire 820s can sometimes result in invalid imei in system or when dialing *#06#.
The best solution is to reflash your original firmare. However if you wish to stick to your current firmware then you can easily fix it with the following method:
This only works for invalid imei in system or in dialer and not in bootloader
What you need
help please no of above worked in my fon desire 820s dual sim imei invalid no signal i dont have back up and no box of fon i dont know imei also help
---------- Post added at 11:42 AM ---------- Previous post was at 11:40 AM ----------
ASH8725 said:
it's simple for nvram fix just follow
From the top but for the imei got to mtk tools
Use mobileuncle app or mtksettings open engineering
Go to cds information then radio informtion then
Select you sim then type AT +EGMR=1,7," put your imei"
Remember put your phones imei from the box..cheers
Click to expand...
Click to collapse
i dont have box and i dont know my imei please help.
Click to expand...
Click to collapse
help
Gibz97 said:
I will post a guide for those who have formatted their phones with SP Flash Tool
Click to expand...
Click to collapse
no mtk engineering mode
tried sn writer tool
mtk droid tools
nothing seems to work on htc desire 820s lollipop..
help please:crying::crying::crying::crying::crying::crying:
ASH8725 said:
no mtk engineering mode
tried sn writer tool
mtk droid tools
nothing seems to work on htc desire 820s lollipop..
help please:crying::crying::crying::crying::crying::crying:
Click to expand...
Click to collapse
Please read the second post of this thread
Help me a little bit please please please
I also flashed my phone with sp flash tool. and mistaken ly chose delete all plus download mode. So I have ann empty imei. I have box and real Imei. and my phone is rooted also. but mtk engineering mode apk not working to change imei. Is there any way to change Imei via phone or without flashing a kitkat rom? my current rom is 5.0.1 please help me ?????
ASH8725 said:
no mtk engineering mode
tried sn writer tool
mtk droid tools
nothing seems to work on htc desire 820s lollipop..
help please:crying::crying::crying::crying::crying::crying:
Click to expand...
Click to collapse
Try Chamelephon apk to edit the IMEI
guys i changed my IMEIs easily after searching for 5 hours ... .. use king root to root your phone .. download it from google play or from the web in .apk format and transfer it to your mobile then install and bypass the security warning .
then download this app from google store : chamelephon .. it will allow you to change your IMEIs and then your sims will work again ISA
download links are no longer available
Gibz97 said:
Blank IMEI Fix
If your IMEI is blank when you type *#06# in dialer because you accidentally formatted the phone with SP Flash Tool then follow this:
(Only works on Kitkat firmware. So if you're on Lollipop you'll have to flash KitKat first)
1. First Install Gadget CDC VCOM drivers on your PC using this tutorial https://www.youtube.com/watch?v=9nCfN3bdayQ
2. Download NVRAM DB 820s file from here https://mega.nz/#!N9NB3QDJ!3aoNxm1QjkG93ZHedP-ZhbhkVuL-ZVwWULLhUE7Ritw
3. Download SN Write Tool from here https://mega.nz/#!lxcBWKIZ!1SZVDXoLhlswY24OFFBzowHUN-wHBYPOXOhgoSIshB4
4. Extract both of them
5. Open SN Write Tool folder and run SN Writer.exe as administrator
6. Let ComPort be USB VCOM and Target Type be Smart Phone
7. Click on system config
8. Under Write option tick IMEI (if Serial Number is also affected tick it as well)
7. Under IMEI option tick dual IMEI
9. Under DataBase File click on MD1_DB and navigate to the NVRAM DB 820s folder and choose the file named =>> BPLGUInfoCustomAppSrcP_MT6752_S00_MOLY_LR9_W1423_M D_LWTG_CMCC_MP_V1_P21_1_ltg_n
10. Then click on AP_DB and navigate again to the NVRAM DB 820s folder and choose the file named ==> APDB_MT6752_S01_KK2.MP13_
11. Click Save
12. Click Start
13. Insert the original IMEI 1 and IMEI 2 of your phone as shown on the box you bought your phone with and Click OK (If Serial Number is also affected type it here)
14. Switch off your Phone and connect it to the PC with a USB cable
15. Wait until it says PASS then reboot the phone
If you're still facing problems download this file https://mega.nz/#!MoMEWRqA!57djmSN3BOimherVGBH3RxrmitdE0XJMwEcny_5wmwc
Install these drivers:
MediaTek DA USB VCOM Port
MediaTek preloader USB VCOM Port
MediaTek USB Port
Click to expand...
Click to collapse
pls i need NVRAM DB 820s folder & SN Write Tool ,download links are expired :crying:
bishoy ashraf said:
pls i need NVRAM DB 820s folder & SN Write Tool ,download links are expired :crying:
Click to expand...
Click to collapse
I will update them in the next 5 hours
Links updated
need file for unlock bootloader.
link dead

Steps to recover IMEI using qcn

How does one change the IMEI?
I've tried this without success:
1. Root your device
2. Download and install QSPT and UltraEdit (HxD would also do).
3. Download an IMEI converter.
4. Get hold of a working qcn (I used my own which I know works in my other P2). Open the file by using Ultraedit/HxD and try to locate the IMEI. In my case it often starts with "08 8A...".
5. Use the IMEI converter and input your true IMEI. Memorize the output.
6. Return to the qcn file. Write it over with the IMEI output you got in step 5.
7. Save the file.
8. In a terminal enter:
su
setprop sys.usb.config rndis,diag,adb
9. Restore the qcn file from step 7 by using QSPT. You click on QPST configuration and go to "ports". If your port isn't already visible go to the device manager, look up the Qualcomm Diag port and add it. For me I believe it's COM9. Now you click on "start clients", then "software download". Tick the "Allow phone/file ESN mismatch", locate your saved qcn file and start restoring it.
10. All done. Reboot!
Apparently some XDA members managed to get their signal back once the modem was deleted so I guess somebody should know.
Other methods I've tried include flashing stock MM and installing OTA until you're on S251 as well as restoring an older full TWRP backup from when your signal used to work. Needless to say, they didn't work.
This procedure worked for me. Lenovo K6 Power with Qualcomm proc.
Successfully I found other users qcn file and wrote my IMEI in it.
Signal is back but diag port disappeared and I can't turn it on again.
WhatsApp me or call me 8436243173
WHERE CAN I GET THIS QNCN ? I'm confused
I had same problem, here are my steps with qcn backup file from working P2. My IMEIs stays right. Sorry for my english and here is my link and read next threads from that forum.
https://forum.xda-developers.com/showpost.php?p=73444145&postcount=70
mL-7 said:
This procedure worked for me. Lenovo K6 Power with Qualcomm proc.
Successfully I found other users qcn file and wrote my IMEI in it.
Signal is back but diag port disappeared and I can't turn it on again.
Click to expand...
Click to collapse
Have K6 power with IMEI turned 0 after fastboot erase modemst1 and 2. Could you please detail the steps to restore IMEI?

[IMEI] [FIX] [Noob] [Friendly]

Overview ​
Now, I have seen many people facing problems like lost IMEI or NVRAM warning in their wifi list! Well, these are normal errors when you often flash a custom and wiped system or update using SP Flash Tools. So fix isn't that hard! But still, many people suffer from this! Now, this guide is applicable for every device(MTK) but BPLGU modem file will vary from device to device. I have specially made this guide for Lenovo Vibe K4 Note users!:laugh:
WARNING !!! IMEI CHANGING IS ILLEGAL. THIS GUIDE ONLY HELPS YOU HOW TO RESTORE ORIGINAL IMEI OF YOUR DEVICE! I DONT TAKE ANY RESPONSIBILITY OF ANY ILLEGAL ACTION TAKEN AGAIN YOU! BE AWARE IF YOU ARE NOT SURE FOR WHAT IMEI IS USED FOR ALSO I DONT TAKE ANY RESPONSIBILITY OF DEAD DEVICES/ BRICKS! PLEASE DO SOME RESEARCH IF YOU ARE NOT AWARE OF ANYTHING. HOWEVER, THIS GUIDE WILL HELP YOU DEAL WITH THINGS, IF YOU READ CAREFULLY AND FOLLOW INSTRUCTIONS THEN YOU DONT NEED TO WORRY ABOUT ANYTHING!
Click to expand...
Click to collapse
So lets fix it up !
Required stuffs !
Windows PC (7/8/8.1/10)
Usb Cable
Few tools
Drivers
Your device, ofc !
Download Section !​
1. Scatter files !
2. MauiMETA
3. Temoprary IMEI fix.zip​
Now before we start doing anything make sure you download everything from the download section. Also, make sure your device is having TWRP installed.
Process !​
Now most of you must have thought hey Max where is NVRAM fix? There was nothing about NVRAM in title Well chill down I will target NVRAM NOW !! So let us begin! Now as you have downloaded entire scatter files so NVRAM needs entire scatter files. "Woosh! Thank god it was useful somehow" most of you must have thought Hehehe Well one more thing if you are using permanent NVRAM fix then use it before you flash IMEI or else you lose it again if you fix NVRAM after IMEI. However, a temporary fix can be flashed later on.
* Now navigate to the firmware folder
* Look for scatter file open it in notepad or notepad ++
* There look for this line, "partition_name: NVRAM"
* There you will also notice, "s_download: false"
* Just change it to, "s_download: true"
* Save and exit!
* Open Sp flash tools and load scatter file(Remember a thing, you will have to use an older version of SP Flash Tools)
* You will see checkbox of NVRAM just choose it and keep rest options unchecked!
* Flash into your device and all set!
NVRAM IS FIXED PERMANENTLY :good:
But now for those who are lazy doing this, there is a temporary zip file which you can flash and NVRAM problem will be fixed for a limited time to do so just go to download section and download temporary fix zip file and flash it into TWRP (Yes, that's why we needed TWRP):angel:
Now before we start doing anything make sure you download everything from the download section. Also, make sure your device is having TWRP installed. (YES AGAIN MAKE SURE YOU HAVE EVERYTHING)
• After that, run Maui META 3G
• Use USB COM
• From Options menu, select “Connect smartphone in meta mode”.
• Press Reconnect and connect the phone in the switched off state.
• Wait for a minute. Your Device automatically boots into meta mode. The blinking led will become yellow and you can see "connected with target"
• Now from the drop-down menu select “IMEI download”. Click ok till you see IMEI download box.
• Click Change NVRAM Database FIle and browse to “MT6753 DB” folder and select the following file.
File\MT6753\
BPLGUInfoCustomAppSrcP_MT6753_S00_K5_ROW_LWG_V56_ 1_lwg_n (BPLGU modem file for mt6753, do a double check as the name might change with firmware versions).
[Well I have not extracted this file yet from stock ROM scatter files. However, I have given you the download link of entire stock ROM look the file there itself !]
• Click ok on any warning.
• Leave IMEI Increasemnt 0.
• Write first 14 digits of your IMEI in IMEI box and last 15th digits will go in checksum(should be entered automatically). Eg:- if IMEI is 123456789123456, write 12345678912345 in IMEI and 6 in the checksum. Do same for Sim_2
[Now most of you must be wondering where is my IMEI. I don't remember it and also it's not there in the list. Don't worry pull your back cover and you will see IMEI sticker there just type the same IMEI]
• Press Download To Flash. You will see Download IMEI flash successfully. Now close the box (or alt+f4 or close from task manager if stuck).
• Restart the phone
• Open Dialer and type *#06# and you will get your valid IMEI number.
* Well if you saw the same IMEI then you are done !!! :good:
Credits : Yaas !! Why not ?
meprakash_pyc
Sahil_Sonar
KM (One who made NVRAM fix for lazy people :silly
If this post was helpful to you just hit :good: below my posts !
Drivers ?
Hey Maxx where are our drivers? Well, come on relax as you have downloaded scatter files all the drivers are there you can additionally get extra drivers from my https://forum.xda-developers.com/k4-note/how-to/bootloader-unlock-t3846902 another post [/url] Yes the same one! TWRP one! I have added ADB Drivers there follow the same process also there is a manual how to install drivers same is applicable for these drivers!
after loading that modified scatter file, it says that it should not be treu value
yes bro, after modifying scatter file, flash tool wont allow to load it. im hoping this will fix my wifi issue.
royskeyz said:
yes bro, after modifying scatter file, flash tool wont allow to load it. im hoping this will fix my wifi issue.
Click to expand...
Click to collapse
Actually, I have tested this thing on my own device... No idea what's wrong with you. You can also try notepad c++
jaskoooo said:
after loading that modified scatter file, it says that it should not be treu value
Click to expand...
Click to collapse
royskeyz said:
yes bro, after modifying scatter file, flash tool wont allow to load it. im hoping this will fix my wifi issue.
Click to expand...
Click to collapse
Try older version of SPFT.
I've downloaded your drivers and tried many other drivers,None worked,Please help me.With the drivers i have im able to Flash stock through SP,Device gets detected too,But i dont know y its not working for this tool or SN writer..This is the error im getting..Communication through either RS232 or IPC error,Please reconnect..
JaSomTy said:
Try older version of SPFT.
Click to expand...
Click to collapse
Exactly!
where is nvrm file 's ?
where is nvrm file 's ?
Can anyone tell which version of sp tool worked for them? that would really really be helpful
Edit: Files are no longer available on google drive

Getting access to recovery combination(FTM mod)

* I'm not responsible for bricked devices, dead SD cards, thermonuclear war, or you getting fired because the alarm app failed (like it did for me...).
* YOU are choosing to make these modifications, and if you point the finger at me for messing up your device, I will laugh at you.
* Your warranty will be void if you tamper with any part of your device / software.
Click to expand...
Click to collapse
This is instruction is for carrier devices that have disabled button combo's.
Prerequisites:
1) Knowledge
2) Unlocked bootloader
3) Write down your IMEI and SN somewhere
4) QPST
How to check NT Code:
1) In dialer call *#546368#*model#. Put your model number instead 'model'. Example *#546368#*500# for V500N
2) Go SVC Menu -> Version info.
3) Write down your NT Code
Booting into EDL mode:
1) Plug in your turned on phone to PC
2) Press and hold Power+Volume Down
3) As soon as your screen is blank, rapidly start pressing Volume Up.
4) If you've successfully booted into EDL, your screen will be completely blank and the device manager will show (Under COM Ports): Qualcomm HS-USB QDLoader 9008
Backing up stock FTM:
1) Open QFIL
2) Select build type - Flat build
3) Storage type - UFS (Right corner at the bottom)
4) Programmer path - choose firehose that you downloaded from attachments
5) Go Tools->Partition Manager->OK
6) Press right mouse button at FTM -> Manage Partition Date -> Read Data
7) Look for backup folder in log and copy your ReadData*.bin file into another folder. Rename it to make it easier
Modifying FTM:
1) Download and install HxD from attachments
2) Download and open ftm_v50_mod.bin
3) At the offset 0000D000 put your IMEI. You won't miss it, you'll see IMEIIMEIIMEIIME at decoded side)
4) At the offset 00012000 put your SN. You won't miss it, you'll see SNSNSNSNSNSNSN at decoded side)
5) At the offset 00014000 put your NT code's last number instead of both 'xx' at decoded side
6) Flash it back. Repeat steps of backing up part, but this time choose Load Data instead of Read Data then pick your modified file.
Congrats! You get back recovery button combo
People who helped me with that:
vl48
@SGCMarkus
@Awesomeslayerg
yulbax said:
This is instruction is for carrier devices that have disabled button combo's.
Prerequisites:
1) Knowledge
2) Unlocked bootloader
3) Write down your IMEI and SN somewhere
4) QPST
How to check NT Code:
1) In dialer call *#546368#*model#. Put your model number instead 'model'. Example *#546368#*500# for V500N
2) Go SVC Menu -> Version info.
3) Write down your NT Code
Booting into EDL mode:
1) Plug in your turned on phone to PC
2) Press and hold Power+Volume Down
3) As soon as your screen is blank, rapidly start pressing Volume Up.
4) If you've successfully booted into EDL, your screen will be completely blank and the device manager will show (Under COM Ports): Qualcomm HS-USB QDLoader 9008
Backing up stock FTM:
1) Open QFIL
2) Select build type - Flat build
3) Storage type - UFS (Right corner at the bottom)
4) Programmer path - choose firehose that you downloaded from attachments
5) Go Tools->Partition Manager->OK
6) Press right mouse button at FTM -> Manage Partition Date -> Read Data
7) Look for backup folder in log and copy your ReadData*.bin file into another folder. Rename it to make it easier
Modifying FTM:
1) Download and install HxD from attachments
2) Download and open ftm_v50_mod.bin
3) At the offset 0000D000 put your IMEI. You won't miss it, you'll see IMEIIMEIIMEIIME at decoded side)
4) At the offset 00012000 put your SN. You won't miss it, you'll see SNSNSNSNSNSNSN at decoded side)
5) At the offset 00014000 put your NT code's last number instead of both 'xx' at decoded side
6) Flash it back. Repeat steps of backing up part, but this time choose Load Data instead of Read Data then pick your modified file.
Congrats! You get back recovery button combo
People who helped me with that:
vl48
@SGCMarkus
@Awesomeslayerg
Click to expand...
Click to collapse
For correct work in my LMV500EM need repeat NT code's last number in offset 00014020 - where was "xx"
It can't use for imei recording, please don't try imei recording, imei won't work
I can enter fastboot after flash different Android version kernel
Mr.PvT said:
It can't use for imei recording, please don't try imei recording, imei won't work
Click to expand...
Click to collapse
This guide was not for changing IMEI, read article. If you won't write down your imei you'll lose your reception
can fix imei 0??
yulbax said:
How to check NT Code:
1) In dialer call *#546368#*model#. Put your model number instead 'model'. Example *#546368#*500# for V500N
2) Go SVC Menu -> Version info.
3) Write down your NT Code
Click to expand...
Click to collapse
This does not make NT code available in Verizon LM-V450VM.
I can get a Hidden Menu using **228378 but it does not have "Version info"
Any ideas?
can you help me fix CSN v500n =((
i'm try but not working
Hello. I have a lg v60 att mobile, I crossflahed it with android 12 v30c, everything worked fine, only there was no nt code. I decided to flash pdm with lg up and it stuck on blue screen. Then I put it into Qualcomm 9008 mode and accidentally deleted all the files. Then they restored it with medusa pro direct v30c eu and now I have no baseband imei and serial number. Can anyone help ?
can you please explain what last part xx of NT Code means? My version Info keeps crashing but shows should be implemented. I took a screen of startup nt mismatch. I read somewhere this info can be used. Should or could I copy and paste from a different ftm file that doesn't have error? I see 15 listed in the ftm that gives no error and "15" listed in one that gives error. I did notice that the bands are available in the error one and not in the no code throwing nt code ftm file.
No Error Code has :
"15","310,410,FFFFFFFF,FFFFFFFF,FF","310,150,FFFFFFFF,FFFFFFFF,FF","310,170,FFFFFFFF,FFFFFFFF,FF","311,180,FFFFFFFF,FFFFFFFF,FF","310,560,FFFFFFFF,FFFFFFFF,FF","310,030,FFFFFFFF,FFFFFFFF,FF","310,280,FFFFFFFF,FFFFFFFF,FF","310,950,FFFFFFFF,FFFFFFFF,FF","313,100,FFFFFFFF,FFFFFFFF,FF","312,670,FFFFFFFF,FFFFFFFF,FF","313,110,FFFFFFFF,FFFFFFFF,FF","313,120,FFFFFFFF,FFFFFFFF,FF","313,130,FFFFFFFF,FFFFFFFF,FF","313,140,FFFFFFFF,FFFFFFFF,FF","901,44F,FFFFFFFF,FFFFFFFF,FF"
FTM With Error Code has:
"15","310,260,FFFFFFFF,FFFFFFFF,FF","310,310,FFFFFFFF,FFFFFFFF,FF","310,490,FFFFFFFF,FFFFFFFF,FF","310,660,FFFFFFFF,FFFFFFFF,FF","310,800,FFFFFFFF,FFFFFFFF,FF","310,200,FFFFFFFF,FFFFFFFF,FF","310,210,FFFFFFFF,FFFFFFFF,FF","310,220,FFFFFFFF,FFFFFFFF,FF","310,230,FFFFFFFF,FFFFFFFF,FF","310,240,FFFFFFFF,FFFFFFFF,FF","310,250,FFFFFFFF,FFFFFFFF,FF","310,160,FFFFFFFF,FFFFFFFF,FF","310,270,FFFFFFFF,FFFFFFFF,FF","310,120,FFFFFFFF,FFFFFFFF,FF","312,530,FFFFFFFF,FFFFFFFF,FF"
Thanks in advance
rikita said:
This does not make NT code available in Verizon LM-V450VM.
I can get a Hidden Menu using **228378 but it does not have "Version info"
Any ideas?
Click to expand...
Click to collapse
none of the secret codes work on my device. How to check NT Code ?
o i fix nt but have imei 0
chauduc1113 said:
может исправить imei 0??
Click to expand...
Click to collapse
chauduc1113 said:
can fix imei 0??
Click to expand...
Click to collapse
did you manage to fix imei?
Model LM-V500EM. After upgrading from V500EM20q_00_OPEN_EU_OP_0318 to V500EM30b_00_OPEN_EEA_OP_1025 disappeared Serial No. and NT code. I had backup ftm from V500EM20q. According instruction "Modifying FTM" below copied Serial No. and NT code from ftm V500EM20q to ftm V500EM30b. For me copied NT code was "1","FFF,FFF,FFFFFFFF,FFFFFFFF,19" Now it's all right.

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