[q] [help] imei null - how to fix - LG Optimus G (International)

When i put on the chip, the IMEI set to NULL
I've already tried many ways to fix this, but no success...
Please, someone help me!
I don't want to lost my optimus G!
thanks

You should restore your imei with your EFS backup...have you unlock with freegee or you are completely stock and have never touched nothing?
Sent from my LG-F180K using XDA Free mobile app

Sorin90 said:
You should restore your imei with your EFS backup...have you unlock with freegee or you are completely stock and have never touched nothing?
Sent from my LG-F180K using XDA Free mobile app
Click to expand...
Click to collapse
first of all thanks by your attention!
I do not have a backup...
i don't know what to do...
i've unlocked with freegee many times...
but this time i got this problem!

renanreno said:
first of all thanks by your attention!
I do not have a backup...
i don't know what to do...
i've unlocked with freegee many times...
but this time i got this problem!
Click to expand...
Click to collapse
Retrieve IMEI in your LG Optimus G in case of not make previous backup
The method I describe below was developed for LG G2 but has been tested successfully in the Optimus G so it's perfectly useful:
Requirements:
- The mobile must have the Stock ROM (4.1.2 or 4.4.2).
- Download Tool QSTP:
https://mega.co.nz/#!2phwmYhY!DXozTvsU4pDD5PKJcYWnuC5nKQEA0skuFeN-90dFjQU
- Download Tool IMEI Converter:
https://dl.dropboxusercontent.com/u/84115590/IMEI-Converter.zip
Steps:
1 Unzip the tool IMEI Converter to a folder:
2 Unzip tool QPST 2.7_build_4.11 in a folder and run the installation file (Setup) to install on your computer:
3 Now on the phone to enable USB Debugging. If you do not know how you can find this option in the Settings> Developmet Options>USB debugging and activate.
5 Connect the device to your computer.
6 Run the QSPT, to set it up you are clicking on the PORTS tab, then click on the ADD NEW PORT option.
7 The current port as should COM4 or 5. Note: If you do not recognize these ports any port try to recognize the phone or another PC in the latter case.
8 Select the port and click OK. The port should show the active phone.
9 Select the phone (APQ8064) and click the Download Software option from the Start Clients menu.
10 Now give click the Backup tab. It should show the phone port.
11 Click the Start tab to start doing the backup.
12 Now find the folder named BIN located in the path:
C:/program files/Qualcomm/QSPT/, open the BIN folder and execute the file RF_NV_Manager
13 Click in File> Read from phone. The IMEI number of the phone should appear in item number 550: NV_UV_IMEI_1
If you appear get an error
14 They select OK and then click on File> Read RF NVitems supported.
15. Click on item 550. Should be displayed 9 boxes in white (empty).
16 Now run the file IMEIConverter.exe
17 Then write your IMEI (15 digits) in the Enter IMEI field. If you do not know what they find in the phone box, in some models even Optimus G is glued on the back thereof, or in the phone bill.
*** - Then click on the button <CONVERT IMEI>.
** - 18 Should appear two groups of 9 digits
18. In the program RF_NV_Manager activated the Hex box
19 Now 9 boxes appear, type the numbers generated IMEI Convert starting from the left, should be written in each box two digits consecutively until the 9 squares remain full.
20 Once the 9 squares are filled correctly you have to go to Setting option> comport> and select the port to which you are connected again and give OK
21 Select the Write NV tab.
22 Then click File> Readfrom phone.
The item number 550 should now appear.
24 Disconnect the USB cable and restart the phone.
25 Open the dialer (phone dialer) dial *#06# You should display the IMEI of your phone and the phone should be connected to the carrier signal without problems.
Important Note:
- If you give Error in step 13 run again and Method in step 13 before you dial them run error step 20.
Good luck and any thing sending me a message and i help. :good:

whit efs profesional is more easy

syverman said:
whit efs profesional is more easy
Click to expand...
Click to collapse
I do not know the method you mentioned, but in any case I have already given an effective alternative for him to solve your problem, since no one has helped so far.

Milos Rea said:
Retrieve IMEI in your LG Optimus G in case of not make previous backup
The method I describe below was developed for LG G2 but has been tested successfully in the Optimus G so it's perfectly useful:
Requirements:
- The mobile must have the Stock ROM (4.1.2 or 4.4.2).
- Download Tool QSTP from this Post:
http://forum.xda-developers.com/showthread.php?t=1942417
- Download Tool IMEI Converter from this Post (item 2):
*http://forum.xda-developers.com/showthread.php?t=2701861
Steps:
1 Unzip the tool IMEI Converter to a folder:
2 Unzip tool QPST 2.7_378 in a folder and run the installation file (Setup) to install on your computer:
3 Now on the phone to enable USB Debugging. If you do not know how you can find this option in the Settings> Developmet Options>USB debugging and activate.
5 Connect the device to your computer.
6 Run the QSPT, to set it up you are clicking on the PORTS tab, then click on the ADD NEW PORT option.
7 The current port as should COM4 or 5. Note: If you do not recognize these ports any port try to recognize the phone or another PC in the latter case.
8 Select the port and click OK. The port should show the active phone.
9 Select the phone (APQ8064) and click the Download Software option from the Start Clients menu.
10 Now give click the Backup tab. It should show the phone port.
11 Click the Start tab to start doing the backup.
12 Now find the folder named BIN located in the path:
C:/program files/Qualcomm/QSPT/, open the BIN folder and execute the file RF_NV_Manager
13 Click in File> Read from phone. The IMEI number of the phone should appear in item number 550: NV_UV_IMEI_1
If you appear get an error
14 They select OK and then click on File> Read RF NVitems supported.
15. Click on item 550. Should be displayed 9 boxes in white (empty).
16 Now run the file IMEIConverter.exe
17 Then write your IMEI (15 digits) in the Enter IMEI field. If you do not know what they find in the phone box, in some models even Optimus G is glued on the back thereof, or in the phone bill.
*** - Then click on the button <CONVERT IMEI>.
** - 18 Should appear two groups of 9 digits
18. In the program RF_NV_Manager activated the Hex box
19 Now 9 boxes appear, type the numbers generated IMEI Convert starting from the left, should be written in each box two digits consecutively until the 9 squares remain full.
20 Once the 9 squares are filled correctly you have to go to Setting option> comport> and select the port to which you are connected again and give OK
21 Select the Write NV tab.
22 Then click File> Readfrom phone.
The item number 550 should now appear.
24 Disconnect the USB cable and restart the phone.
25 Open the dialer (phone dialer) dial * # 06 # You should display the IMEI of your phone and the phone should be connected to the carrier signal without problems.
Important Note:
- If you give Error in step 13 run again and Method in step 13 before you dial them run error step 20.
Good luck and any thing sending me a message and i help. :good:
Click to expand...
Click to collapse
I did everything but it is not with original imei of my carrier, is with another imei. Because?

Milos Rea said:
Retrieve IMEI in your LG Optimus G in case of not make previous backup
The method I describe below was developed for LG G2 but has been tested successfully in the Optimus G so it's perfectly useful:
Requirements:
- The mobile must have the Stock ROM (4.1.2 or 4.4.2).
- Download Tool QSTP from this Post:
http://forum.xda-developers.com/showthread.php?t=1942417
- Download Tool IMEI Converter from this Post (item 2):
*http://forum.xda-developers.com/showthread.php?t=2701861
Steps:
1 Unzip the tool IMEI Converter to a folder:
2 Unzip tool QPST 2.7_378 in a folder and run the installation file (Setup) to install on your computer:
3 Now on the phone to enable USB Debugging. If you do not know how you can find this option in the Settings> Developmet Options>USB debugging and activate.
5 Connect the device to your computer.
6 Run the QSPT, to set it up you are clicking on the PORTS tab, then click on the ADD NEW PORT option.
7 The current port as should COM4 or 5. Note: If you do not recognize these ports any port try to recognize the phone or another PC in the latter case.
8 Select the port and click OK. The port should show the active phone.
9 Select the phone (APQ8064) and click the Download Software option from the Start Clients menu.
10 Now give click the Backup tab. It should show the phone port.
11 Click the Start tab to start doing the backup.
12 Now find the folder named BIN located in the path:
C:/program files/Qualcomm/QSPT/, open the BIN folder and execute the file RF_NV_Manager
13 Click in File> Read from phone. The IMEI number of the phone should appear in item number 550: NV_UV_IMEI_1
If you appear get an error
14 They select OK and then click on File> Read RF NVitems supported.
15. Click on item 550. Should be displayed 9 boxes in white (empty).
16 Now run the file IMEIConverter.exe
17 Then write your IMEI (15 digits) in the Enter IMEI field. If you do not know what they find in the phone box, in some models even Optimus G is glued on the back thereof, or in the phone bill.
*** - Then click on the button <CONVERT IMEI>.
** - 18 Should appear two groups of 9 digits
18. In the program RF_NV_Manager activated the Hex box
19 Now 9 boxes appear, type the numbers generated IMEI Convert starting from the left, should be written in each box two digits consecutively until the 9 squares remain full.
20 Once the 9 squares are filled correctly you have to go to Setting option> comport> and select the port to which you are connected again and give OK
21 Select the Write NV tab.
22 Then click File> Readfrom phone.
The item number 550 should now appear.
24 Disconnect the USB cable and restart the phone.
25 Open the dialer (phone dialer) dial * # 06 # You should display the IMEI of your phone and the phone should be connected to the carrier signal without problems.
Important Note:
- If you give Error in step 13 run again and Method in step 13 before you dial them run error step 20.
Good luck and any thing sending me a message and i help. :good:
Click to expand...
Click to collapse
Dear Sir, I am using this process for restoring efs/Imei of my LG optimus G f180l. the port shows in my system COM5 and when i swich my phone in LG software mode . but in step 13 it gives the error(could not communicate in diagnostic mode) during backing up. please guide me what I have to do and what mistake m I doing. PLease

gm sheikh said:
Dear Sir, I am using this process for restoring efs/Imei of my LG optimus G f180l. the port shows in my system COM5 and when i swich my phone in LG software mode . but in step 13 it gives the error(could not communicate in diagnostic mode) during backing up. please guide me what I have to do and what mistake m I doing. PLease
Click to expand...
Click to collapse
put it in charge only, that help for me when i use it a long time ago

gm sheikh said:
Dear Sir, I am using this process for restoring efs/Imei of my LG optimus G f180l. the port shows in my system COM5 and when i swich my phone in LG software mode . but in step 13 it gives the error(could not communicate in diagnostic mode) during backing up. please guide me what I have to do and what mistake m I doing. PLease
Click to expand...
Click to collapse
Hi, if you get the error in step 13 test select Setting option> comport> and select the port to which you are connected again and give OK. Good luck

Hey guys, I will reactivate this topic a little. I ve got LG F180K and I converted it to E975 without doing EFS backup (still had imei number but no signal). I flashed modem for K and it still didnt work, flashed L modem and it...worked. No LTE and no 2G, only 3G, still imei.
What to do then if I want come back to F180K ROM? (NO EFS BACKUP)

If you unlocked using freegee the imei backup folder is their in your internal storage root folder. freegee backups even if you don't choose to.

akahroba said:
If you unlocked using freegee the imei backup folder is their in your internal storage root folder. freegee backups even if you don't choose to.
Click to expand...
Click to collapse
I didnt do freegee

BartxGamer said:
Hey guys, I will reactivate this topic a little. I ve got LG F180K and I converted it to E975 without doing EFS backup (still had imei number but no signal). I flashed modem for K and it still didnt work, flashed L modem and it...worked. No LTE and no 2G, only 3G, still imei.
What to do then if I want come back to F180K ROM? (NO EFS BACKUP)
Click to expand...
Click to collapse
Do this step for no signal if your IMEI is correct(not null).Root is necessary for this step
Install "SQLite editer" from Google play to open "settings.db" in location "Data\data\com.android.providers.settings\database s" select "global" -> find "subscription_mode" change value "1" to "0" then save and exit.

kashifarif said:
Do this step for no signal if your IMEI is correct(not null).Root is necessary for this step
Install "SQLite editer" from Google play to open "settings.db" in location "Data\data\com.android.providers.settings\database s" select "global" -> find "subscription_mode" change value "1" to "0" then save and exit.
Click to expand...
Click to collapse
Are you sure about that?

renanreno said:
When i put on the chip, the IMEI set to NULL
I've already tried many ways to fix this, but no success...
Please, someone help me!
I don't want to lost my optimus G!
thanks
Click to expand...
Click to collapse
i have same problem due to convert f180k to e975. i have solved it by factory rest after flash and after factory reset (setting->backup and reset-> reset phone) restore IMEI and then again factory reset.
Factory reset after flash is main solution.

Sorry for necroing an old thread, but my lg g6 t- mobile h872 , suddenly says IMEI null after the latest 20a-e update. I never rooted, or flashed any custom roms before
What should I do?

Related

[HOW TO] Restore your lost IMEI

If your IMEI is corrupted and/or shows 0s this could help you fix it. By using these steps you will not be able to change your IMEI to a different one than your original.
1.You need to be on stock ROM
2.Phone has to be rooted
3.Dial *#7284# on phone's keypad
4.Click Qualcomm USB Settings
5.Select RMNET + DM + MODEM and click ok
6.Download QPST and install it QPST
7.Connect T999 to Windows PC with USB cable (make sure you have all Samsung drivers installed and working)
8. In Windows open Device Manager, go to Ports (COM&LPT) and look up what port your T999 is using
9.Open QPST Configuration program
10.Click Add new port
11. Enter port (for example "COM6") from step 8 to boxes "Port" and "Port Label"
12.Open QPST RF NV Item Manager program
13.From top menu click on Settings then Comport
14. In Comport Configuration window click on drop down menu and select your port from Step 8 then click OK
15. In RF NV Item Manager click on Read Supported NV RF Items (first toolbar button or select it from File menu on the top)
16. Below on left side go to line number 550 and click on it
17. On the right side, check box "Hex" this will display 9 boxes below where you enter your IMEI
18. You enter it in pairs of 2 digits and backwards
Example:
your IMEI is 353024052511214
8 (this number is not part of your IMEI but has to be entered)
3a (first digit of your IMEI ,"a" has to be there also)
35
20
04 (this can be written as just 4 also)
25
15
21
41
19. Click Write NV button
20.You can reboot and disconnect your phone now.
21. On your phone's keypad dial *#7284# go to settings and check MTP + ADB to go back to original state.
Source of info above

Stopping Hands Free Activation!

My friend Jeremy helped me with getting rid of the "Hands Free Activation" pop-up and I thought I would share it. It especially comes in handy when you are flashed to another carrier. If you are on one of the new custom ZVB Roms you probably don't have to worry about it. All you have to do is:
1) Get a Root File Browser .... I like Rom Tool Box
2) Go to "System" folder
3) Go to "App" folder .... (not Apps)
4) Scroll down and find "OmaDmclient.apk" and rename it to "OmaDmclient.bak"
5) Reboot and you should not get that aggravating ass pop up any more
:silly::laugh:
I hope I've helped someone because a lot of people have damn sure helped me!
Just Showing Off
Since this thread is my posting I wanted to show off my Speedtest results of 3g being "legally" flashed to Page Plus
http://i43.tinypic.com/ezg6l3.jpg
I could use some help through this process
devo3d said:
Since this thread is my posting I wanted to show off my Speedtest results of 3g being "legally" flashed to Page Plus
Honestly, I'd like to start with getting any data (non-wifi) working on this phone...
What I have tools wise? CDMA Workshop
LGNPST (not working) frustrated as heck about this
My LS970 - updated to Page Plus PRL and making and recieving calls...
Can someone point me in the right direction?
Click to expand...
Click to collapse
eagleveteran said:
devo3d said:
Since this thread is my posting I wanted to show off my Speedtest results of 3g being "legally" flashed to Page Plus
Honestly, I'd like to start with getting any data (non-wifi) working on this phone...
What I have tools wise? CDMA Workshop
LGNPST (not working) frustrated as heck about this
My LS970 - updated to Page Plus PRL and making and recieving calls...
Can someone point me in the right direction?
Click to expand...
Click to collapse
have you try DFS Tools? I always use this tools flashing from sprint to smartfren (Indonesian provider)
Click to expand...
Click to collapse
eagleveteran said:
devo3d said:
Since this thread is my posting I wanted to show off my Speedtest results of 3g being "legally" flashed to Page Plus
Honestly, I'd like to start with getting any data (non-wifi) working on this phone...
What I have tools wise? CDMA Workshop
LGNPST (not working) frustrated as heck about this
My LS970 - updated to Page Plus PRL and making and recieving calls...
Can someone point me in the right direction?
Click to expand...
Click to collapse
I know I'm late responding to this but what service provider are you flashed to? ( if you haven't found a solution yet )
Click to expand...
Click to collapse
Page Plus
devo3d said:
eagleveteran said:
I know I'm late responding to this but what service provider are you flashed to? ( if you haven't found a solution yet )
Click to expand...
Click to collapse
Page Plus
Click to expand...
Click to collapse
Thank You
I was really annoyed with the popup.
Thanks for the solution :good::good:
lnxnubie said:
I was really annoyed with the popup.
Thanks for the solution :good::good:
Click to expand...
Click to collapse
No Probelem....The guy I use to use to flash phones figured it out....he was the only one (entire USA) that knew how to flash the OG to Verizon and get full data (3G). He quit flashing phones from where he was living so now I can't get in touch with him...he could flash any freakin phone..
eagleveteran said:
devo3d said:
Page Plus
Click to expand...
Click to collapse
With Page Plus and Straight Talk you have to have certain APN's set. Is your APN correctly set for Page Plus?
EDIT: ( I don't even know if I can post this but I sure admin will let me know...LOL)
I found this in my files, used it long ago and am not sure if it still is applicable but there may some information in it that may be able to lead you in the right direction......
PP
3G data speeds (HOW TO)
This guide is to get evdo data or 3g data speeds on phones flashed to page plus cellular this is not a beginers guide by no means this guide is assuming both spc codes are set to 000000.
things you will need:
1.A donor phone of your own that will ota program and one that you can swap the esn number to that of the target phone. I used a samsung i500
2.Target phone that you own
3.qpst and dfs 4.0.0.4 demo
4.drivers for both phones
Pre-Setup:
1.pull battery out of the target phone and LEAVE it out
2.place that esn number on the donor phone
3.Deactivate then reactivate the target phones esn number
4.OTA program the donor phone that has the swapped esn number on it.
5.Verify that 3g speeds are working on the donor phone
Phase 1:
1.Place donor phone in diagnostic mode and plug into computer
2.Open qpst configuration add the port
3.Go to start clients then efs explorer
4.Open the DMU folder and copy the 10.key file to your computer then exit qpst
Phase 2:
1.Open DFS and select the port that the phone is on
2.Send the spc you should see a device unlocked message in the log.
3.Go to the programming tab then the nam tab and read that page.
4.Read the Data tab and Mobile IP tab as well.
5.Do not close the dfs tab
6.Revert esn back to normal or smash the donor phone into a lot of pieces
Final Phase: (Non-Verizon and Sprint)
1.Power on target phone and place in diagnostic mode and plug into computer
2.Open qpst configuration add the port
3.Go to start clients then efs explorer
4.Now on the Left side of the efs explorer right click the screen go to new and directory
5.Name the directory "DMU" without the quotation marks then place the 10.key file into that directory by drag and drop then exit qpst
6.Now go back into dfs do not add the target phone yet and go to mobile ip nothing else on the screen should change
7.Now select the port the target phone is on in dfs and send the spc code
8.Write the nam tab to target phone after verifing it doesnt say home only then go to data tab and check the box next to pwd on the ppp section only which will change the pwd to hex format then write the data tab
9.Go to the mobile ip tab and right click the red stop sign looking thing on the second bubble and enable it and set active profile to 1 then click "write current profile settings" and click the write button on the left side of the screen
10.Now go back to the Nam tab and load the prl file I prefer using 00002 but you can experiment
Final Phase: (Verizon 4gLTE)
1.Power on target phone and place in diagnostic mode and plug into computer
2.Open qpst configuration add the port
3.Go to start clients then efs explorer
4.Now on the Left side of the efs explorer right click the screen go to new and directory
5.Name the directory "DMU" without the quotation marks then place the 10.key file into that directory by drag and drop then exit qpst
6.Now go back into dfs do not add the target phone yet
7.Now select the port the target phone is on in dfs and send the spc code
8.Write the nam tab to target phone after verifying it doesn't say home only then go to data tab and check the box next to pwd on the ppp section only which will change the pwd to hex format then write the data tab
9.Go to the mobile ip tab click "write current profile settings" and click the write button on the left side of the screen
10.Now go back to the Nam tab and load the prl file i recommend 00002 but experiment with what you want and reboot phone and enjoy
Having issues try getting 1x first on lte phones you will need a sim card unactivated by verizon and it should pop up after a minute or two should never take longer than 15 minutes the first time
make sure you have it set to nv only on lte handsets.
Need a guide for a specific model name it I'll write it for you step by step for a small fee.
Note I have not tested this on any apple product so cannot support them.
Between getting 1x and then going to target phone must be on airplane mode after esn on account is switched back
Read more: http://www.cricketusers.com/page-plus-cellular/38824-page-plus-3g-data-speeds-how.html#ixzz2VLa0LfsP
ANOTHER EDIT : SOMETHING I FORGOT ABOUT YOUR MMS
Steps to MMS (picture mail) configuration: This is only one way, but it works...
1. Open the messaging app and press menu and select settings.
2. Uncheck EVERY item in the settings and exit the app with the back button.
3. Open your browser and go to the URL "mms.ihavegreat.info" and download
4. Pull down the top of your screen and wait for the app to finish downloading
5. Tap the app to install and let it authorize and setup
6. Remove the stock messaging app from homescreen and replace with this new one.....(may also disable the original message app)
7. Reboot the phone and you should have working MMS
Click to expand...
Click to collapse

[Q] Anyone have 0/12 IMEI number but network semi work and EFS missing NV_data.bin

I installed the jedi mind trick JB6 rom a week ago and everything worked great up until a few days ago. Now my phone when connected to wifi can't access the play store, gmail and other apps. I can receive/make calls through wifi calling and texts just not internet data. As soon as i turn wifi off everything works normal. So I checked my Imei and it showing up as 0 / 12 . Anyone else experience this and is there a fix for it. I already tried restoring my EFS folder but the two needed files are not there and I never made a backup.
h t t p s :// w w w . dropbox. c o m /s/gqawvt7qgscmjeh/Screenshot_2013-08-15-18-18-44.png
johnerici said:
. So I checked my Imei and it showing up as 0 / 12 . Anyone else experience this and is there a fix for it. I already tried restoring my EFS folder but the two needed files are not there and I never made a backup.
h t t p s :// w w w . dropbox. c o m /s/gqawvt7qgscmjeh/Screenshot_2013-08-15-18-18-44.png
Click to expand...
Click to collapse
I have this phenomenon on my SGS2, and have had it such since January after flashing an Embryo ROM. I'm not sure how it happened, I used to think Embryo borked it but no other users reported anything similarly happening to them.
However, I have no issues with data or anything else problematic occurring as a result of the IMEI being 0'd. Everything works fine. I use Straight Talk, so I think IMEI blacklisting doesn't apply to me, but it may be a factor in your case, as ATT/T-Mobile are more stringent now about EFS tampering etc. because they now blacklist handsets.
QPST or somesuch, a Squidbox, or Riffboxing type of repairs may remedy the problem. Try using a different SIM for another network and verify it's not a carrier specific issue. Also, try going back to stock and doing an EFS restore via the Service Menu from stock Dialer. (*#*#197328640#*#*)
Also, to save any trouble; Odin will not help you, as the EFS partition is handled seperately unless you check the box to clear EFS...which will also not help you.
GL.
1. Disconnect USB cable from phone.
2. Go to Menu->Settings->Applications->Development.
3. Turn on "USB Debugging" option.
4. When message is appear press "Yes".
5. Go to dial window.
6. Enter "*#7284#" number.
7. Set "USB" radio button to "Modem" value.
8. Close window.
9. Go to dial window.
10. Enter "*#9090#" number.
11. Set "Diag config" to "USB" value.
12. Restart phone.
13. Then download EFS Professinal from http://forum.xda-developers.com/showthread.php?t=1308546
14. Extract and open efs professional and click on Qualcomm NV Tools
15. You must see your device in "Available COM Ports"
16. Now click on "connect", it will show "SPC was accepted by the phone".
17. Now just see the "IMEI Repair"column, it will show blank or '0'.
18. Now type your IMEI number infront of "IMEI" and click "Write IMEI".
19. Thats it.
Incase you dont know the IMEI of your device, just check the mobile box or it is written in a label inside the mobile below the battery. Hope this helps...
Thanks guys, the imei showing up as 0 wasnt the problem everything works now. it turned out to be the proxy settings i setup for ad blocker was blocking data when connected to wifi.
nikunj0202 said:
1. Disconnect USB cable from phone.
2. Go to Menu->Settings->Applications->Development.
3. Turn on "USB Debugging" option.
4. When message is appear press "Yes".
5. Go to dial window.
6. Enter "*#7284#" number.
7. Set "USB" radio button to "Modem" value.
8. Close window.
9. Go to dial window.
10. Enter "*#9090#" number.
11. Set "Diag config" to "USB" value.
12. Restart phone.
13. Then download EFS Professinal from http://forum.xda-developers.com/showthread.php?t=1308546
14. Extract and open efs professional and click on Qualcomm NV Tools
15. You must see your device in "Available COM Ports"
16. Now click on "connect", it will show "SPC was accepted by the phone".
17. Now just see the "IMEI Repair"column, it will show blank or '0'.
18. Now type your IMEI number infront of "IMEI" and click "Write IMEI".
19. Thats it.
Incase you dont know the IMEI of your device, just check the mobile box or it is written in a label inside the mobile below the battery. Hope this helps...
Click to expand...
Click to collapse
I am having a similar problem. When I try the above *#7284# or *#9090# codes I can't get into the menu's to change the settings. I get a error that says,"mobile network not available". My IMEI number is bad and I can't get on the network at all. Is there a way to make this work?
Sent from my SAMSUNG-SGH-T989 using xda app-developers app
bornofHim said:
I am having a similar problem. When I try the above *#7284# or *#9090# codes I can't get into the menu's to change the settings. I get a error that says,"mobile network not available". My IMEI number is bad and I can't get on the network at all. Is there a way to make this work?
Sent from my SAMSUNG-SGH-T989 using xda app-developers app
Click to expand...
Click to collapse
Just take a backup, hard reset your phone and again follow the steps. If it doesn't work, just try to update or change the ROM and try again. Hope this helps.
When i was on a custom rom the debug menu wouldn't show up , make sure you go back to stock rom.
johnerici said:
When i was on a custom rom the debug menu wouldn't show up , make sure you go back to stock rom.
Click to expand...
Click to collapse
Some custom ROMs ie any new aosp ROM hides developer options, u need to go to system settings/about phone and tap build number 8x and it will unlock the menu for u...
Sent from my SAMSUNG-SGH-T989 using XDA Premium 4 mobile app

[Q] Imei 0/12 on sgh-t989 sim unlocked

I need help after i flashed my phone and got it ready for use on metro pcs i lost my imei number. I 've gone thru some of the post here and done what they said but nothing worked. cause most said i needed to do something with the nv_data file and i don't have one at all so can anyone help me
any help at all anyone please.
Imei 0/12 solved!!!
kanosuki said:
any help at all anyone please.
Click to expand...
Click to collapse
I've found a thread with the answer:
1. Disconnect USB cable from phone.
2. Go to Menu->Settings->Applications->Development.
3. Turn on "USB Debugging" option.
4. When message is appear press "Yes".
5. Go to dial window.
6. Enter "*#7284#" number.
7. Set "USB" radio button to "Modem" value.
8. Close window.
9. Go to dial window.
10. Enter "*#9090#" number.
11. Set "Diag config" to "USB" value.
12. Restart phone.
13. Then download EFS Professinal from http://forum.xda-developers.com/show....php?t=1308546
14. Extract and open efs professional and click on Qualcomm NV Tools
15. You must see your device in "Available COM Ports"
16. Now click on "connect", it will show "SPC was accepted by the phone".
17. Now just see the "IMEI Repair"column, it will show blank or '0'.
18. Now type your IMEI number infront of "IMEI" and click "Write IMEI".
19. Thats it.
irwing69 said:
13. Then download EFS Professinal from http://forum.xda-developers.com/show....php?t=1308546
.
Click to expand...
Click to collapse
link is dead

Request - Is someone willing to share an anonymized QCN/NV partition backup? (Brick)

EDIT: Already got help from someone here. Thanks! "Case is closed now".
Hello everyone,
unfortunately I bricked my Find 7a while trying to expand the 3GB internal storage with Chinese partition layout. And I don't know where it went wrong. :crying:
I already tried the Unbrick tool (Sahara) and restoring the old partition layout several times. And the partition layout recovery worked, but ColorOS says my NV partition is still invalid. It seems this partition got damaged and now my IMEI is gone and I can't use my mobile network anymore.
And sadly I figured out that the normal TWRP doesn't even show the NV/EFS partition to back (only modified TWRP do), so I don't have an backup of those partitions.
One last change would be to take an backup of another phone, anonymizing it by overwriting the IMEI and kindly sending me the copy.
If someone is willing to do so, I'd be very happy so I can reanimate my Find 7 .
I attached a tutorial:
1. Needed software:
Qualcomm QPST Diag drivers
Qualcomm QPST Tool
IMEI converter
Any hex editor, e.g. HxD Editor
2. Start phone in Diag Mode:
-Enable Developer Settings and then "USB-Debugging" on your device
Install the drivers. They are already signed, so no need to disable Windows signature check.
To enable the Diag Port, either under
a) ColorOS:
-Call *#801# and enable "Engineer Mode Toggle"
b) ADB and root access:
ADB commands:
-adb shell (only when accessing the phone with ADB from pc, not necessary when using TWRP adb terminal)
-su
-setprop sys.usb.config diag,adb
Now in the in the device manager you should see a "Qualcomm/Oppo HS-USB MSM Diagnostics 276C (COM y)" device
3. Backup the IMEI/Baseband infos:
Again, we have 2 alternative ways:
a) QFIL
Open QFIL: C:\Program Files (x86)\Qualcomm\QPST\bin\QFIL.exe.
Did QFIL already automatically recognize the Diag Port in the first row?
From the top menu "Tools" choose the entry "QNC Backup Restore". Backup the QNC
b) QPST
Open QPST Configuration: C:\Program Files (x86)\Qualcomm\QPST\bin\QPSTConfig.exe.
Under the tab "Ports" there should be the COM port from the device manager above.
If not, try "Add New Port" and untick “Show Serial and USB/QC Diagnostic ports only” and choose the right COM port and click OK.
If this doesn't help and no device shows up, add the COM-Port manually by typing the following:
Port: COMy (replace x with the number of what the device manager is showing you for the "Qualcomm/Oppo HS-USB MSM Diagnostics 276C (COM y)"
Label: You are free to name this port what you want
Then in QPST Configuation open the top menu entry "Start Clients" and then "Software Download". Select the port of the device in diagnostic mode and press OK.
Choose the “Backup” option tab, click browse, choose your destination and name of your QCN backup, choose the "QPST NV Memory Files (.qcn)" as “Save as type”, NOT the first option as (.xqcn).
Click “Start” and wait for it to finish. This will back up all your phones NV Items and save them to the QCN Backup File.
5. Anonymizing your IMEI:
Open the .qcn file with HEX editor.
Search for your IMEI in HEX format. To do so, use the IMEI converter, enter your IMEI.
[For your own verifcation: An IMEI in HEX always starts with "08" followed by your first IMEI number and an "A". So if you have IMEI 123456789012345 the HEX format would be 08 1A 32 54 76 98 10 32 54.]
Now search for the converted HEX string (or better search for the first four characters 08xA only). Keep in mind to set the search type to "HEX values" not "Text" or anything else.
Replace all numbers after “08” with dummy numbers, so the result will e.g. be: 08 1A 22 33 44 55 66 77 88. Please copy your chosen dummy HEX IMEI, so I know what I am searching for to insert my IMEI then.
Save the file (as another copy, don't replace your original file in ase you will need it some day)
6. Share the anonymized file with me over PN
I thank all of you for your help! :victory:
Hello, I am new here and I would like to know if it is possible that you could share the file that happened to you since I have the same problem after partitioning my cell phone Beforehand thank you very much Sorry for my bad English
hi. had same problem with imei missing in my phone after hard bricking it and partition all mess up but now I done reparing the partition, some error come up says nv partition error. then I find out the imei is missing. please send me the dummy imei to my email. hope I can have my phone back.
- [email protected]

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