I have a very weird problem with this device.
Recently bought one off another person. I tried to flash it but the flash code is wrong.
After reading that the flash code should not be wrong and derived from the imei, i realize it is highly possble that the imei on the back may not be the imei of the mobo itself. Would like to ask if anyone knows how to check the imei of the device via any software?
I've soft bricked my g930f but managed to get it going again and it's rooted. However, along the way I have managed to lose my IMEI and some other info. I am currently downloading what I believe to be the original country firmware (trinidad / tobago) and will try flashing that when I have it. I don't know if this will restore the following information that is missing, as well as (I hope) enable me to once more connect with my GSM provider. If anyone knows whether this will work I would value the advice.
Using PhoneInfo, here is a list of the missing information on my g930f:
Country of Origin (this used to be Vietnam but is now blank)
Manufacturing Date
Product Code
Available CSC codes
Mobile Operator (there is actually a single comma in this line)
Baseband version
Modem Board
Hardware Revision
IMEI
Samsung serial number (a bunch of zeroes here)
Does it seem likely that the lack of a correct modem file is the culprit for these missing items? I do have the original IMEI number written down (it's also on the back of the phone.)
UPDATE: I tried this: http://forum.xda-developers.com/galaxy-s2/general/guide-recover-imei-9-steps-t1264021 but it did not fix my problem with the IMEI. I did have a backup of the EFS folder but it may have been taken after the damage had been done.
I am currently still downloading the Trinidad/Tobago firmware from Sammobile and will post what happens when I attempt to flash that.
How did you soft brick your phone? You flashed a firmware for other countries? I'm planning of flashing the unknown firmware from Sammobile too, please keep up updated. Thank you.
I once had a problem with the IMEI, but it was because the phone was blocked by the Mobile Company.
Dear XDA members,
this is my first post, so please be a bit patient if I do something wrong
I got a very stubborn phone from some relative - he complained that sometimes the voice is fading during voice call. Otherwise the phone was working flawlessly, no other issues/trouble, was working across Europe. It was imported to Europe from Asia, which seems to have some importance, but we'll get there.
When I got it, the first thing I tried was OTA update - however there was some error (it still had 5.11 version back in December 2018). Not thinking too much (and not being aware about CSC codes) I got Odin and flashed it with 7.0 stock firmware. At first moment everything seemed fine, but after some time I inserted my SIM-card and I noticed that phone can't register to mobile network - then I tried another SIM-card from another carrier and result was the same. I tried to flash with few another ROMs with different CSC codes - but the result was exactly the same.
The IMEI and serial numbers reported by phone were in line with info on sticker and engraving on the back cover, but then I found that *#0011# shows IMEI Status: NG.
Wondering if the phone is not black listed I checked it's IMEI at imei.info web site and to my surprise it reported different Samsung serial number than the one on back sticker/cover! I opened back cover and I found that the phone has been manipulated, there's no sticker on the battery with phone info, but is some "Chinese" OK sticker...
I searched the XDA-forum and tried various fixes:
1) deleting nv_data from /efs partition in order to restore factory IMEI, etc., (https://forum.xda-developers.com/showpost.php?p=75927733&postcount=37),
2) flashing with combination firmware (https://forum.xda-developers.com/s7-edge/how-to/guide-how-to-fix-check-drk-imei-issues-t3379516 tried both A and B methods),
3) downgrading to 5.1.1,
4) HEX editing efs partition backup to change Samsung serial number to the one reported by imei.info - I replaced sn in three places, phone reports "edited" sn, but I have no clue if it's not causing any checksum errors, I still have "original" backup,
5) repeating 1,2,3 with "new serial number",
6) installing NexusOS-9.
None of the above made it possible to connect to mobile network, checking with *#0011# after each of the above (except for NexusOS) still shows IMEI: NG
Is there any other way that could help that issue? What does IMEI: NG actually mean?
I checked with some phone repair shops, and none of them seemed to be equipped with Z3X-toolbox, at one place I heard that they can try to fix it, but give no guarantee of success, since the phone looks to be non-original.
As I wrote at the beginning - non-original or refurbished in Asia, the phone worked without any issues in few European countries, so I assume that IMEI is not black listed anywhere.
Thank you in advance for any guidance!
vorek22 said:
Dear XDA members,
this is my first post, so please be a bit patient if I do something wrong
I got a very stubborn phone from some relative - he complained that sometimes the voice is fading during voice call. Otherwise the phone was working flawlessly, no other issues/trouble, was working across Europe. It was imported to Europe from Asia, which seems to have some importance, but we'll get there.
When I got it, the first thing I tried was OTA update - however there was some error (it still had 5.11 version back in December 2018). Not thinking too much (and not being aware about CSC codes) I got Odin and flashed it with 7.0 stock firmware. At first moment everything seemed fine, but after some time I inserted my SIM-card and I noticed that phone can't register to mobile network - then I tried another SIM-card from another carrier and result was the same. I tried to flash with few another ROMs with different CSC codes - but the result was exactly the same.
The IMEI and serial numbers reported by phone were in line with info on sticker and engraving on the back cover, but then I found that *#0011# shows IMEI Status: NG.
Wondering if the phone is not black listed I checked it's IMEI at imei.info web site and to my surprise it reported different Samsung serial number than the one on back sticker/cover! I opened back cover and I found that the phone has been manipulated, there's no sticker on the battery with phone info, but is some "Chinese" OK sticker...
I searched the XDA-forum and tried various fixes:
1) deleting nv_data from /efs partition in order to restore factory IMEI, etc., (https://forum.xda-developers.com/showpost.php?p=75927733&postcount=37),
2) flashing with combination firmware (https://forum.xda-developers.com/s7-edge/how-to/guide-how-to-fix-check-drk-imei-issues-t3379516 tried both A and B methods),
3) downgrading to 5.1.1,
4) HEX editing efs partition backup to change Samsung serial number to the one reported by imei.info - I replaced sn in three places, phone reports "edited" sn, but I have no clue if it's not causing any checksum errors, I still have "original" backup,
5) repeating 1,2,3 with "new serial number",
6) installing NexusOS-9.
None of the above made it possible to connect to mobile network, checking with *#0011# after each of the above (except for NexusOS) still shows IMEI: NG
Is there any other way that could help that issue? What does IMEI: NG actually mean?
I checked with some phone repair shops, and none of them seemed to be equipped with Z3X-toolbox, at one place I heard that they can try to fix it, but give no guarantee of success, since the phone looks to be non-original.
As I wrote at the beginning - non-original or refurbished in Asia, the phone worked without any issues in few European countries, so I assume that IMEI is not black listed anywhere.
Thank you in advance for any guidance!
Click to expand...
Click to collapse
same problem here
can u tell me how to downgrade from oreo to nougat and to marshmellow i have g925fd S 7 edge
vorek22 said:
Dear XDA members,
this is my first post, so please be a bit patient if I do something wrong
I got a very stubborn phone from some relative - he complained that sometimes the voice is fading during voice call. Otherwise the phone was working flawlessly, no other issues/trouble, was working across Europe. It was imported to Europe from Asia, which seems to have some importance, but we'll get there.
When I got it, the first thing I tried was OTA update - however there was some error (it still had 5.11 version back in December 2018). Not thinking too much (and not being aware about CSC codes) I got Odin and flashed it with 7.0 stock firmware. At first moment everything seemed fine, but after some time I inserted my SIM-card and I noticed that phone can't register to mobile network - then I tried another SIM-card from another carrier and result was the same. I tried to flash with few another ROMs with different CSC codes - but the result was exactly the same.
The IMEI and serial numbers reported by phone were in line with info on sticker and engraving on the back cover, but then I found that *#0011# shows IMEI Status: NG.
Wondering if the phone is not black listed I checked it's IMEI at imei.info web site and to my surprise it reported different Samsung serial number than the one on back sticker/cover! I opened back cover and I found that the phone has been manipulated, there's no sticker on the battery with phone info, but is some "Chinese" OK sticker...
I searched the XDA-forum and tried various fixes:
1) deleting nv_data from /efs partition in order to restore factory IMEI, etc., (https://forum.xda-developers.com/showpost.php?p=75927733&postcount=37),
2) flashing with combination firmware (https://forum.xda-developers.com/s7-edge/how-to/guide-how-to-fix-check-drk-imei-issues-t3379516 tried both A and B methods),
3) downgrading to 5.1.1,
4) HEX editing efs partition backup to change Samsung serial number to the one reported by imei.info - I replaced sn in three places, phone reports "edited" sn, but I have no clue if it's not causing any checksum errors, I still have "original" backup,
5) repeating 1,2,3 with "new serial number",
6) installing NexusOS-9.
None of the above made it possible to connect to mobile network, checking with *#0011# after each of the above (except for NexusOS) still shows IMEI: NG
Is there any other way that could help that issue? What does IMEI: NG actually mean?
I checked with some phone repair shops, and none of them seemed to be equipped with Z3X-toolbox, at one place I heard that they can try to fix it, but give no guarantee of success, since the phone looks to be non-original.
As I wrote at the beginning - non-original or refurbished in Asia, the phone worked without any issues in few European countries, so I assume that IMEI is not black listed anywhere.
Thank you in advance for any guidance!
Click to expand...
Click to collapse
Got any solution ?
Skyscout said:
Got any solution ?
Click to expand...
Click to collapse
Yes
for some reason my phone stopped connecting to cell network. after much troubleshooting i saw that the IMEI in the phone was corrupted, changed to 350000000000006 from the original IMEI. all things i read about getting the original IMEI back requires me to root the phone. but it doesnt look like a root is available for my build version. any suggestions? sm-g920a build UCS5DPK1. thanks.
Does anyone know how to patch the certificate in the SM-A12F to accept an IMEI change.
I have my original IMEI that I wish to repair on this phone and the IMEI Certi: Fail is blocking it from seeing the IMEI as anything other than Unknown.
Stupidly, I had followed instructions from somewhere with a "dead boot" recovery - which turned out to be somebody's scatter firmware dump, and in the process completely overwrote my sec_efs partition with theirs, which replaced my IMEI and serial number with their IMEI and serial number. I have patched the IMEI and serial number in the sec_efs dump with my own, but the certificate is obviously still certifying the other guy's IMEI instead.
I don't want to have to use Chimera or Z3X or anything because I already spent a fortune getting UnlockTool to let me fix the Knox lock that was applied thanks to whoever dumped that scatter firmware having not paid whoever their rental contract.
gunna35 said:
Does anyone know how to patch the certificate in the SM-A12F to accept an IMEI change.
I have my original IMEI that I wish to repair on this phone and the IMEI Certi: Fail is blocking it from seeing the IMEI as anything other than Unknown.
Stupidly, I had followed instructions from somewhere with a "dead boot" recovery - which turned out to be somebody's scatter firmware dump, and in the process completely overwrote my sec_efs partition with theirs, which replaced my IMEI and serial number with their IMEI and serial number. I have patched the IMEI and serial number in the sec_efs dump with my own, but the certificate is obviously still certifying the other guy's IMEI instead.
I don't want to have to use Chimera or Z3X or anything because I already spent a fortune getting UnlockTool to let me fix the Knox lock that was applied thanks to whoever dumped that scatter firmware having not paid whoever their rental contract.
Click to expand...
Click to collapse
can you use network with other guy's imei?