I tried to install all possible versions of stock oreo and nougat, since updating via ota or adb patch by patch, but my IMEI remains empty, I tried xposed modules that even set the imei but the chip remains unrecognized, I tried to use terminal emulator , use roms oreo (validus, pe) but nothing recovered my imei, I need urgent help
You'll have to look around, but find a rom from 02/18 or earlier - nothing later
Related
Hello All,
Tried searching for a case peculiar as mine, wasnt able to find one so here is the lowdown.
1. Xperia C6603 , originally had 4.2.2 stock ROM which was working fine with my local network. Dont remember the baseband version.
2. Used XperiFirm to download the latest firmware as reported in the list. Dont know what does the suffix RxD (R1D--R8D) means. Anyone please explain. As per the below screenshot downloaded version "C6603_Customized HK_1270-5695_10.5.1.A.0.292_R1D" .
3. Before flashing the downloaded firmware I flashed the dualrecovery from XZDualRecovery. I made a TWRP backup of the 4.2.2 stock ROM on an external SD card, for all partitions including TA,system,boot etc.
4. Used Flashtool to convert the downloaded (step 2) firmware "FILES" format to a flashable FTF file. Flashed the firmware , which went on smoothly.
5. At the first startup I got the following screen , telling me that it is a prototype device/firmware . I went on to see that the network which was working fine with stock ROM 4.2.2 was no longer available.
I tried to go to settings to check and search for networks, which shows available networks, but unable to get itself registered to the SIM providers network. Tried all the settings combinations in menu "*#*#4636*#*#" , nothing makes it work to get the GSM network connectivity back. It is supposedly on the correct setting of LTE/WCDMA/GSM which my current operator supports. Following is the "About" screen for current baseband version.
Tried going in the "Service" menu via "*#*#7378423#*#*" , with the following info, having an unknown modem configuration.
6. Tried reverting back to the old TWRP backup, for which I needed the TWRP recovery loaded on the phone. So ran the XZDualRecovery script again (with the new 4.4 ROM on the phone), however the script hangs around in the end and never reboots the phone with the TWRP recovery. So i am unable to revert and use the stock ROM backups .
7. I dont want to root/unlock the bootloader, however I tried installing TWRP via its "XZrecovery.apk", but it requires busybox (which requires a rooted phone). So i tried the rooting script from [GUIDE] How to root 10.5.1.A.0.283 / 10.5.1.A.0.292 [Locked Bootloader], but it also hangs around in the end and never delivers a rooted phone.
8. Tried looking around for assortment of xperia Z baseband files to check and see if flashing it separately can make it work, however to no avail the the condition persists.
Either ways having a prototype version on the phone which transmits all data back to sony is not desirable at all. So need to replace it for sure. Currently I am stuck in the middle without a clue of how to go back and restore the 4.2.2 TWRP backup, or to actually flash a "non-prototype" or retail version of 4.4.x .
Any help/guidance/suggestions to remedy would be appreciated.
Thanks.
=====================UPDATE
Ok followed the instructions at [GUIDE] How to root 10.5.1.A.0.283 / 10.5.1.A.0.292 [Locked Bootloader] , read carefully again to flash the .230 kernel. Flashed the XZDualRecovery and got the TWRP recovery back.
Restored the old 4.2.2 TWRP backup , hoping that everything would go back to normal. However with a successul restore and a reboot, I was amazed to see I still have no network connectivity. The baseband version is "9x15A-ACEFWMAZQ-30110068-44" . Another noticeable thing was that after the restore and first boot, I still got the "prototype device" message again, which was not there when I first booted the device with original stock 4.2.2 ROM before this flashing adventure began.
Any ideas what may have gone bad.
Thanks.
=======================================
Just got to know that my device is a BROWN device, its IMEI number starts from 0044 so it is a prototype. Any ideas is it really good or bad to have one. Also I see that after another restore of the original stock 4.2.2 ROM it is barely getting the signals indoor (1 bar only). The signal reception is very weak and sporadic . Should i keep the device or not and is there any remedy or network signal strength.
Thanks.
HyperEscape said:
Hello All,
Tried searching for a case peculiar as mine, wasnt able to find one so here is the lowdown.
1. Xperia C6603 , originally had 4.2.2 stock ROM which was working fine with my local network. Dont remember the baseband version.
2. Used XperiFirm to download the latest firmware as reported in the list. Dont know what does the suffix RxD (R1D--R8D) means. Anyone please explain. As per the below screenshot downloaded version "C6603_Customized HK_1270-5695_10.5.1.A.0.292_R1D" .
3. Before flashing the downloaded firmware I flashed the dualrecovery from XZDualRecovery. I made a TWRP backup of the 4.2.2 stock ROM on an external SD card, for all partitions including TA,system,boot etc.
4. Used Flashtool to convert the downloaded (step 2) firmware "FILES" format to a flashable FTF file. Flashed the firmware , which went on smoothly.
5. At the first startup I got the following screen , telling me that it is a prototype device/firmware . I went on to see that the network which was working fine with stock ROM 4.2.2 was no longer available.
I tried to go to settings to check and search for networks, which shows available networks, but unable to get itself registered to the SIM providers network. Tried all the settings combinations in menu "*#*#4636*#*#" , nothing makes it work to get the GSM network connectivity back. It is supposedly on the correct setting of LTE/WCDMA/GSM which my current operator supports. Following is the "About" screen for current baseband version.
Tried going in the "Service" menu via "*#*#7378423#*#*" , with the following info, having an unknown modem configuration.
6. Tried reverting back to the old TWRP backup, for which I needed the TWRP recovery loaded on the phone. So ran the XZDualRecovery script again (with the new 4.4 ROM on the phone), however the script hangs around in the end and never reboots the phone with the TWRP recovery. So i am unable to revert and use the stock ROM backups .
7. I dont want to root/unlock the bootloader, however I tried installing TWRP via its "XZrecovery.apk", but it requires busybox (which requires a rooted phone). So i tried the rooting script from [GUIDE] How to root 10.5.1.A.0.283 / 10.5.1.A.0.292 [Locked Bootloader], but it also hangs around in the end and never delivers a rooted phone.
8. Tried looking around for assortment of xperia Z baseband files to check and see if flashing it separately can make it work, however to no avail the the condition persists.
Either ways having a prototype version on the phone which transmits all data back to sony is not desirable at all. So need to replace it for sure. Currently I am stuck in the middle without a clue of how to go back and restore the 4.2.2 TWRP backup, or to actually flash a "non-prototype" or retail version of 4.4.x .
Any help/guidance/suggestions to remedy would be appreciated.
Thanks.
=====================UPDATE
Ok followed the instructions at [GUIDE] How to root 10.5.1.A.0.283 / 10.5.1.A.0.292 [Locked Bootloader] , read carefully again to flash the .230 kernel. Flashed the XZDualRecovery and got the TWRP recovery back.
Restored the old 4.2.2 TWRP backup , hoping that everything would go back to normal. However with a successul restore and a reboot, I was amazed to see I still have no network connectivity. The baseband version is "9x15A-ACEFWMAZQ-30110068-44" . Another noticeable thing was that after the restore and first boot, I still got the "prototype device" message again, which was not there when I first booted the device with original stock 4.2.2 ROM before this flashing adventure began.
Any ideas what may have gone bad.
Thanks.
=======================================
Just got to know that my device is a BROWN device, its IMEI number starts from 0044 so it is a prototype. Any ideas is it really good or bad to have one. Also I see that after another restore of the original stock 4.2.2 ROM it is barely getting the signals indoor (1 bar only). The signal reception is very weak and sporadic . Should i keep the device or not and is there any remedy or network signal strength.
Thanks.
Click to expand...
Click to collapse
Firstly I love the detail you have provided which would save you and me a lot of time to pinpoint the exact problem and work it accordingly.
Firstly, I would suggest that if you have a box or any other receipt that shows your exact device name with its basebands. Where did you buy it from and what is your exact location so we can guess your region. This is the time to show it now. Also which basebands work in your location can also help us out.
The problem you have made it flashed basebands of a different variant which has resulted in loss of network. So to fix it we need, and there are three ways about it.
First, download Sony PC companion and try to repair your phone and see if that helps.
Secondly, download flashtool and ftf for your device (make sure you select the right variant this time. Choosing for wrong device can hard brick your phone. so beware) and flash your phone with it.
If all this fails, you go to Sony flashtool called Emma. Download it and try to flash it with that.
You can google how to use every tool on xda and I am sure you would find a lot of guides for that.
Quote me back in case you expect an answer
I have this N920C 64GB version from Dubai.
I am in Turkey so I have to use a Turkish Sim Card.
The phone had Marshmallow on it when I came to Turkey.
I updated it to Nougat. The sim card didn't work. I had a Marshmallow TWRP backup. I only restored the EFS & Modem. So it carried on working until yesterday when I tried to download the latest firmware from Sammobile. I did exactly what I did before. I flash the firmware, then "not registered on the network" pops up. I restore the EFS & modem, then "IMEI and Baseband" turns "unknown". Restoring the whole backup didn't work either. (It used to work before..)
I tried to downgrade to Marshmallow, it fails every time, (OEM unlocking and USB debugging is on.)
I tried everything what I already know and everything I read on the internet, since yesterday. Now I am downloading the multi-file firmware fix for Marshmallow to see if it works, because multi-file fix firmware for Lollipop 5.11 failed in Odin.
I tried few modems but none of them worked. I hope you can help me...
Thank You very much for reading...
EDIT: I have downgraded from Nougat to Marshmallow successfully by flashing a custom rom.
IMEI & Baseband shows normal but still cannot make or receive calls. I can see the signal bars strength but "Not registered on network" error continues.
Flashing modems still doesn't work. Flashing official 6.0 fails too...
Is there anyone who can help?
Thank You...
LAST EDIT: First, I did a TWRP backup, all partitions including efs & modem.
I opened the root explorer app, opened the efs folder, deleted the files named nv_data.bin
, nv_data.bin.md5 & the folder called imei. Then opened twrp, wiped all partitions. Flashed the latest firmware with Odin.
Finally, it is done...
Now, I am deleting every backup I created before...
Thank You...
falconsson said:
I have this N920C 64GB version from Dubai.
I am in Turkey so I have to use a Turkish Sim Card.
The phone had Marshmallow on it when I came to Turkey.
I updated it to Nougat. The sim card didn't work. I had a Marshmallow TWRP backup. I only restored the EFS & Modem. So it carried on working until yesterday when I tried to download the latest firmware from Sammobile. I did exactly what I did before. I flash the firmware, then "not registered on the network" pops up. I restore the EFS & modem, then "IMEI and Baseband" turns "unknown". Restoring the whole backup didn't work either. (It used to work before..)
I tried to downgrade to Marshmallow, it fails every time, (OEM unlocking and USB debugging is on.)
I tried everything what I already know and everything I read on the internet, since yesterday. Now I am downloading the multi-file firmware fix for Marshmallow to see if it works, because multi-file fix firmware for Lollipop 5.11 failed in Odin.
I tried few modems but none of them worked. I hope you can help me...
Thank You very much for reading...
Click to expand...
Click to collapse
Well, once you go to nougat, you can't really downgrade.
falconsson said:
I have this N920C 64GB version from Dubai.
I am in Turkey so I have to use a Turkish Sim Card.
The phone had Marshmallow on it when I came to Turkey.
I updated it to Nougat. The sim card didn't work. I had a Marshmallow TWRP backup. I only restored the EFS & Modem. So it carried on working until yesterday when I tried to download the latest firmware from Sammobile. I did exactly what I did before. I flash the firmware, then "not registered on the network" pops up. I restore the EFS & modem, then "IMEI and Baseband" turns "unknown". Restoring the whole backup didn't work either. (It used to work before..)
I tried to downgrade to Marshmallow, it fails every time, (OEM unlocking and USB debugging is on.)
I tried everything what I already know and everything I read on the internet, since yesterday. Now I am downloading the multi-file firmware fix for Marshmallow to see if it works, because multi-file fix firmware for Lollipop 5.11 failed in Odin.
I tried few modems but none of them worked. I hope you can help me...
Thank You very much for reading...
EDIT: I have downgraded from Nougat to Marshmallow successfully by flashing a custom rom.
IMEI & Baseband shows normal but still cannot make or receive calls. I can see the signal bars strength but "Not registered on network" error continues.
Flashing modems still doesn't work. Flashing official 6.0 fails too...
Is there anyone who can help?
Thank You...
Click to expand...
Click to collapse
Download and flash nougat firmware for your region and check. Or the next remaining thing to do is use samsung kies to recover device to original.
Hi there. I have some difficult trouble with my imei. After installing an official rom with odin i got my imei1 changed to another one. Beause of that, there is "only emergency calls" displaying and mobile services aren't working.
Smart switch is useless, cuz my phone was previously used by another person i bought it from. So, Switch asks an emergency repair code from an old PC, but the previous owner doesn't have a clue about that code.
Combination rom can't be installed, ofc.
Other roms i've tried to install don't give any result. There were different official roms with different versions and CSC, a couple of customs, separate parts of roms.
Also I've done all possible wipes in different order and different ways.
Additionally, i've tried to change imei1 to my default imei using Magisk Modules, Xposed Modules and terminal emulator.
Soooo, guys, help me please, can i fix it someway?
*bump*
Hello
I need help, some days I tried to install a GSI ROM on my XT1944-3 however it never booted up, after returning back to my previous backup I noticed that the sim isn't recognized by the phone, at this point I tried reinstalling the firmware, even I tried flashing the NON-HLOS from the dual sim variants without success
As you can see in the screenshot that I attached also I lost other numbers
Also I checked the IMEI on blacklist and it's clean
I don't know if someone else faced this before and could solve it, please help me
realthrash said:
Hello
I need help, some days I tried to install a GSI ROM on my XT1944-3 however it never booted up, after returning back to my previous backup I noticed that the sim isn't recognized by the phone, at this point I tried reinstalling the firmware, even I tried flashing the NON-HLOS from the dual sim variants without success
As you can see in the screenshot that I attached also I lost other numbers
Also I checked the IMEI on blacklist and it's clean
I don't know if someone else faced this before and could solve it, please help me
Click to expand...
Click to collapse
If you are still having issues, you probably just need to re-install firmware, then OTA updates and that should restore the sim.
Do you know the IMEI numbers ? Then it's easy with Code *#6813# insert and press ok
-i have also problem with imei i installed
[ROM][10.0.0_r41]LineageOS 17.1 for Moto E5 (nora) + Recovery [64Bit] mmoto e5 work fine imei is restored
I have tried many custom roms but when i flash it, my imei number becomes unknown and i can't use my wifi and my sim is not detected. I tried and followed every steps but it happened every time. Then when i used the motorola rescue tool and flashed my own firmware i got my imei number back and sim and wifi are also working. I want to use a custom rom, which custom rom should i use?
aniruddhapal said:
I have tried many custom roms but when i flash it, my imei number becomes unknown and i can't use my wifi and my sim is not detected. I tried and followed every steps but it happened every time. Then when i used the motorola rescue tool and flashed my own firmware i got my imei number back and sim and wifi are also working. I want to use a custom rom, which custom rom should i use?
Click to expand...
Click to collapse
I tried with leveno app and I can back it up, but still got null baseband not found. I know I asked from you a lot but is there anyway backup EFS and presit (sorry my spelling) into an twrp backup?
Because even I flash the stockrom, it dosent find IMEI numbers and the carrier