A8 Not registering on network after twrp flash - Samsung Galaxy A8 (2018) Accessories

Hi, before I flashed my A8 with TWRP I was able to make calls, however after installing the TWRP which I managed with my poor computer skills it's showing me "not registered on network" message. I'm really stuck here and need help resolving this issue. Does anybody have any idea how to proceed? Thanks!

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[Q]HDC Galaxy S4 Legend - "SIM is not detected"

I have a HDC Galaxy S4 Legend and for now the problem is that it says "SIM is not detected" also I see that IMEI is null.
How I got to this situation? I' really a newbie in all this things, I just wanted to install a new ROM and after reading and searching and trying to install some kind of recovery files I got a recovery menu in Chinese. Because I didn't know what option to choose I selected something after that the phone started to vibrating and doing some noisy signal I just took off the battery cause it didn't stop. So, of course it did something bad, but after
more straggling I found a recovery file that showed me an English menu then I installed the new ROM hopping it will solve my problem. But, it is not. My phone is working fine (really surprising for me), but thew IMEI is null and SIM is not detected.
What can I do?
I tried to write IMEI inside MTK Tools (GPRS option) but it says "Fail to write IMEI due to radio unavailable or something else"
Also I tried to enter CDS Information --> Radio Information and type AT+EGMR=1,7,"MY IMEI" and I got "AT command is failed to send"
Before "doing all phone tricks" I did a backup from recovery menu, I got this file but I don't know if it can help me to restore IMEI.
Please someone help me, I'm so lost and disappointed.
Waited for a phone so long and now cannot use it.

THL W8S : IMEI invalid after few flash

Hello everybody,
I bought recently my thl W8S, and I was experiencing some troubles with the battery charging (taking 10 hours) and my GPS connection.
So I decided to flash it via CWM. But I'm very new in the flashing and all this stuff. I tried a lot of things to get CWM , even thing I didn't know.
The problem of my IMEI came out atfer I installed this :
http://forum.xda-developers.com/showpost.php?p=19319421&postcount=23
The recovery installer apk, I just click on it and when my phone rebooted, I didn't have any access to my SIM management, no more coverage of course.
I tried the *#06# and my 2 IMEI are just marked as "INVALID".
Since yesterday I tried few different operations to get if fixed but nothing is working.
I tried to use the engenering mode (menu CDS, Network information) and send the AT command with the IMEI but I got an error message : AT command is failed to send.
Then I tried to recreate the MP0B_001 file with some tools I downloaded. And I put it in the right folder (/data/nvram/md/NVRAM/NVD_IMEI/MP0B_001) instead of the old file. I reboot my phone, still the same trouble.
I'm kind of desesperate right now.
Any thoughts / ideas?
I can't find the stock rom to try to flash it with Odin ..
Thank you
Hello
I tried to do this but I can't send any AT command , error message is : AT command is failed to send
Any other idea please?
Hi, Did you finally managed to fix the imei issue? I have the exact same problem.
I have the exact same problem. Who successfully solve this problem?
If you didn't back up your efs partition then the only other allowed way is to send it back to the oem.
Thread closed.

[SOLVED] i9300 Not registered on network

Hi eveyone,
i have a i9300, i wanted to flash the newest firmware so i downloaded it from sammobile, it is the "I9300XXUGOB2_I9300DREGOB1_DRE" but now i can't call anyone, i just get "Not registered on network", i tried flashing other modems in twrp but i get "unable to mound /preload" ...
I am from Bosnia & Hercegovina, does anyone has an idea how to solve the problem
Please help me, thanks in advance
EDIT: Got it working following this : http://forum.xda-developers.com/showthread.php?t=2539731

Help my Acer Z205 After Bootloop, now Lost IMEI and Network Locked.

Thanks Before,
Hi Expert, First of all i root the Device, and then request to restart, update automatically, suddenly my gear get ( bootloop ), after that i'm starting the instruction for flashing, when it's done, my Gear get "INVALID IMEI" and the Network just locked and the option of SIM Management also lost.
i'm using stock Firmware "acer_AV0K0_z205p_1.002.10.EMEA-TM0HRS, also still using MT6572_Android_Scatter.txt, Recovery.img and Flashtool v.5.1416.00 and start the tutorial, and whoalaa.... this is the trouble begin.
Somebody Can HELP ME.....???
Regards,
Andri Utama Siregar, SH
Acer Z205

Galaxy S6 Edge (G925F) Unknown Baseband and missing imei

Hey everyone!
I have a Samsung Galaxy S6 Edge G925F that will not connect to a cellular network and wont display my IMEI serial number or SIM Status.
I have tried everything:
Flashing Stock ROM with ODIN (Just get a fail)
Flashing multiple modems and AP's
Backing up and restoring my efs
The phone still boots and I have backups of my supposedly corrupted EFS
This happened after flashing a 5.1.1 rom in ODIN
My stock rom is: G925FXXS4DPIB
Nothing works. Please I need help and I dont have access to a Octopus box to re write my efs either, is there a way I can fix it.
When I put my phone into diagnostic phone with qualcomm's tools I just get a "Device has malfunctioned" error, I'm using Windows 10 64bit
NathansTech said:
Hey everyone!
I have a Samsung Galaxy S6 Edge G925F that will not connect to a cellular network and wont display my IMEI serial number or SIM Status.
I have tried everything:
Flashing Stock ROM with ODIN (Just get a fail)
Flashing multiple modems and AP's
Backing up and restoring my efs
The phone still boots and I have backups of my supposedly corrupted EFS
This happened after flashing a 5.1.1 rom in ODIN
My stock rom is: G925FXXS4DPIB
Nothing works. Please I need help and I dont have access to a Octopus box to re write my efs either, is there a way I can fix it.
When I put my phone into diagnostic phone with qualcomm's tools I just get a "Device has malfunctioned" error, I'm using Windows 10 64bit
Click to expand...
Click to collapse
Wow that's the most awful thing that can happen to you.. I had the same problem as you on a MTK device.... I don't know about this device. But I tried with a app that let's you rewrite the IMEI number.. but this didn't worked for me.. maybe it will work for you.. wait some other guys here will respond asap .. also check on YT about your problem. I am sure there you will find what are looking for.
StonebridgeGr said:
Wow that's the most awful thing that can happen to you.. I had the same problem as you on a MTK device.... I don't know about this device. But I tried with a app that let's you rewrite the IMEI number.. but this didn't worked for me.. maybe it will work for you.. wait some other guys here will respond asap .. also check on YT about your problem. I am sure there you will find what are looking for.
Click to expand...
Click to collapse
The imei app your talking about only masks the imei number and doesn't permanently change it back to what it was. Thanks for trying to helping though

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