I have a prototype G955U,And can't make a phone call after flashing the newest Rom - Samsung Galaxy S8+ Questions & Answers

I am a Chinese, so my English is not good, but I have a problem right now. I got a prototype g955u 20 days ago, when I got the phone, I can use it to make phone call with GSM or CDMA, but the system runs very slowly, then I tried to flash the newest Rom, maybe the Odin version is not right,it crashed,and can't make it couldn't into the downloading ,then I got help from taobao, and restore the imei ,and then I 've tried any Rom I can flash,but every time i try to make phone call , it shows "can't register on line "like this,then I input *#0011# I found the final one check fail,but I have restore the imei,and it is right now,I think maybe the kernel is not right, it was a test kernel,i 've been trying to figure this out for days, so anyone can help me,now i have no idea.

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Still No phoe signal But Everything else works help Please

I Updated my tilt phone to (Dutty_s_WM6.1_Official_UC_5.2.19199_RTM)
and now i have no phone signal.. Tired Alot of different raidos but still no fixes..i need my phone dont want to go back to my old one somebody help....
I have Also have flashed diffrent rom still same problem... could it be my sims card?
although it does work on my old phone
flashed the orignal and still nothing
HELP I NEED MY PHONE
Maybe someone can tell me why would it have changed going to the new up date .... but if i go back to duttys previous ver. it doesnt work ?????
WILLIEGONZA said:
I Updated my tilt phone to (Dutty_s_WM6.1_Official_UC_5.2.19199_RTM)
and now i have no phone signal.. Tired Alot of different raidos but still no fixes..i need my phone dont want to go back to my old one some body help....
I have Also have flashed diffrent rom still same problem
Click to expand...
Click to collapse
I'm not sure why this is happening to you, there is a test rom on the wiki somewhere try flashing one of the test roms here sorry i cant help more,
http://wiki.xda-developers.com/index.php?pagename=Kaiser_ROMs
Go to the Comm Manager and make sure the Phone is turned On and Flight Mode is OFF
This has happened to me with a few ROMS.
wish it was that easy but no
When i bought my tytn 2 i had same problem .
try to go in SETTING/PERSONAL/PHONE
then select tags BAND in the bottom of screen.
Usually you'll find :
Select your network type = Auto
Select your GSM/UTMS band = Auto
Try to force this parameters according your mobile company .
then make a Network selection manually .
I hope this help you.
Ciao
Luca
tried that 2 nothing
The only other thing that helped when this happened to me was to flash the Original Shipped ROM.
i hate myself should of left your first one alone.... flash that old one and still the same..phones still not working
But even in a manual search didn't show any phone company?
I have the same signal problem here. I trying to get a AT&T Tilt to work here in Brazil. Tried all available ROMs and Radios. Tried every available configuration stteing on the phone (band, connection etc). Flashed the phone back to the original ROM(adn Rdaio) and NOTHING.
I still waiting a miracle from heaven!
goingtobrazil said:
I have the same signal problem here. I trying to get a AT&T Tilt to work here in Brazil. Tried all available ROMs and Radios. Tried every available configuration stteing on the phone (band, connection etc). Flashed the phone back to the original ROM(adn Rdaio) and NOTHING.
I still waiting a miracle from heaven!
Click to expand...
Click to collapse
Tim , Vivo or Claro?
I resolved on mine (tim) with follow:
try to go in SETTING/PERSONAL/PHONE
then select tags BAND in the bottom of screen.
Usually you'll find :
Select your network type = Auto
Select your GSM/UTMS band = Auto
Try to force this parameters according your mobile company .
then make a Network selection manually .
Ciao
Luca
showed att operator picked that then it asked to restart and still nothing
WILLIEGONZA said:
showed att operator picked that then it asked to restart and still nothing
Click to expand...
Click to collapse
You have a BAAAAAAAAD ROM flash....
Take a deep breath and relax. I suggest hard reset first then remove your SIM card and re-insert. make sure the cut out edge of the SIM is the out side not on the inserted side.
Make sure you have a ROM, and i would suggest one that does NOT have the radio cooked with it. It can be Dutty's or Sleuth. I recommend Sleuth's ROM for I find it more robust. Flash properly and you will have your phone back.
BTW... remove your SD ( Memory Card ) before you start the flash.
Good luck.

[Q] Tablet is not provisioned. Please insert valid SIM card and reboot

Hi Guys,
Can I get some help with the following please:
Issues: When power on my Xoom(MZ601), I get the following error "Tablet is not provisioned. Please insert valid SIM card and reboot"
Steps taken to troubleshoot
1. Restore to factory settings and when reboot, I will get the above error. I wont be able to get into the tablet with that error.
2. Install custom rom - Will be able to get into the device but does not have any signal be it 2G/3G. Only can use wifi. When try to set the APN, nothing will happen.
I am suspecting I messed with the baseband version and causes this issue. I am currently on baseband 07P. I am trying to a way to fully restore back the device to factory settings include the baseband itself to see if this will fix the issue.
Is there anyway I can get a copy of the baseband N_01.100.05P file so I can try?
Thank you very much for any form of help.
Hi,
I never saw such a problem, but if the problem is really the baseband I think you can try restoring to 100% stock (find how to do it on our FAQ), then you update until the latest version in your country, then you root again (you can find it on the FAQ again), and then give me a shout to know what happens
Good luck!
"This Story Ends Where It Began" - Octavarium (Dream Theater)
Thanks for your reply!.
I have tried what you've suggested where I restore it to full stock but end up just getting the same error message. I'm using this package (MZ601_H.6.1-38-9_Other_International_Retail)
I even tried to restore it to (MZ601_H.6.1-38-1_Retail_Europe) whereby it actually allows me to setup my tablet and I'm able to get into the device finally which was a good sign BUT, I guess Europe spec's doesn't support my telco's , therefore again, I did not manage to fix the issue.
The same sim, if it were to insert to any of my other devices, it will just work fine.
And when I was doing the europe package, the baseband change to some older ones at first, then as I upgrade it with the stock patches, in the end it went back to 07P again!!!!
Is there any way I can find the baseband 05P files so I can try to flash it back and see if it works? I strongly believe I've messed up with the baseband file whereby now my device cannot find signal.
If there's anymore posibble area that you think I've posibbly messed up, please let me know. I have played with the device long enough but this time I'm really stucked. .
Appreciate your big help!

S6 Won't Register - Script needed

Hey fellow XDA'ers, I have a strange problem on my G920T that's been bugging me for a while. After flashing a custom ROM, my EFS was messed up. Thankfully I had backed it up prior to any custom ROMs. All works well n the phone except whenever it's rebooted it fails to register to T-Mobile's network. So I have to bring up the dialer, type in *#2263# and choose Band Selection, then LTE, then LTE All (which is already asterisked) and tap it again. Only then will it register on the network and then works fine. I've tried everything under the sun including restoring EFS backup, flashing back to stock, etc., to no avail.
I'm wondering if anyone knows of or can write a script that automatically runs the above process after reboot. I don't know enough to do so, and I'm not sure one exists. Not a vital request, more of an "I'm not going to be beaten by my phone" kind of thing. I'm willing to throw a $$ donation if someone were to write or provide a working script. Thanks!
xJMHx said:
Hey fellow XDA'ers, I have a strange problem on my G920T that's been bugging me for a while. After flashing a custom ROM, my EFS was messed up. Thankfully I had backed it up prior to any custom ROMs. All works well n the phone except whenever it's rebooted it fails to register to T-Mobile's network. So I have to bring up the dialer, type in *#2263# and choose Band Selection, then LTE, then LTE All (which is already asterisked) and tap it again. Only then will it register on the network and then works fine. I've tried everything under the sun including restoring EFS backup, flashing back to stock, etc., to no avail.
I'm wondering if anyone knows of or can write a script that automatically runs the above process after reboot. I don't know enough to do so, and I'm not sure one exists. Not a vital request, more of an "I'm not going to be beaten by my phone" kind of thing. I'm willing to throw a $$ donation if someone were to write or provide a working script. Thanks!
Click to expand...
Click to collapse
Before you do that, is the custom ROM based on the same baseband your phone has?
Yes, the custom ROM is based on the same baseband - which is a great question. I’m using the stock rooted deodexed deKnoxed DOJ7 T-Mobile variant ROM with DOJ7 baseband. I’m DOJ7 across the board. This problem has persisted through multiple stock and custom ROMs. It seems to have started when I flashed the Back to N0t3 Note5 port to S6 ROM. I also get the Security Error: Your device has been flashed blah blah blah - but only when manually registering on the network.
I’ve been around the block as far as rooting and customizing my phone for a good while, and I’ve tried every trick I know to get this straightened out. SIM card works fine on my wife’s identical S6, so it’s not that. Short of hardware failure (which isn’t likely based on functionality when manually registered on network), something in some file was erased or corrupted and I can’t figure it out. Thanks for your question.
scrosler said:
Before you do that, is the custom ROM based on the same baseband your phone has?
Click to expand...
Click to collapse
Hi
Did you ever manage to get it fixed I'm having the same problem on my g920f and my imei is 350000000006 and serial all zeros
Thanks
Mav

Reverted Axis Touch screen BUG Please help

So I've been trying to install a MM rom for some time now, and 2 days ago, the screen started to not answer properly, touching left would touch right and the other way arround. I've seen a lot of thread saying to type *#2663# in the dialer to update the touch firmware but i get "connection problem or invalid MMI code". I've tried to fix that too, people we're saying to reboot, do a factory reset, check that the good network is there. No luck.. I've also tried to install stock back, but I was getting another error in Odin. I think I tried everything.. I really need your help now.. If someone can help me, please say it in the chat.
My phone is a Canadian Bell Galaxy s6: SM-G920W8
Right now the model number in the phone is SM-G925K but I'm pretty sure it was W8 variant..
thanks a lot

Samsung S8+ HK Snapdragon Radio problem

Hi guys, i have a question. Recently i got weird problem, my sim card stopped working overnight, Everything is normal, there is info about simcard, number, imei, everything, i tryed changig sim, but all sims that i tryed act the same. Things that i find that are wrong. In siminfo Radio is off, and airplane mode icon is always on, even if i turn it off in settings icon is still blue, i tryed flashing lates rom over odin, and it didnt work, i also tryed flashing custom rom (one that i found that is not on some wier chinese site that ask for my chinese number), twrp and still nothing, i lost a few days, and i need some help, i tryed everything i know. I cant go and enter *#*#4636#*#* to see siminfo and turn radio on(something that i saw on YouTube), that code dosent work on my device. I even tryed dissasembly the phone to see if everything is conected, and i dont find anything unusual, everything is in place. So please if anyone can help me that would be grat.
Im sorry im not native English speaker, and i apologize for my bad writing
Looks like a damaged efs partition
Well, it may be, but i have EFS backup when was okay(i learned thats important, hard way on s4 ), but everyting seems okay, i finally find right combination rom, and sim card seems to work fine, i cant call to conform, but its on 4g connection, and signal strenght is changigng just fine. And as soon as i flash stock rom radio goes off.
I actualy solved my problem, i flashed combination rom and tur radio on, right after that i flashed stock rom without CSC, and it worked, i got error on decryption, but i just wipe/factory restart from recovery, and it worked. So if anyone have some problem with ther S8+ g9550 PM me, ill try to help out.

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