[Q] Major problem with S3 and Network - Galaxy S III Q&A, Help & Troubleshooting

So my phone was getting slow and I decided to flash a rom that I used on to it. It's the same Rom I had on it before.
Then I realized I couldn't make any calls, it kept on saying "Not registed on network"
I tried everything I found.
- Tried flashing two modem files on to it
- Tried upgrading to 4.3
- Unroot and Triangle Away to get factory restore using Kies (it restored to 4.3)
- I tried flashing more modem files
Now it's saying No Service "Selected network not available"
What can I really do to get my phone back?

donperry said:
So my phone was getting slow and I decided to flash a rom that I used on to it. It's the same Rom I had on it before.
Then I realized I couldn't make any calls, it kept on saying "Not registed on network"
I tried everything I found.
- Tried flashing two modem files on to it
- Tried upgrading to 4.3
- Unroot and Triangle Away to get factory restore using Kies (it restored to 4.3)
- I tried flashing more modem files
Now it's saying No Service "Selected network not available"
What can I really do to get my phone back?
Click to expand...
Click to collapse
sounds like you formatted your efs partition. did you make a backup?

H0pesfall said:
sounds like you formatted your efs partition. did you make a backup?
Click to expand...
Click to collapse
No I did not make backup...
Can't remember selecting that option either but if that's what it is ...

donperry said:
So my phone was getting slow and I decided to flash a rom that I used on to it. It's the same Rom I had on it before.
Then I realized I couldn't make any calls, it kept on saying "Not registed on network"
I tried everything I found.
- Tried flashing two modem files on to it
- Tried upgrading to 4.3
- Unroot and Triangle Away to get factory restore using Kies (it restored to 4.3)
- I tried flashing more modem files
Now it's saying No Service "Selected network not available"
What can I really do to get my phone back?
Click to expand...
Click to collapse
Sounds like you lost your IMEI number, check in system settings if it says 0000.
EFS partition could be corrupt or unreadable.
Look here: http://forum.xda-developers.com/galaxy-s3/general/ref-imei-efs-stuff-i9300-including-t2393289

user2k10 said:
Sounds like you lost your IMEI number, check in system settings if it says 0000.
EFS partition could be corrupt or unreadable.
Look here: http://forum.xda-developers.com/galaxy-s3/general/ref-imei-efs-stuff-i9300-including-t2393289
Click to expand...
Click to collapse
IMEI number in status is the same as written behind the battery. So that's still in tact

anyone else?

Sent from my HTC One X using XDA Free mobile app

I got the same problem once when i shifted to a new rom. Just search the forums and find a modem that suits your country. I used XXEMG4 modem.
When you find the file, it would be dot rar. Put it in your external Sd card, reboot in recovery and just flash that file.

Since you're on 4.3 then your EFS partition format differs than 4.1.2's EFS partition format, so don't bother flashing a Modem for EFS 1, as 4.3 uses EFS 2 Modems XXEMG4+.
Try to get the latest modem file for your device (Either MK6 or NA8) then get the modem.bin out of the Archive, then flash it to the phone using Odin's CP / Phone button not PDA.
Sent from my GT-I9300 using Tapatalk

Saad_ said:
Since you're on 4.3 then your EFS partition format differs than 4.1.2's EFS partition format, so don't bother flashing a Modem for EFS 1, as 4.3 uses EFS 2 Modems XXEMG4+.
Try to get the latest modem file for your device (Either MK6 or NA8) then get the modem.bin out of the Archive, then flash it to the phone using Odin's CP / Phone button not PDA.
Sent from my GT-I9300 using Tapatalk
Click to expand...
Click to collapse
That sounds like a plan
I found the CWM for NA8... But i can't seem to get proper CWM on my phone. When my phone boots in recovery mode i'm not seeing some of the usual menu items.

donperry said:
That sounds like a plan
I found the CWM for NA8... But i can't seem to get proper CWM on my phone. When my phone boots in recovery mode i'm not seeing some of the usual menu items.
Click to expand...
Click to collapse
donperry said:
That sounds like a plan
I found the CWM for NA8... But i can't seem to get proper CWM on my phone. When my phone boots in recovery mode i'm not seeing some of the usual menu items.
Click to expand...
Click to collapse
You can try other Recoveries like PhilZ and TWRP.

Saad_ said:
You can try other Recoveries like PhilZ and TWRP.
Click to expand...
Click to collapse
PHONE FIXED!!!
1. I used RASHr from the play store to download CWM touch
2. copied these two files (below) and flashed them using CWM recovery
Rebooted and my phone is back!
Initially, it says no network and you see a signal not available symbol, but after 10 seconds it was alright
In this RAR are the two zip files I flashed:
https://www.mediafire.com/?m64vwcii7d914dv

donperry said:
PHONE FIXED!!!
1. I used RASHr from the play store to download CWM touch
2. copied these two files (below) and flashed them using CWM recovery
Rebooted and my phone is back!
Initially, it says no network and you see a signal not available symbol, but after 10 seconds it was alright
In this RAR are the two zip files I flashed:
https://www.mediafire.com/?m64vwcii7d914dv
Click to expand...
Click to collapse
Does non-touch vs touch CWM make a difference for mobile data??

n0stalgia said:
Does non-touch vs touch CWM make a difference for mobile data??
Click to expand...
Click to collapse
I dont know, don't think so.
I just couldn't do it with whatever version i had on

donperry said:
PHONE FIXED!!!
1. I used RASHr from the play store to download CWM touch
2. copied these two files (below) and flashed them using CWM recovery
Rebooted and my phone is back!
Initially, it says no network and you see a signal not available symbol, but after 10 seconds it was alright
In this RAR are the two zip files I flashed:
https://www.mediafire.com/?m64vwcii7d914dv
Click to expand...
Click to collapse
Flashing this kernel makes my phone stuck in boot loop, and flashing just the modem doesn't solve the network state disconnected

Related

[Q] I downloaded archidroid ROM, after a few days my phone stuck...

today my battery went down to zero and then my phone stuck on the menu screen.
i rebooted but then my phone got stucked on the samsung galaxy 3 logo.
i tryed to wipe files and catche but it didnt helped,
i tryed to install the ROM again but it didnt helped...
i can get to the recovery and download mode, but my phone still stuck on the stuped logo...
what to do?
sry if i have spelling mistakes...
You have corrupted one or more partitions, try a factory reset after flashing your custom rom again.
If that doesn't work then use Odin to flash a stock firmware, then factory reset.
Sent from my GT-I9300 using Tapatalk
thx but...
boomboomer said:
You have corrupted one or more partitions, try a factory reset after flashing your custom rom again.
If that doesn't work then use Odin to flash a stock firmware, then factory reset.
Sent from my GT-I9300 using Tapatalk
Click to expand...
Click to collapse
sorry but what "flash a stock firmware means?"
how do i do that?
do you have links?
ty!
Go read the sticky thread in general forum, you are missing basic information.
Sent from my GT-I9300 using Tapatalk
boomboomer said:
Go read the sticky thread in general forum, you are missing basic information.
Sent from my GT-I9300 using Tapatalk
Click to expand...
Click to collapse
ok so i should download the firmware achieve from my area
then i just flash original ROM?
this is the instruction page: http://forum.xda-developers.com/galaxy-s3/general/fix-s3-to-factory-unroot-stock-recovery-t2323847
then im done?
i need to change the recovery thing too?
or i can just start from procces 4?
i did what u told me
i used odin to flash
then it stucked on samsung logo
so i went to the recovery, and i wiped the things
but it didnt helped, it still stucked on the samsung logo..
i noticed some red lines in the recovery that says
"failed to mount /efs(invalid argument"
what is that means?
orial10 said:
i did what u told me
i used odin to flash
then it stucked on samsung logo
so i went to the recovery, and i wiped the things
but it didnt helped, it still stucked on the samsung logo..
i noticed some red lines in the recovery that says
"failed to mount /efs(invalid argument"
what is that means?
Click to expand...
Click to collapse
Means you screwed the efs partition when flashing an incompatible modem with your efs version.
If you flashed a 4.1.2 firmware and got that error, try and flash a mg4 or above modem to see if it gets solved. Or flash a 4.3 firmware altogether.
Read rootSU post on efs, it's a must.
Of you ever backed up your efs or used twrp recovery to make a nandroid backup (which also backs up efs) you might get it back by restoring it.
Otherwise, a patched kernel, modem or ariza patch would be the last available choice before sending to repair.
dxppxd said:
Means you screwed the efs partition when flashing an incompatible modem with your efs version.
If you flashed a 4.1.2 firmware and got that error, try and flash a mg4 or above modem to see if it gets solved. Or flash a 4.3 firmware altogether.
Read rootSU post on efs, it's a must.
Of you ever backed up your efs or used twrp recovery to make a nandroid backup (which also backs up efs) you might get it back by restoring it.
Otherwise, a patched kernel, modem or ariza patch would be the last available choice before sending to repair.
Click to expand...
Click to collapse
can you explain or give me some links how to do that?
orial10 said:
can you explain or give me some links how to do that?
Click to expand...
Click to collapse
I mean, go to the stickies in the general section and read. They're there for a reason, including steps before rooting, flashing, information on the efs partition, and pretty much everything else you could have done to avoid the situation you're facing right now.

Efs restore help needed urgent

my main problem is my EFS is totally corrupted. i have yellow writing on my ROM which i have read is permanent safe mode and that i need to restore my efs. Sadly i dont think i salvaged enough, i made a EFS backup yesterday (sort of) before i started fiddling around to try and unlock my phone. i have the .img file and .tar file on my PC but i have read you need a gz file?
When making the backup i was on custom 4.3 ROM and im now on stock 4.3 rooted.
UPDATED
i have attempted to restore my efs using a the utility here http://forum.xda-developers.com/galaxy-s3/general/tool-backup-restore-efs-imei-sgsiii-t1901098
however i get this pop up and when i reboot its just stuck on the blue Samsung logo and wont boot into the rom
http://gyazo.com/e0f93bc00b9355d7e58712f5bd162e53
History of my actions
1) had working rom perfect - made efs backup using galaxasim unlock
2) IMEI corrupt from an update
3) did super wipe on phone and installed stock rom using ODIN, after update phone just got stuck on samsung logo
4) flashed this file which got my rom working again but of course i had a corrupt IMEI https://www.youtube.com/watch?v=xJMJLdzHaAY
5) restored EFS and now phone wont get past samsung logo again (tried clearing cache and wipe data, I also get this error when doing a full wipe from phil CWM [formatting /sd-ext unknown volume for path [/sd-ext]
any help?
ElimElim said:
hi all
after trying to unlock my s3 with constant roms and then imei problems it seems now i am at a dead end needing help
i tried to flash a custom rom and it didnt work.. my phone is at a complete dead end with the whole phone memory erased and im constantly getting message
error mounting /sdcard/.android secure. when doing factory data or clearing cache. the phone just boots to samsung galaxy s3 screen and all i can do is access CWM.
i just want to put stock rom and get it running for now, at the moment it wont mount the SD card for some reason even though my phone has no external sd its using the built in memory.
please help me
Click to expand...
Click to collapse
Have you tried to restore stock rom with ODIN?
gabyif said:
Have you tried to restore stock rom with ODIN?
Click to expand...
Click to collapse
edited op
bump desperate help needed.
ok guys after staring at a screen all day ive got it working
data, calls, imei all recognized after i copied my whole efs folder from backup into the new one
however i still have yellow writing? ive tried editing factorymode to OFF but its still there?
update: fixed it now
ElimElim said:
ok guys after staring at a screen all day ive got it working
data, calls, imei all recognized after i copied my whole efs folder from backup into the new one
however i still have yellow writing? ive tried editing factorymode to OFF but its still there?
update: fixed it now
Click to expand...
Click to collapse
Post how you did it anyway.
Choristav said:
Post how you did it anyway.
Click to expand...
Click to collapse
good point
very helpful page here http://zidroid.com/how-to-exit-factory-mode-for-samsung-galaxy-devices/

*URGENT* Did I hard-brick my phone? Or are there any hope?

Hello guys,
yesterday i tried to install a rom, i accidentally formatted everything (including internal storage) and when i tried to reboot; it didn't. I just tried to install a stock rom with SM-G925F BUT not corresponding country of mine (on kies3 mine has AFG in paranthesis .wtf. ?), then i downloaded firmware from sammobile which has name;
G925FXXU2BOGB_G925FOJV2BOG8_G925FXXU2BOGE_HOME.tar
I kept flashing this rom and twrp recovery to reach into adb mode to flash any rom to just save my ass from losing efs/imei even if i did. But it doesnt.
To tell the problem in a way more understandable way;
The device cant boot itself.
I cant reach it from mtp or adb.
I can only get in download mode. whatever i do flash doesnt work.
it also says that cant mount efs (this part is im scared of.)
EDIT: I dont have any backup of efs.
The phone was 5.1.1 also tried to downgrade.
also tried flashing g925f pit file
EDIT2: Bought otg and flashed another rom but still the same issue... Please help me guys...
EDIT3: The Required download links will be on the top of the OP
Thanks for answers!
Did you try to flash stock firmware with Odin ?
DocFreeDom said:
Did you try to flash stock firmware with Odin ?
Click to expand...
Click to collapse
yes I did, I also tried different kinds of roms for g925f to just make sure. I also fetched the rom that smartswitch wanted to flash; which means I have already tried all the methods from the choices of a noob like me ( if i get to this point this means im noob ) will ever know.
I will appreciate a help to unbrick my phone so i can enjoy my beer with him
vanderax said:
Hello guys,
yesterday i tried to install a rom, i accidentally formatted everything (including internal storage) and when i tried to reboot; it didn't. I just tried to install a stock rom with SM-G925F BUT not corresponding country of mine (on kies3 mine has AFG in paranthesis .wtf. ?), then i downloaded firmware from sammobile which has name;
G925FXXU2BOGB_G925FOJV2BOG8_G925FXXU2BOGE_HOME.tar
I kept flashing this rom and twrp recovery to reach into adb mode to flash any rom to just save my ass from losing efs/imei even if i did. But it doesnt.
To tell the problem in a way more understandable way;
The device cant boot itself.
I cant reach it from mtp or adb.
I can only get in download mode. whatever i do flash doesnt work.
it also says that cant mount efs (this part is im scared of.)
EDIT: I dont have any backup of efs.
The phone was 5.1.1 also tried to downgrade.
also tried flashing g925f pit file
EDIT2: Bought otg and flashed another rom but still the same issue... Please help me guys...
Thanks for answers!
Click to expand...
Click to collapse
Hi
i had a big problem with anability to mount any partitions through the flashed TWRP recovery i had on the S6 edge, lucky me i had a full backup including the EFS partition, and could either boot into download mode or TWRP, but as you unable to flash anything properly.
Odin, flash multiple roms...
Samsung Smart Switch and kies, emergency recovery providing the model + serial number failed
To top it all, i had reactivation locked enabled....
Now for the EFS, if you are able to get TWRP installed and running from it mount a USB OTG and backup the EFS partition
Here are links for Kernel by Alex-V
https://www.androidfilehost.com/?fid=24052804347765201
TWRP from Team Win
https://dl.twrp.me/zeroflte/
You would need to root after that, but thats not your problem at the moment, and for me the kernel is needed or else i will stay stuck and can only go into downoad mode
When almost everything for me was at the point i had hard bricked my phone i fixed it with Odin in the end
Firmware SM-G925F / G925FXXU2COH2
http://samsung-firmware.org/download/Galaxy S6 edge/31bd/XEU/G925FXXU2COH2/G925FOXA2COH2/
At first this also did not work, but i kept looking and was thinking if it cant mount anything, partitions might and probably were corrupted
PIT files that can be used, normal and ones with different HIDDEN sizes
http://forum.xda-developers.com/gal...925-pit-files-multi-thread-download-t3171636/
For me the first standard one failed at the hidden.img everytime until i used the last one which was
ZEROLTE_EUR_OPEN_HIDDEN300M.pit
Flashed completed all the way and rebooted on its way to the android normal post flash install process
During the process it first complained about DATA partition being corrupted and needing to flush it, then rebbotted to complain about internal storage needing to also be flushed.
On the final reboot, it went all the way in to the normal setup, accounts etc.
At this point i was again stock and 100% fixed minus the EFS partition
At this point rebboted into download mode, flashed TWRP
Remember to copy the modded Alex-V kernel and the super-su zip files if you want to avoid sweating some more!!
I plugged my USB OTG with my full TWRP nandroid backup and restored it all, EFS included, at this point the state of the S6 was again 100% operational
Hope this helps you and others.
PS. Verify before flashing anything that those can be used on your phone or if not find the equivalent files you need to do so.
The culprit that caused the problem to start with was stickmount app by chainfire who makes Super-SU!!
What happened is i instaled it, then it told me it needed to copy some extra files, at that point during the copy, the S6 rebooted and was stuck in an endless bootloop
That happened with the abobe firmware linked above, using that kernel and that version of TWRP flashed on the phone with Super-SU 2.46 installed
Even going with Aroma Explorer and deleting everything i could find on the phone related to stickmount did not fix the problem
Z0D said:
Hi
i had a big problem with anability to mount any partitions through the flashed TWRP recovery i had on the S6 edge, lucky me i had a full backup including the EFS partition, and could either boot into download mode or TWRP, but as you unable to flash anything properly.
Odin, flash multiple roms...
Samsung Smart Switch and kies, emergency recovery providing the model + serial number failed
To top it all, i had reactivation locked enabled....
Now for the EFS, if you are able to get TWRP installed and running from it mount a USB OTG and backup the EFS partition
Here are links for Kernel by Alex-V
https://www.androidfilehost.com/?fid=24052804347765201
TWRP from Team Win
https://dl.twrp.me/zeroflte/
You would need to root after that, but thats not your problem at the moment, and for me the kernel is needed or else i will stay stuck and can only go into downoad mode
When almost everything for me was at the point i had hard bricked my phone i fixed it with Odin in the end
Firmware SM-G925F / G925FXXU2COH2
http://samsung-firmware.org/download/Galaxy S6 edge/31bd/XEU/G925FXXU2COH2/G925FOXA2COH2/
At first this also did not work, but i kept looking and was thinking if it cant mount anything, partitions might and probably were corrupted
PIT files that can be used, normal and ones with different HIDDEN sizes
http://forum.xda-developers.com/gal...925-pit-files-multi-thread-download-t3171636/
For me the first standard one failed at the hidden.img everytime until i used the last one which was
ZEROLTE_EUR_OPEN_HIDDEN300M.pit
Flashed completed all the way and rebooted on its way to the android normal post flash install process
During the process it first complained about DATA partition being corrupted and needing to flush it, then rebbotted to complain about internal storage needing to also be flushed.
On the final reboot, it went all the way in to the normal setup, accounts etc.
At this point i was again stock and 100% fixed minus the EFS partition
At this point rebboted into download mode, flashed TWRP
Remember to copy the modded Alex-V kernel and the super-su zip files if you want to avoid sweating some more!!
I plugged my USB OTG with my full TWRP nandroid backup and restored it all, EFS included, at this point the state of the S6 was again 100% operational
Hope this helps you and others.
PS. Verify before flashing anything that those can be used on your phone or if not find the equivalent files you need to do so.
The culprit that caused the problem to start with was stickmount app by chainfire who makes Super-SU!!
What happened is i instaled it, then it told me it needed to copy some extra files, at that point during the copy, the S6 rebooted and was stuck in an endless bootloop
That happened with the abobe firmware linked above, using that kernel and that version of TWRP flashed on the phone with Super-SU 2.46 installed
Even going with Aroma Explorer and deleting everything i could find on the phone related to stickmount did not fix the problem
Click to expand...
Click to collapse
will try this mate if it works for me too, we should open a new post or update this one to inform people
Update: Nothing worked until now. Does flashing a rom from an usb-otg or internal storage differ? Also I can't connect to computer via MTP or ADB... Need serious help guys.
Guys i have found why the phone is like this...
1) efs partition is deleted
2) emmc files are deleted
if anyone knows how to fix emmc please write here efs is easy to deal with....
vanderax said:
Guys i have found why the phone is like this...
1) efs partition is deleted
2) emmc files are deleted
if anyone knows how to fix emmc please write here efs is easy to deal with....
Click to expand...
Click to collapse
What variant do you have?
Sent from my SAMSUNG-SM-G925A using XDA Premium 4 mobile app
Mangtas_666 said:
What variant do you have?
Sent from my SAMSUNG-SM-G925A using XDA Premium 4 mobile app
Click to expand...
Click to collapse
I have the SM-G925F mate
If anyone can help me solve this problem we are ready to drink some donated beer guys!
vanderax said:
I have the SM-G925F mate
If anyone can help me solve this problem we are ready to drink some donated beer guys!
Click to expand...
Click to collapse
Download the correct pit file and flash via odin after that flash the correct stock firmware http://forum.xda-developers.com/gal...925-pit-files-multi-thread-download-t3171636/
Sent from my SAMSUNG-SM-G925A using XDA Premium 4 mobile app
Mangtas_666 said:
Download the correct pit file and flash via odin after that flash the correct stock firmware http://forum.xda-developers.com/gal...925-pit-files-multi-thread-download-t3171636/
Sent from my SAMSUNG-SM-G925A using XDA Premium 4 mobile app
Click to expand...
Click to collapse
it doesnt flash because eMMC files "mmcblk0" are wiped.. Maybe a jtag issue. Is it possible to repair it without jtag?
If adb cannot detect it..i guess jtag is the only hope
Sent from my SAMSUNG-SM-G925A using XDA Premium 4 mobile app

brick?

I had CM13 official build installed, all was well until I had OTA update which I have done many times on that phone as well as others. After update I was unable to login as my password/pin no longer worked. Factory reset solved that problem and when it booted back I was unable to read sim card or connect to wifi or even Bluetooth. Trying to flash stock resulted in failing. I tried using dload which results in fail. as well as extracting update.app and using fastboot which does flash however stuck on boot loop. If I install a stock rom through twrp it hangs at flash screen. If I flash cm13 it boot but I am unable to use 4g/wifi or anything.
AsuraDas said:
I had CM13 official build installed, all was well until I had OTA update which I have done many times on that phone as well as others. After update I was unable to login as my password/pin no longer worked. Factory reset solved that problem and when it booted back I was unable to read sim card or connect to wifi or even Bluetooth. Trying to flash stock resulted in failing. I tried using dload which results in fail. as well as extracting update.app and using fastboot which does flash however stuck on boot loop. If I install a stock rom through twrp it hangs at flash screen. If I flash cm13 it boot but I am unable to use 4g/wifi or anything.
Click to expand...
Click to collapse
Are you using the latest firmware for your phone?
muradulislam said:
Are you using the latest firmware for your phone?
Click to expand...
Click to collapse
Yes
u did wipe every thing before u flash stock ? u should fully wipe ur device . ( data, system cache , dalvik and internal memory ) all this should be wiped then u can flash each img throw TWRP to same partition , try again should work with stock then u can go back to CM !.
Yes through twrp and fastboot. Also when trying to flash using update.app I am on stock recovery
while wiping u got any error ? of success with 0 errors ?
No errors that, I don't think
When I try to wipe using stock recovery (factory reset) it always fails. Although I can wipe cache
AsuraDas said:
When I try to wipe using stock recovery (factory reset) it always fails. Although I can wipe cache
Click to expand...
Click to collapse
Try using dload after flashing stock recovery through bootlaoder.
I did, I just feels like I have tried every combination and every trick to get this up and running. IDK it seems like the cm13 update messed up a partition and only cm13 works and only partially works because 4g and wifi are not working at all. :'(
AsuraDas said:
I did, I just feels like I have tried every combination and every trick to get this up and running. IDK it seems like the cm13 update messed up a partition and only cm13 works and only partially works because 4g and wifi are not working at all. :'(
Click to expand...
Click to collapse
Well that could mean there is a problem with your EFS partition. But I don't know how an OTA could have messed it up. How did you update CM13? Did you use CyanDelta?
It was OTA which was flashed through TWRP recovery
In About Phone check to see if Baseband and IMEI numbers are shown. If not then something must be wrong with your EFS partition.
Going to stock through Huawei updater is the only way to fix this IMO, unless you have made a backup of your EFS partition earlier.
Try the Huawei update using another firmware since the one you have may be corrupted.
only sollution is trial and error,,
just make it a two way..
if you have stock recovery, try rollback package and install lollipop
and if youve twrp, download a lollipop firware backup and just rostore..
any one of those will get you on emui3 and you can start it fresh again..
gud luck
xskull03 said:
In About Phone check to see if Baseband and IMEI numbers are shown. If not then something must be wrong with your EFS partition.
Going to stock through Huawei updater is the only way to fix this IMO, unless you have made a backup of your EFS partition earlier.
Try the Huawei update using another firmware since the one you have may be corrupted.
Click to expand...
Click to collapse
having issue with EFS without a backup for it is like breaking ur device , installing stock will always fail .
if EFS not recognized or missing the only solutions is service center only .
and if ( only ) if the phone works he will not be able to get any network to work .
xskull03 said:
In About Phone check to see if Baseband and IMEI numbers are shown. If not then something must be wrong with your EFS partition.
Going to stock through Huawei updater is the only way to fix this IMO, unless you have made a backup of your EFS partition earlier.
Try the Huawei update using another firmware since the one you have may be corrupted.
Click to expand...
Click to collapse
No imei numbers are shown, and I have tried to go through Huawei updater but I just can't seem to get it to work
md1008 said:
No imei numbers are shown, and I have tried to go through Huawei updater but I just can't seem to get it to work
Click to expand...
Click to collapse
service center , EFS is missing or damaged u can't connect ur phone to network any more .
AsuraDas said:
I had CM13 official build installed, all was well until I had OTA update which I have done many times on that phone as well as others. After update I was unable to login as my password/pin no longer worked. Factory reset solved that problem and when it booted back I was unable to read sim card or connect to wifi or even Bluetooth. Trying to flash stock resulted in failing. I tried using dload which results in fail. as well as extracting update.app and using fastboot which does flash however stuck on boot loop. If I install a stock rom through twrp it hangs at flash screen. If I flash cm13 it boot but I am unable to use 4g/wifi or anything.
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Click to collapse
Can I know which version of stock ROM you are On before flashing custom ROM ?
So I contacted Honor support and they said since I unlocked bootloader that my warranty is void. I asked if they have out of warranty repair and they said they do not. Seems like my phone is now an iPod Classic with a touch screen since I can't even use wifi or Bluetooth. If anyone has any suggestions on how to fully restore this phone I am all ears
AsuraDas said:
So I contacted Honor support and they said since I unlocked bootloader that my warranty is void. I asked if they have out of warranty repair and they said they do not. Seems like my phone is now an iPod Classic with a touch screen since I can't even use wifi or Bluetooth. If anyone has any suggestions on how to fully restore this phone I am all ears
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Click to collapse
I am not sure but if there is a twrp backup on the internet for your phone, flash that using twrp...

[Solved] Boot screen stuck after trying to restore EFS. (No recovery access)

Phone: [Samsung i9300 international ]
Hello XDA. I was trying to restore the EFS in this phone with the GalaxySim unlock App right after flashing the Slimkat ROM which gave me a no signal problem. The IMEI appeared as unknown and baseband too so i proceded to trying to restore the EFS backup i had in my pc.
I followed the procedure by doing tap in restore EFS in the app , chose the EFS folder option and then restarted. After that I can only see the Samsung logo and doesn't boot. Since the beginning i got this used phone I could never load the custom recovery (TWRP) from the button combo, it always went straight to Odin telling me to press vol up to go to download mode.
The only way around to get to TWRP was by using Goomanager and using the reboot to recovery mode option. That's how i managed to install the Slimkat ROM. After that I always get the red exclamation sign while booting but still everything was fine except for the phone signal not working at all.
What can i do now by using only download mode? What are my alternatives?
I hope you can help me.
Thank you.
EDIT 1:
I managed to boot to TWRP with adb shell by "adb reboot recovery"
and when i try to flash a custom ROM or the backup before the Slimkat it shows this error:
"E: failed to mount /efs ".
EDIT 2:
So now that it's a EFS failed to mount case , i'm following this:
http://forum.xda-developers.com/showpost.php?p=37533150&postcount=12
but i dont know what version of busybox to download. Which binary should i get?
I recommend that you stop flashing anything else on the phone until you confirm that the model # is gt-i9300 in download mode.
After confirming the model #, download the latest stock ROM from sammobile.com and flash it in Odin. Boot the stock ROM and see if the imei is properly displayed.
audit13 said:
I recommend that you stop flashing anything else on the phone until you confirm that the model # is gt-i9300 in download mode.
After confirming the model #, download the latest stock ROM from sammobile.com and flash it in Odin. Boot the stock ROM and see if the imei is properly displayed.
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This is on the back under the battery:
Model: GT-I9300
FCC ID: A3LGTI9300A
SSN: I9300GSMH
Also when I try to charge the phone by the wall socket the battery animation seems to be just frozen. Which stock ROM should I download? Does it matter the country? I don't know from which country might be this phone.
Have you had the from new or did you get it used?
If you got it used, I wouldn't trust the label. You should confirm the model number in download mode.
audit13 said:
Have you had the from new or did you get it used?
If you got it used, I wouldn't trust the label. You should confirm the model number in download mode.
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Click to collapse
It's correct the model, it's a used phone and:
Custom binary download: yes (11 counts)
Current binary: custom
System status: custom
Flash the latest stock ROM from sammobile.com with Odin. This will remove root and don't forget to perform a factory reset before booting the stock ROM for the first time.
audit13 said:
Flash the latest stock ROM from sammobile.com with Odin. This will remove root and don't forget to perform a factory reset before booting the stock ROM for the first time.
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Click to collapse
From any country or at least close to where i got it from? 4.3 android i guess?
I have never found the country to make difference so pick a country closer to you with the language you need.
audit13 said:
I have never found the country to make difference so pick a country closer to you with the language you need.
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Click to collapse
Thank you for your help. It worked and now its running a stock firmware but I cant get wifi working on it, it keeps saying connecting-saved-secured and reconnects. The phone signal its fine and can make calls without problem but now i flashed TWRP and It doesn't let me get into it nor with the button combo or the Goomanager. I want to backup this EFS asap and try another custom ROM.
You can't get into recovery mode at all?
audit13 said:
You can't get into recovery mode at all?
Click to expand...
Click to collapse
I can at the moment, it was just USB debugging that was off. Again i used the adb command to reboot into recovery. Now , what TWRP version should i get to backup the EFS in .bin or any other format that i can flash with Odin. Can you recommend me a ROM that doesn't mess with the EFS?
I haven't had an s3 for over 2 years but I recommend flashing the latest tar version TWRP in Odin.
Alright, I did a backup of the EFS in .img and a modem backup in .bin with this:
http://forum.xda-developers.com/galaxy-s3/general/tool-backup-restore-efs-imei-sgsiii-t1901098
then i proceeded to flash a custom ROM and wifi works but now the phone signal goes intermmitent, the icon with the bars goes full and empty constantly, it identifies my provider tho. Airplane mode triggers on/off automatically. Should I restore the EFS from stock ?
Edit: flashed the modem.bin from stock. Airplane mode still intermmitent.
Don't touch the EFS if the phone is showing the correct imei. You flashed the latest stock ROM? Does this signal problem happen on stock too?
audit13 said:
Don't touch the EFS if the phone is showing the correct imei. You flashed the latest stock ROM? Does this signal problem happen on stock too?
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Click to collapse
In stock there was no problem at all with the signal. The wifi thing was my router actually, some authentication problem related with the use of the password.
Edit: flashed another modem that was tested by other user with the same ROM and phone went completely unstable and couldn't identify the network. Went back to my back up of modem, still airplane mode goes on/off.
I suggest flashing the latest stock ROM and then test. I only used stock modems and bootloaders on all of my Samsung phones.
If the phone doesn't work properly on stock, custom ROMs may exacerbate the problem.
After a long day of testing, only the latest stock ROM works properly while every other custom ROM has the same problem with the phone signal, CM11, slimkat... What's happening?
Edit: flashed CM13.. still the same.
Sounds like you are limited to stock or stock-based custom ROMs.

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