[Q] GT-I9300 Stuck on Bootloop,Error Mounting /efs ! - Galaxy S III Q&A, Help & Troubleshooting

Hey all
Today around 9AM I woke up and Checked everything on my phone,Everything was fine until around 1PM I came to my phone just to find out it ran out of battery,i Plugged it in and it was charging
after charging was Complete , I turned it on and got stuck on bootscreen
Every possible thing is on Stock(Rom,Kernel,Even Unrooted) , I Got it to Recovery mode and it said something like "Mounting /efs Failed (Invalid Argument)" ,I read Couple of Tuts and tried to fix it using adb (Here)
I flashed CWM 6.0.4.3 , But I Can't get adb to Recognize my phone,I have kies on my pc and I've installed all the drivers,yet my pc fails to recognize my phone
Any thoughts on how to get My PC to Recognize my phone while it's in CwM Recovery mode ? or any other ways to Fix this Son of a Biscuit?
P.S. Running XXUGML2 Firmware
I will be more than grateful if anyone could help me :fingers-crossed:

Try the rescue firmware, search general forum. Flash with Odin and pit file.

boomboomer said:
Try the rescue firmware, search general forum. Flash with Odin and pit file.
Click to expand...
Click to collapse
Thanks for Your reply
Is there any way that I can just get Windows to Recognize the phone ?? and From there use "adb shell" Command to fix it ?
My problem is about /efs Partition and I don't think Flashing a Rom will Fix that
AFAIK efs Related Semi-Softbricks are the hardest ones to solve and I haven't even FLashed One thing on my device my Counter was Zero before I Flashed CWM Recovery , It's Not Fair !
Edit: Seriously ! I've been looking Everywhere but there is simply no article about "How to get adb Recognize GT-I9300 in CWM Recovery mode" It seems like No one knows how to do this (
p.s. I Attached an image From my DM
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somewhat how Fixed !
Used TWRP instead of CwM
Up and Running

I AM THE HSS said:
somewhat how Fixed !
Used TWRP instead of CwM
Up and Running
Click to expand...
Click to collapse
How did u manage to solve this
I am stuck in such a stage with my S7 edge. Pls help me.

same me i have random corruption of efs i not know what is problem i not find it, only solutions is to restore efs backup from twrp, when the efs is corrupted i have no baseband version no imei ecc and elevated battery drain, this is totaly random i can't find solution

Related

[Q] E:failed to mount

Somebody please help me.. I've no idea why my phone turn out like this.. its suddenly restart this morning then stuck at samsung logos..
then I try to open recovery mode and below picture show..
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fautiq said:
Somebody please help me.. I've no idea why my phone turn out like this.. its suddenly restart this morning then stuck at samsung logos..
then I try to open recovery mode and below picture show..
Click to expand...
Click to collapse
just do Wipe data / factory reset and wipe cache partiton . then reboot.
Jeetu said:
just do Wipe data / factory reset and wipe cache partiton . then reboot.
Click to expand...
Click to collapse
already try that but nothing happen.. same error will appear after you wipe data/ factory reset..
It might just be partition corruption after your phone turned off unexpectedly or nand memory is damaged.
If you have warranty then send for repair, otherwise you could try to follow the guide in general forum, stickies on how to flash back to stock -using odin on your pc to flash the 4.1.2 stock rom for your country.
boomboomer said:
If you have warranty then send for repair, otherwise you could try to follow the guide in general forum, stickies on how to flash back to stock -using odin on your pc to flash the 4.1.2 stock rom for your country.
Click to expand...
Click to collapse
the warranty already finished.. that whys i'm trying to find another ways to revive my phone..
i already try to flash via odin and the result shows FAIL.. don't know what to try anymore..
fautiq said:
the warranty already finished.. that whys i'm trying to find another ways to revive my phone..
i already try to flash via odin and the result shows FAIL.. don't know what to try anymore..
Click to expand...
Click to collapse
Faqs and guides
Odin flash failure is usually due to nand damage, you could try a rescue rom;
http://forum.xda-developers.com/showpost.php?p=30087735&postcount=6&nocache=1&z=9770977059379220
But you'll probably need a new motherboard.
Limited warranty from Samsung is two years from manufacture..

[Q] No Wifi and Service and Windows wont detect

Hello there!
So I sold my S3 Mini and the buyer asked me to fix his phone. The first problem was that it was stuck in a bootloop and the EFS couldnt be mounted. I got that working and it now boots up normally. Now the problem is that I cant connect to my wifi and it says no service on my cellular. It detects my sim because when I booted it up it asked for the sim lock password.
Another problem is that my Windows wont detect the phone. But it's charging normally. It detected my previous S3 Mini before with no problem. I've even flashed CM11 on it then flash the stock firmware without any problems.
To clarify here are my problems :
1. Cant connect to wifi
2. No service
3. Windows wont detect the phone
The main reason I want it to detect to my phone is to use Odin to flash the stock firmware again. I've tried Mobile Odin but it kept saying to download and install the addons when I've already installed them. Mobile Odin v4.2 if you're wondering. I've also installed the drivers for everything and it wont detect. Thanks for your help.
Sounds like efs is corrupt, try another usb lead to connect to pc, shorter is better.
boomboomer said:
Sounds like efs is corrupt, try another usb lead to connect to pc, shorter is better.
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Click to collapse
Any way to fix it? I got the wifi to work by flashing the stock firmware with Mobile Odin. My IMEI is also not correct.
Restore your efs backup.
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boomboomer said:
Restore your efs backup.
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broke os on my galaxy s3

hi.
today something happen to my galaxy s3
first i was in a boot loop so my phone only display the samsung logo with that flashing blue lights.
i tried wipe data , clean the cache all the stuff that common people did so their phone started to work.
after all the common "solutions" my phone started to malfunction even with the screen.
this is my screen.
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i don't know what else to do.
after all the methods i tried my phone is even worse.
thanks if somebody know the solution
aniolog said:
hi.
today something happen to my galaxy s3
first i was in a boot loop so my phone only display the samsung logo with that flashing blue lights.
i tried wipe data , clean the cache all the stuff that common people did so their phone started to work.
after all the common "solutions" my phone started to malfunction even with the screen.
this is my screen.
View attachment 3100425
i don't know what else to do.
after all the methods i tried my phone is even worse.
thanks if somebody know the solution
Click to expand...
Click to collapse
Have you access to the donwload mode or recovery mode ?
If yes try to reflash a new fresh stock ROM
Sent from my GT-I9300 using XDA Free mobile app
KeTuRr74 said:
Have you access to the donwload mode or recovery mode ?
If yes try to reflash a new fresh stock ROM
Sent from my GT-I9300 using XDA Free mobile app
Click to expand...
Click to collapse
i have acces s to the download mode but i tried to get a new firmware with kies and every time i get an error after i downloaded all the firmware.
i am about to try with odin
aniolog said:
i have acces s to the download mode but i tried to get a new firmware with kies and every time i get an error after i downloaded all the firmware.
i am about to try with odin
Click to expand...
Click to collapse
Unfortunatly it will fail this is a sign of emmc damage similar post here >> http://forum.xda-developers.com/galaxy-s3/help/problem-white-screen-black-lines-rain-t2467459 << I have seen a few posts with exactly the same problem ( without a solution ) this is not a software fix it is hardware, service repair recommended

my mega not booting

guys i tryed to root my device first i used a local turkish site and succesfully installed recovert but it didnt installed supersu. it said veritifaction failed or something like that idk.
then i saw this on here
http://forum.xda-developers.com/showthread.php?t=2355680
well it says supersu comes with it so i tryed to flash this. now my device not booting but i can reach download mode.
what i must do?
here is what happened:
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well it was a quick shot from my note 4 but still explains the problem. phone stays like this with blue led flashing after i heard samsung boot sound. i tryed to flash old recovert first i used but it also didnt worked.
update: i cant reach recovery...
First try to take out battery for some time and try to boot again. If not successfully what about download mode? If you can't boot and can't go to recovery your only option is to flash stock ROM by Odin using download mode. Then you can flash recovery and restore your backup (if you have one).
trurl3 said:
First try to take out battery for some time and try to boot again. If not successfully what about download mode? If you can't boot and can't go to recovery your only option is to flash stock ROM by Odin using download mode. Then you can flash recovery and restore your backup (if you have one).
Click to expand...
Click to collapse
well i already tryed battery trick. i found stock rom (1.3gb from internet) downloading now. if i flash that will it fix it?
and no i dont have a backup
Be absolutly sure so downloaded ROM is suitable for your model - one of trusted sources of stock ROMs for Samsung phones is there: http://www.sammobile.com/firmwares/
If you choose proper ROM, after flashing it you will get brand new system on your Mega - flashing ROM by Odin superseed all what you have now in your unit. Of course all your data will be lost.
trurl3 said:
Be absolutly sure so downloaded ROM is suitable for your model - one of trusted sources of stock ROMs for Samsung phones is there: http://www.sammobile.com/firmwares/
If you choose proper ROM, after flashing it you will get brand new system on your Mega - flashing ROM by Odin superseed all what you have now in your unit. Of course all your data will be lost.
Click to expand...
Click to collapse
thx for help dude i fixed it.
there is 3 different model in turkey i found the correct one.
but i was scared when first one didnt worked

Can't format Phone in TWRP, actually cant do anything

Hey folks,
I think I briked my Phone last night but I dont give up on it.
What happened: I tried to flash a new ROM because my current Custom ROM didnt appeal to me at all. So I went into TWRP and made a normal wipe. Then I tried to install new new ROM.zip. The first odd thing was that I couldnt navigate to the download folder on my external sd card. The good thing was that the old ROM.zip was available for flashing so I decided to flash the old ROM anew. And then...nothing happened. I couldnt intall the ROM. Not even the Gapps.zip was able to be flashed.
Then I thought I could try it via Fastboot on the PC (I have a Motorola x Style/Pure) and googled how to do it. I found a command to install a .zip and tried it. But it didnt work: It said smth like 'Bootloader denied'. So that wasnt the ways to go for me.
After that I went back into TWRP and looked on the command line. And there was smth odd aswell. I said: "Failed to mount '/cache' (Invalid argument). The same with 'data'. The internet said I should format (not wipe) the storage in TWRP. I tried it and although it said that it was successfull nothing was...TWRP is still unable to mount cache and data.
I found out that it has smth to do with the encryption but idk.
So that is my problem: I cant install anything. I cant format anything.
Pls if you have any idea on this pls tell me. I already ordered a new phone but it would be nice if this phone didnt become a paperweight...
And thank you if you read till here. Aaaand sry for my bad english
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nvm the problem was solved. I formated the cache with ext4 filesystem and now everything works again

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