[Completed] [Q] can't mount efs,, boot loop - XDA Assist

So the rom i was running sudddnly stopped working on my samsung gt-i9300,dont know why,, anyway,, its stuck in a boot loop ,so tried to put it back to stock with toolkit but it and my computer wont recognise the fone,, and wont pick up sd card,, so i downloaded official from samsung ,put it on sd card and flashed it via recovery mode on the fone, it loads in then says cant mount efs invalid argument ,i cant turn on usb bebugging so most of the easy fixes wont work.. So is there a fix or should i just give up and invest in a new fone ???? Any help would be great folks

Hi,
I suggest asking the experts who own your device for help, Here...
> Samsung Galaxy S III I9300, I9305 > Galaxy S III Q&A, Help & Troubleshooting
Good luck!

Related

[Completed] [Q] [HELP] Galaxy S Advance CM11 doesn't turn on

I was using CM11 on my Galaxy S Advance for a few months, today I restarted my phone and it was showing the CM11 Boot Animation normally, then it showed up the lockscreen and then turned off instantly showing the CM11 Boot Animation again. I did a factory reset with my CWM, everything got fine, then I restarted my phone again and it was in that kind of bootloop again. Can someone help me? (I can't reinstall CM11 because when I plug my USB cable in my phone, Windows doesn't detect it, and I can't put CM11 ZIPs in my phone)
Hi,
You don't have a nandroid backup from CWM you can restore? Having a good backup kept on the phone is always essential in this hobby. No cm rom zip either that you can install from on the phone? Without either, you may need to Odin flash stock to your device. But for other advice, or help with any of my suggestions, you can ask here...
> Samsung Galaxy S Advance I9070 > Galaxy S Advance I9070 Q&A, Help & Troubleshooting > [Q & A] Ask ask your questions here !!
Good luck!
Thank you. Thread closed.

[Completed] [Q] OS erased while factory formating ..

HI guys , while doing a factory format using TWRP i have erased the OS in my tab3 .
Now when i reboot my phone , i can get only to the recovery mode on TWRP and it says no OS installed .
please guys how can i reinstall the rom/OS to my tab or any solution to my problem.
plz plz help
Hi,
First, always do a nandroid backup... In case you need to restore.
You could download a rom on your external sd card on another device, put it in your tab 3 and flash it.
Otherwise you likely will need to use Odin to flash stock.... If you can't use an SD card on another device.
If you need further help, you will need to ask here.... But please specify your exact model... There's many different Tab 3's....
> Samsung Galaxy Tab 3 > Galaxy Tab 3 Q&A, Help & Troubleshooting
Good luck!

[Completed] kernel is not seandroid enforcing??? help!!

ok this is how it all started. my galaxy s4 19505. was rooted but then every day apps would mysteriously uninstall. at random. and apps would unexpectedly close at random then be stuck in a loop of pressing ok to confirm it closed. this was starting to bug me so i wanted to fix this. i then looked to upgrade from 4.4.2 to 4.4.4 or 5 i tried to upload a new rom via odin. but it wasnt working. it was an authorisation fail. so then i thought id reset it to a factory wipe. so i wiped cache and wiped data. now its stuck with the error message of kernel is not seandroid enforcing. and it gets stuck at the samsung logo.
i can still access the root menu to update. but when i update it says unauthorized access and something like bad footer and no authorisation. i can still upload but on odin i have the same problem a fail in the authorisation.
please help!!
i also forgot to mention that i cant carry anything onto the sd card ive got. i do have a spare but the other one is my 64gb one. its not letting me transfer anything and i cant format it.
Hi,
Odin is used to flash original stock firmware, not custom roms. But maybe you know that.
Here us a dedicated help thread for your device that you can ask for help in,
> Samsung Galaxy S 4 i9500, i9505, i9505G, i9506 > Galaxy S 4 Q&A, Help & Troubleshooting > [HELP THREAD] Galaxy S4 | Ask any question | Noob friendly
Good luck!
Thread cleaned.

[Completed] [Q] boot loop

I flashed samsung firmware because last time it was working then I keep on downloading apps and games, then i forgot to put my sd card inside then i went to setting put all apps on sd card (but no sd card inserted) then i tried to play some of it then it just keep on crashing and i tired to restart it then thats the time it went to boot loop (smart) to galaxy mini 2 but after that it went to boot loop pls help me how to fix this boot loop, it can only go in download mode but it can't go in recover mode. PLEASE HELP ME thank you
Hi there,
I see you've founded the right place for your device here: http://forum.xda-developers.com/gal...al-storage-t3105742/post60675052#post60675052
Please continue to ask in that forum for relevant answers:
Galaxy Mini II Q&A, Help & Troubleshooting

[Completed] dead recovery mode...wiped system device

hi im using galaxy note 5 sm-n920c ...i rooted the device with kernel 79 and root checker classified the root as succesfull...after i reboot my device it went into boot loop ...i tried every option in stock recovery it didn't work..i flashed custom team recovery from xda and i accidently wiped everything including the system...now the device is not even entering a recovery mode...and it cant even connect to kies or any other android desktop application...when i connect to kies it says the device is not supported to connect to kies 3...the device cant even power off it stays on galaxy note 5 screen ...it can only access odin downloading mode...any suggestions plz?
Hi,
Try posting your question here with all relevant details:
Galaxy Note5 Q&A, Help & Troubleshooting
The experts there may be able to help.
Good luck!

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