[Q] Help i9500 S4 : internal SD card not mounted and vanished - Galaxy S 4 Q&A, Help & Troubleshooting

Hello,
Will try to explain the situation to my best possible knowledge :
1. Was running Crash ROM 4.4.2 on Galaxy S4 i9500 , have got all the required apps installed and configured the way I wanted.
2. Running the stock kernel which comes with the Crash ROM installation.
3. Running Phillz touch recovery 6.3.xx
4. Have external micro sd card (16GB UHC SanDisk) . Crated 1st primary partition as FAT32 and 2nd primary as Ext3 for moving apps.
5. Did install Link2SD and correctly moved all apps linked to the 2nd external SD card partition.
6. Was able to connect a USB flash drive via female USB connector (host mode) and take titanium backup of all apps.
7. Everything mounted correctly and automatically, with correct permissions to read/write without me worrying or fixing any setting or changing anything.
Since I had everything in order, I thought of making a nandroid backup via Phillz recovery . The problem when I tried taking a nandroid baclup which presents custom backup option to either "/sdcard" or "/storage/sdcard1 (which i assume refers to external microSD card".
I tried taking a backup at both locations and was informed that I am short of space , the backup needed 4+GB whereas I had 2+GB on internal SD and 3+ GB on external microSD available.
So i thought to reboot and try making some space anywhere, thats when the nightmare started.
After reboot, now there was
1. A message for low space remaining
2. Google play store continually crashing and giving a "stopped" message.
I fixed the error no. 2 temporarily by uninstalling google play store (updates, cache and then the app itself).
However error no.1 persists, now when try running any app to see what and how much space is left in the internal and external SD cards, it seems that the internal SD card is not mounted somehow.
I have tried runnning ES explorer and it says no SD card found. Even though I can browse to the root partition. Then I tried Link2SD (which has an option of seeing storage info nicely) and I can that the bar for SD card is blank and all other places or mount points are mounted.
Even the apps residing on my external microSD 2nd partition are working fine, however I noticed that earlier the external microSD card, when seen from inside a booted and loaded ROM was mounted at the location " /storage/extSDcard , but now it is mounted at "/mnt/media_rw/extSDcard"
But my internal SD card is vanished, I cannot find any contents of the "internal SD" in any of the locations at /storage , /storage/emulated/legacy, /storage/emulated/0, /sdcard, /mnt/sdcard, /mnt/obb and possibly any other location I can think of.
I believe the mount points and logical links are different as seen by the phillz recovery (as there is no /storage/sdcard1 when seen from Es explorer) , and as seen when the ROM is fully booted and loaded, so when trying to take a nandroid backup via Phillz recovery, it might have messed up with the mount points and/or permissions.
I hate doing a complete re-flash of the ROM again and spending hours to get all the apps customized my desired way, with all widget settings.
I am not an expert or pro at android, hence I request your help to sort out the issue, and maybe send or guide me the default way the S4 handles mount points, so I can get back the SD card and also guide me how to make a the nandroid backup to avoid this fiasco again.
Thanks for reading.

Related

[Q] Strange issue with SD

OK I am running 7.2.0-RC1 on eMMC, really happy with as my daily driver
What I'm seeing is on every book in notification there is a msg about SD is safe to remove. I do have access to my SD in file manager. But going into settings/storage /mnt/emmc is not mounted and will not mount. Is this normal?
Thanks
dacore270 said:
OK I am running 7.2.0-RC1 on eMMC, really happy with as my daily driver
What I'm seeing is on every book in notification there is a msg about SD is safe to remove. I do have access to my SD in file manager. But going into settings/storage /mnt/emmc is not mounted and will not mount. Is this normal?
Thanks
Click to expand...
Click to collapse
It is not normal. Are you sure you are seeing your SD or emmc? There is a setting that will let you swap emmc and SD. Its under cyanogenmod settings under apps, I think. Then your filemanager will think it is looking at SD, but is really looking at emmc. Take out the SD and see what your file manager sees. That coupled with your SD not being mounted properly could be what's happening.
tried your suggestion
First thanks for your reply.
I have gone to settings/CyanogenMod Settings and activated "use internal storage", power off and then remove SD.
After rebooting I still see emmc and sd empty in file manager app
ok after making above changes here is what it says in settings/storage
SD: unavailable
internal 5gb total and 4gb free
additional storage /mnt/emmc: 29gb and 10gb free
*update*
Ok I have tried to wipe my system and redo everything using the newest Mirage 7.2-RC1 3/30/2012
I first booted with my 1gb clockwork recovery sd and wipe system and cache and then install new rom
afterward restore apps (only) using titanium backup
I still have the notification that "SD is clear to remove"
but I can access my sd, not sure if I am able to access EMMc, although everything works as it should
Also I have parly apps installed internally and some copied to SD (using manage apps)
Thanks for any help

How to remove internal sd partition on external sd?

Hey guys,
to make the i9003 from a friend working I had to remove internal storage from board and installed the system on the external sd by force (there is no storage anymore except this).
Now, I have the problem that the 2GB which were used for the system (the partition which was created by installing stock ROM) aren't available at all.
When I connect the sdcard via adapter to the pc there is shown 27GB - before that there were 29GB.
I tried some partition tools but they all show nothing.
Can anyone help, please?

SD Partition present, Not SD Storage!

Yesterday I purchased Link2SD Plus for my 128GB micro SD card. Mini Tools Partition wasn't detecting though Link2SD but on converting it to system app and recreating the partition through Apps2SD worked fine for l2sd too.
After linking few apps, I tried linking one obb file of a game and warning popped up saying the filesystem f2fs needs to be converted. It went fine followed by reboot.
Now the SD storage is missing but not the partition, from storage info l2sd. Now also linking possible but not the storage.
Pls help. Only root is visible from file explorer. Can't even take a screenshot.
Thanks.
Solved it somehow because I got to reflash with another ROM. Couldn't acquire a logcat. The attached is the screen shot where it totally makes linking impossible and destructs the partition too.

Sm-n900v rooted unlocked twrp flashed but where is my SD CARD

Hi all I need a little help, I completed everything above without much problem, but when I flashed the newest twrp recovery, I did a backup first thing then when it was completed every file is in my internal storage and it's not showing up an sd card when I have a 16gb installed and I'm sure twrp is the step that caused this. I am still on OF1 rom. Thanks for any help!
The unlocking step overwrites the external (removable) SD card with a copy of the first 256 MB of your flash memory chip before it modifies the "aboot" partition.
A side effect of this is that the card won't mount correctly any longer without re-formatting it.
To be completely safe (you'll probably never need it), do a "raw copy" of the first 256 MB of the external SD card device to save the "debrick image", e.g. (as root)
Code:
dd bs=131072 count=2048 if=/dev/block/mmcblk1 of=/sdcard/SMN900V_debrick.img
This might take 20-30 seconds or so as you are reading and writing 256 MB of data.
Then, reformat the external SD card.
Separately, TWRP has a menu that allows you to choose between the output location for backups - either the internal memory, the external memory (SD Card), or - if you have an OTG cable, on an external USB device.
TWRP also has a file explorer if you want to move your saved backups to the external SD card. It's a little clunky, but it works. (You can also do this with a file explorer app with the phone normally booted as well if you prefer).
cheers
maybe you have to install sdfix since phones of the past couple years don't use sdcards, the system updates don't recognize cards
pltctytc said:
maybe you have to install sdfix since phones of the past couple years don't use sdcards, the system updates don't recognize cards
Click to expand...
Click to collapse
Nope, you just have to reformat the card and it'll be fine.
Sent from my SM-N900V using Tapatalk

What are these files in TWRP?

Are these files safe to delete? I was under the impression that with this being a 16gb phone I wouldn't be fighting for internal storage space after owning the phone just a few days and less than 10 installed apps.
Looks like your own backups... your internal storage wouldn't be full if you bothered to use a sd card.
If one does have an external SD card, I don't recall if TWRP defaults to storing there or if you need to select external SD - something to check on for TWRP newbies.
-n0cturne- said:
Looks like your own backups... your internal storage wouldn't be full if you bothered to use a sd card.
Click to expand...
Click to collapse
I've found TWRP to usually default to internal storage on every run, but once you set up the path/naming for your backups it usually sticks.
It seems like you are toying around with TWRP, possibly attempting to get ready to flash a custom rom. Given half the storage is system files, you'd barely be able to backup said default files to internal storage without running out of space.
You could always backup these files to a computer, delete them from the phone to free up enough space to download a rom (of which you should verify the md5 checksum), and hope everything goes perfectly.
If anything goes wrong, you'll need access to a computer and either use some advanced fastboot commands or.. an sd card, which you can easily swap on to a computer to download custom roms or backup files.
I would recommend getting a micro SD card for TWRP backups to avoid being fully dependent on a PC or internal storage. I like to have at least two TWRP backups on my micro SD. I know this phone works with 128GB - not sure about larger.

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