how can I unhide my internal storage after corrupted SD card formatted as internal - Android Q&A, Help & Troubleshooting

I formatted an SD card as internal, then got suddenly corrupted..
the phone is not accepting any other card even with the same brand and capacity..
I bought new phone, and I need to transfer whatsapp chat that already on the old phone, but the internal storage isn't available.. google backup also says no internal storage found..
need help..

Personally don't think you can fix corrupted or not working SD-card formatted as internal storage ( Adoptable Storage ).
As soon as you format an SD-card to be used as internal memory ( Adoptable Storage ) it gets encrypted, the corresponding key gets stored in device's memory, means this SD-card furthermore only can be used on this device, it's not possible anymore to mount this SD-card to another Android device. Quite reverse your Android device refuses to accept any other SD-card.
IMHO Adoptable Storage is absolutely nightmare as card fail frequently, using this expanded storage often will corrupt your files.

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Need a help of real Android system professional with the SD card connection

Hello everyone,
I am looking for the help of real expert on Android. I have an old phone Galaxy S II (I9100) and I said to myself that I will use it as an MP3 player, radio, handheld camera, in short, such a home device. I made a hard reset, installed CyanogenMod, that I updated, installed the necessary applications and because the phone has storage for applications only 2GB many I moved to internal storage for data that is marked as an SD card (in the storage manager) and it has 16 GB For MP3 I bought 64 gigabytes Samsung SD card. And then there was my problem. When I slid the SD card and run the system, it didn't see the application transferred to the internal data storage. The problem I think is that the system has changed the path of the internal data storage and the actual SD card. So it doesn't seek for apps in the internal data storage, but in the blank SD card. Is there any way to replace or modify the path to both memories so that the system will be looking for applications where before, ie only the internal data storage and not on an external SD card? Than I will be able to change SD card any time and it will not affect installed apps moved into internal storage for data. I have installed CM 12 with a root. All three storages can system see. Thank you very much.

Access/Backup previously formatted SD card as internal storage in Android

Hi, I formatted my SanDisk 16gb card as Internal Storage for my Android Marshmallow 6.0 Moto G 2nd Gen XT1068 *rooted* device. So far so good, the problem is that my phone was failing really bad yesterday not sure why, it won't move files from internal to the sd card so it was running out of space and the whole system started failing. I was not able to backup my SD card neither, because my developer options were blocked so no USB debugging available., I tried everything I found online, from stoping removing cache from Media internal app and some others, etc, and nothing worked.
So I decided to restore my phone to stock.
I did this and now it works fine, however it does not recognize my SD card (because it was formatted as internal storage with the "previous" device) so now I have a 16gb SD Card (4GB occupied) inaccessible to make a backup.
Is there a way to gain access to this SD card so I can move out all the files I've in there so I can format it again as internal storage?
Any information missing please ask,
Thanks in advance,
Denis.

My internal sd card is inaccessible, and possibly encrypted?

upgraded to marshmallow and had both the internal sd and external sd as one (using it as storage)
This turned out to be a bad item and the external sd failed (possibly due to too many reads and rights)
I noticed my internal sd card stopped being able to install apps. On further inspection in Root Explorer external sd card is a folder, but 'sdcard' almost looks like an inaccessible link/normal everyday file. Pressing it in REplorer says that it's not mounted. Yet it is the internal sd card...I can also see how much space its components are taking up under 'storage' in Android OS.
My question is how do I fix this? Most apps get installed to internal sd. I have read on XDA that sometimes kitkat would make inaccessible/encrypt the internal sd card, how do I diagnose this is my problem ,and if I find out it is,how do I fix it?
Bumpbumpbumpbumpbumpbump

How to move-link data from internal sd to internal storage?

My phone with Android O has an unfortunate partition table atm - large internal storage, small internal "sd" storage.
To my surprise, many apps insist to put their data on the sd parition like offline maps or email storage. So atm, half my internal storage is empty, and my sd is full :-\
All tools I have found move data/apps from the internal storage to the (external) sd card (apps2sd, link2sd, appmgr), and anything I have tried (Directory Bind, Folder Mount) aren't successful move-linking the "Android" folder on the sd to the internal storage. Moving and symlinking with the shell doesn't work either.
Question: Is there any app/way to make apps use the internal storage instread of the internal sd card (if they offer no config option)? Thanks!
.. Answering my own question:
After another day of fooling around I discovered that apps2sd "Folder Mount" tool can be mis-used to link external to internal with the "bind" option, even though it insists with a warning screen that this very thing shouldn't be done

How can i recover data from adoptable sd card?

I was using my 8gb sd card as adoptable sd card(formated as internal) but I replaced with 32gb card and formated new one as internal. Now when I tried to insert sd card in pc it doesn't shows any drive and 2 drive one approx 150mb other approx 7.5 gb is shown in disk management. Both are shown as 100% free. But I didn't formated the 8gb card on device nor on pc. Is there any way to recover the data from that card? I don't have the device right now. I sold it to someone else
@prashantvrm
The feature called Adoptable Storage allows the Android user to format an external storage media as permanent internal storage to be used with this specific Android device: Hereby Android formats and changes it’s FAT32 or exFAT format to ext4 or f2fs, it gets tied to this specific Android device. The key used to encrypt the data on the SD card is stored on the Android device’s internal memory.
So, it is not possible to mount the adopted storage to another device because of its encrypted nature.
jwoegerbauer said:
@prashantvrm
The feature called Adoptable Storage allows the Android user to format an external storage media as permanent internal storage to be used with this specific Android device: Hereby Android formats and changes it’s FAT32 or exFAT format to ext4 or f2fs, it gets tied to this specific Android device. The key used to encrypt the data on the SD card is stored on the Android device’s internal memory.
So, it is not possible to mount the adopted storage to another device because of its encrypted nature.
Click to expand...
Click to collapse
Consider this scenario:
SDcard1 was used in mobile as adoptable
Then it was removed from the device and card was not formated and no device reset.
Then card with high storage capacity was inserted and this new card got formatted as adaptable and but still no device reset.
Now I want to use the old card in this device. Will the device recognize it as it was used there before?
Adoptable storage is a nightmare as cards fail regularly, as you have found out. With an unencrypted SD card, you could run chkdsk in Windows to repair the card. The only thing I am unsure of is if there is an equivalent in Linux. If there is, the card which has an ext4 file system could possibly be repaired.
Try iBoysoft Data Recovery. If a file is a recognizable format, iBoysoft will find it and recover it. (And take days for a decent-sized card.) Instructions are at the software Step By Step. (If each file is encrypted, it may not find anything, but if the file structure is encrypted, iBoysoft never looks at the file structure except to see how large the clusters are - and it can work without that information.

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