Develop Bugs

[Q] Newbie ?:Have a nice 64GB SD Card - How to use?

Another Newbie Question here.
So AT&T only provides the 16MB Note 2, so of course we add a nice juicy 64GB SD card. But it seems that the stock phone does not really use it for much (that I can tell) to store anything.
First question: On the stock ROM, what apps can be told to use the SD card as default, and how do you change the app settings?
Second Question, for the future: Assuming one Root's the Note 2, what can be safely moved to the SD and how? Or is another ROM required?
Humbly yours - thanks in advance!

Flame Red said:
Another Newbie Question here.
So AT&T only provides the 16MB Note 2, so of course we add a nice juicy 64GB SD card. But it seems that the stock phone does not really use it for much (that I can tell) to store anything.
First question: On the stock ROM, what apps can be told to use the SD card as default, and how do you change the app settings?
Second Question, for the future: Assuming one Root's the Note 2, what can be safely moved to the SD and how? Or is another ROM required?
Humbly yours - thanks in advance!
Click to expand...
Click to collapse
I also have a 64gb card. I put all of my Titanium backups and Nandroids on the external SD (right now TWRP doesn't work with the exfat formatting of my card, so if I want to restore I'll have to move it from ext to int SD).
I also have Spotify set to store any offline music on the external SD. You can do this by installing an old version of Spotify, pointing it to external SD, then updating the app. A quick Google search will find this if it's something you want to do.
It's hard to tell you what to move to the external card without knowing what apps you use. You can get an app called Directory Bind that will point any internal SD location to your external SD. http://forum.xda-developers.com/showthread.php?t=1889550

SD card setup/directory optimization
Really like Android and the Note 2 so far.
Thanks for the directory bind guide link...interesting. Maybe my answer is somewhere in there, so I will take a look either way.
New to external SD use on Android as well (or any phone, that is). I have a 64GB sandisk as well, and It was pre-formatted for Android apparently with some s/w on it. Which is fine, if that is the way I should go.
Just playing around with it at first and copied a music album over, in similar format to my iTunes directory structure -I figured, why not. Perhaps there is a better way to structure my directories though? More general way for all apps to recognize? Moot point?
I assume different apps might require different directory structures...to be efficient, or to be able to work with those dirs/files. I'd rather have the most optimal structure now, before I start messing with creating more directories, etc down the road.
The general questions are, should I format this as something else? What is best to use? (Still looking into different file manager/transfer apps for now, and MAY root and keep stock ROM in the future, but acclimating myself with Android OS has been more than enough for now...I do enough Linux at work, so not in any rush )
Since I went there, I don't know if the OP's question was fully answered...so again, here's a quick (newbie) question for those who root but keep the stock ROM: can apps be moved to the SD card in that case? Or do I need to break out of stock ROM to do that?
Thanks in advance!

Wanted to report back that I tried a simple case of using Directory Bind for something non-critical as a test. Used it to remount Titaniumn Backup to the external SD. Yes, I know you can just point it there. Just wanted to test Directory Bind.
It seemed to work until I rebooted the phone. Then it lost all the binding even tough I had checked off to save it for reboot and saved the binds to a file. So just beware that if you were using Directory Bind for something critical - you might have to recover the phone! I removed the package for now.

dponte said:
Really like Android and the Note 2 so far.
Thanks for the directory bind guide link...interesting. Maybe my answer is somewhere in there, so I will take a look either way.
New to external SD use on Android as well (or any phone, that is). I have a 64GB sandisk as well, and It was pre-formatted for Android apparently with some s/w on it. Which is fine, if that is the way I should go.
Just playing around with it at first and copied a music album over, in similar format to my iTunes directory structure -I figured, why not. Perhaps there is a better way to structure my directories though? More general way for all apps to recognize? Moot point?
I assume different apps might require different directory structures...to be efficient, or to be able to work with those dirs/files. I'd rather have the most optimal structure now, before I start messing with creating more directories, etc down the road.
The general questions are, should I format this as something else? What is best to use? (Still looking into different file manager/transfer apps for now, and MAY root and keep stock ROM in the future, but acclimating myself with Android OS has been more than enough for now...I do enough Linux at work, so not in any rush )
Since I went there, I don't know if the OP's question was fully answered...so again, here's a quick (newbie) question for those who root but keep the stock ROM: can apps be moved to the SD card in that case? Or do I need to break out of stock ROM to do that?
Thanks in advance!
Click to expand...
Click to collapse
If your'e just talking about music, you can put it in any folder and any structure you'd like. The Android Media Server process scans your entire SD card for media (including music) except for folders with a ".nomedia" file in them. It will use the tags to identify the artist, song, and album, then sort them based on that information.
Flame Red said:
Wanted to report back that I tried a simple case of using Directory Bind for something non-critical as a test. Used it to remount Titaniumn Backup to the external SD. Yes, I know you can just point it there. Just wanted to test Directory Bind.
It seemed to work until I rebooted the phone. Then it lost all the binding even tough I had checked off to save it for reboot and saved the binds to a file. So just beware that if you were using Directory Bind for something critical - you might have to recover the phone! I removed the package for now.
Click to expand...
Click to collapse
bummer

don't bother moving any apps to the external sd, since you have TONS OF ROOM in your internal memory on this phone..On the original note, I had over 300 apps installed on the internal, and still had over 5 gigs of room left..
just keep your music, movies, pictures, and other space hogs on it..trust me, leaving apps alone will never be a problem when you have a phone with this much storage space!

wase4711 said:
don't bother moving any apps to the external sd, since you have TONS OF ROOM in your internal memory on this phone..On the original note, I had over 300 apps installed on the internal, and still had over 5 gigs of room left..
just keep your music, movies, pictures, and other space hogs on it..trust me, leaving apps alone will never be a problem when you have a phone with this much storage space!
Click to expand...
Click to collapse
11GB is a lot (available to start with on the ATT model) if you use the external for media (and app cache) and leave the internal for apps mainly...agreed.
Most apps are small in size...however, one app like NOVA3 is 2GB and that is a big bite of your 11GB available, so that is a little concerning
I haven't had the device or android long enough to know, but, are app databases and cache allowed to reside on the external card --in lue of the ability to move apps to the SD being taken away since Jelly Bean (was it at that update)? Can someone point to a good thread on the reason and discussion about that? Thanks.

http://forum.xda-developers.com/showthread.php?t=1994046
App2SD change external to internal.
Sent from my SAMSUNG-SGH-I317 using xda premium
You can make your external your main storage device by using this root technique. But some people don't advise it saying it slows down your processing on apps.

wase4711 said:
don't bother moving any apps to the external sd, since you have TONS OF ROOM in your internal memory on this phone..On the original note, I had over 300 apps installed on the internal, and still had over 5 gigs of room left..
just keep your music, movies, pictures, and other space hogs on it..trust me, leaving apps alone will never be a problem when you have a phone with this much storage space!
Click to expand...
Click to collapse
Note II is a Unified Storage device. It has 11gb available for both user content (pictures, movie, music etc) and apps. I lost 2gb of space moving from my S2 to the N2.
S2 is not a Unified storage device, so it has 11gb of storage available for user content and a separate Apps partition of 2gb.

Partition Sizes

Curious if anyone has modified the partition table on the device? With the System taking up 4 some gigs... seems silly not to shrink it down a bit for more app usage. Any thoughts on this one or am I just thinking silly on it?

I think the same but i found nothing. I flashed a debloated rom for the 10.1 and now have 1.2GB free on system parts. I used titanium backup to transfer some app from data to system but it's boring. But it's nothing compared to my MicroSD card memory

eowindel said:
I think the same but i found nothing. I flashed a debloated rom for the 10.1 and now have 1.2GB free on system parts. I used titanium backup to transfer some app from data to system but it's boring. But it's nothing compared to my MicroSD card memory
Click to expand...
Click to collapse
I did transfer some apps over as well, or in reality can remove them because they sit on the SD partition because of updates (really wish it would just update to system by default). I know moving some updates over just screws it up, let alone just moving screws up the icons on the desktop portion.
I don't have a de-bloated rom right now. The way I see it, its being used or wasted at this point. Apps don't seem to be slowing it down, though im sure a few are running in the background, but nothing that has hampered battery life like my previous Nexus 7 (2013). This seems to do much better at not wasting power. Guess im not being as picky as I use to with random apps chewing up space.
I would of jumped all over a 32GB edition from the get go. Paired with a 64GB SD card, its win win. Even now it is, just can't install everything I want to in 1 go since most apps still are stored locally on the main internal SD Partition and can't be transferred over. I can live with it, and im sure someone will figure it out. I know I use to do it with an old phone that had, next to no internal memory (a loong time ago). PITA to update, but well worth being able to use the phone.

You can use FolderMount [ROOT] to create a symbolic link between internal SD card and external to move your application.
For example if you want your google offline music on sdcard you can mount /sdcard/android/data/com.google.android.music on external sdcard.
It is possible to do it for every folder so it solves the problem :highfive:

eowindel said:
You can use FolderMount [ROOT] to create a symbolic link between internal SD card and external to move your application.
For example if you want your google offline music on sdcard you can mount /sdcard/android/data/com.google.android.music on external sdcard.
It is possible to do it for every folder so it solves the problem :highfive:
Click to expand...
Click to collapse
Yeah just read into that. Thanks for the link so it reminds me.
Course, internal storage is always faster But for music/movies obviously SD Card just works fine with that.

[Q] Kitkat Rom with SD card fix?

Before anyone answers, no, I am not looking to simply enable write access to the external SDcard!
Q: Is there a Sense 6 based rom (for the M8 of course), that returns pre-Kitkat functionality for the external SDcard?
I hardly have any apps installed, but because I use GPS apps with offline maps, and the numerous e-books (lots of graphic novels) and such I take along to pass time, my internal memory space is already getting close to full. I've already used the supposed SDcard Fix, which does allow me to write to the external SDcard, but the apps still use the internal storage space only. If not a Sense 6 based rom, is there a alternative rom which returns functionality to the external SDcard? Or maybe some way to change or add symbolic links? It's driving me crazy that I purchased a 64GB card just so that I can carry as much as I can with me and not worry about space, yet can't really make any use out of it.
Btw, I'm looking for a Sense 6 based rom because I love the HTC camera app. Much better then the Google camera app imo, and pretty much the only app I have that actually uses the external SDCard.

Nearly all custom Roms are with sd card fix

Then I'll try one of the Sense roms on here for the M8, though I don't see any specifically mention how the external SDcard is handled.

Yea there won't be no real mention, but we have full access to sd card, and if not there is a xposed module which fixes that, but I use renovate 4.0.1 and I can do all things which I was able to do before with the one x too...deleting music , changing direction really all things, so yea the fix is inside

Even apps using the external SDcard like in previous Android versions? That is what I'm looking for. Simply making the external SDcard writable is not enough, because the apps still don't use the external SDcard when they are installed or they download the needed data for the app. For example, I want the GPS map data to install itself and the app to make use of it from the external SDcard. Me being able to move the data does nothing if the app still wont use it.
Hopefully that makes it clear what I'm looking to do, as I've seen plenty of other posts in other similar threads where no seems to understand what the question really is.
I'll look into the Xposed fix, as I already use Xposed.

Aren't you able to select yourself where to save the data? If the app won't allow it because of slower read and write speed for example you can't do anything against it...external sd are often or always slower then the internal which is nearly like a ssd

You are correct. I was expecting some of the apps to use the ext_sd to write the downloaded data automatically, but apparently only a few of my apps do as such, or give the option. My previous Android devices had much smaller internal memory, so the default action for apps was to write the app to the internal, but download data to external. I was expecting the M8 to work the same, but with 32GB of internal memory (I know its less then that after the OS/stock apps), all the apps defaulted to writing everything to the internal memory and do not use the ext_sd at all. Looks like I'll need to use Folder Mount and see if that will solve my problems.

Mpegger said:
You are correct. I was expecting some of the apps to use the ext_sd to write the downloaded data automatically, but apparently only a few of my apps do as such, or give the option. My previous Android devices had much smaller internal memory, so the default action for apps was to write the app to the internal, but download data to external. I was expecting the M8 to work the same, but with 32GB of internal memory (I know its less then that after the OS/stock apps), all the apps defaulted to writing everything to the internal memory and do not use the ext_sd at all. Looks like I'll need to use Folder Mount and see if that will solve my problems.
Click to expand...
Click to collapse
Comparatively few Android devices offer external storage and Google seems to be on a mission to discourage OEMs from implementing it (no Nexus device has it...). So my guess is, that even the guidelines for Android app development are heading the same way. I wonder if the KitKat version of your GPS app just dropped ext-SD support because of the new rules or they made a general decision that it is not worth developing for it because relatively few devices have it.
Because even under KitKat (IF I finally understood the new permissions correctly) that app should be able to create a folder on ext-SD which it can read and write to.
That is how I understand the KitKat permission system: A third party app cannot write to the ext-SD except to a folder it created itself (=owns it).
So if you create a folder in File Manager on ext-SD, drag your maps in there, File Manager owns that folder. The GPS app should still be able to open them (if it lets you browse to it), but cannot change them or save new ones to that folder.
However, if you create that storage location from within the app it should still have full r/w permissions to that location. If the app does not offer that functionality, you're out of luck.
But that's a limitation of the app - not of KitKat.
If you still have an older TiBu backup of your GPS app that allowed you to save to ext-SD, restore it to your Kitkat rom and check if that works.

question

With Android 10 (or a 3rd party OS based on it) which I was following this guide for (unable to post link):
install-android-10-on-motorola-moto-g5-lineageos-17-1-how-to-guide
I just wanted to know if it allows you to move apps to external storage, because right now; they install whereever they want, and it seems like most prefer internal storage. I have obviously got an microSD card (a sandisk extreme pro 128GB with 90MB/s write in crystal disk mark). The small internal storage for me is the only issue I have which would be fixed with a way to choose default storage location (there is another issue of it not being clear if the place you want to save a file in on internal or external storage). Also I do have the SD card configured as internal storage.
I just installed an app to record voice calls (automatic call recorder), which has installed on the internal storage. I recorded a message from my three mobile top up but the recording was very difficult to understand even when played back at 70% volume on my PC headphones. I need it because I'm dealing with a company called repairtech.co.uk who told me that the reason they returned my monitor with a cracked screen was because I packed it incorrectly in the provided box (instead of packing material there are some hooks which suspend the monitor in the box with minimal aircushions). Since it was an out of warranty repair, I paid £80 for the evaluation that I needed to fork out for a completely new screen. I only found out about the crack when I overheard a conversation being made on my behalf and checked the box.
I can't do this upgrade right now because I need to have access to my bank account while I try to buy a new GPU which is available from tomorrow.
Edit:
Unlocked bootloader
Fastboot drivers installed on PC
I just tried but could not find a sticky or some such to get these pre-requisites.

Format sd card as internal storage & all data will be stored there
Advantages - more internal storage
Disadvantages - will only work on the device that formatted it as internal. You can't remove it & put it in another device without formatting it. Same for for if you want to change roms potentially.
A fast sd card is also required
Apps can't be "moved" to external storage (from android 5) in the way you are suggesting. Some apps like widgets will even break if you tried
Call recording works - you shouldn't need a 3rd party app on some roms as you can just hit record from the dialer but this is rom dependant.
Try using another dialer that can record or try on lineage mint in the Dev section - you may be using a very old rom if you are following some random guide you found on the net

TheFixItMan said:
Format sd card as internal storage & all data will be stored there
Advantages - more internal storage
Disadvantages - will only work on the device that formatted it as internal. You can't remove it & put it in another device without formatting it. Same for for if you want to change roms potentially.
A fast sd card is also required
Apps can't be "moved" to external storage (from android 5) in the way you are suggesting. Some apps like widgets will even break if you tried
Call recording works - you shouldn't need a 3rd party app on some roms as you can just hit record from the dialer but this is rom dependant.
Try using another dialer that can record or try on lineage mint in the Dev section - you may be using a very old rom if you are following some random guide you found on the net
Click to expand...
Click to collapse
s!AhCKpFOJjf6jgmmWl9eeP7QcY3Kk?e=hNnDs1 <<< one drive link
I remember moving kindle from internal to external, this is on Android 8.1. I have used two SD cards and I selected the option to format as internal storage both times.
s!AhCKpFOJjf6jgmryXVi1jRNlp1Av?e=haNOnt <<< one drive link
Is this showing the correct screen for a internally formatted SD card? It does have some apps on it including kindle, but as I said it seems to decide for itself wether it will install on the sd card or not. There is no raid like pool of storage as you can see from the 2nd screenshot.
Will the moto g5 recieve a 3rd party upgrade to Android 11?

sgtsixpack said:
s!AhCKpFOJjf6jgmmWl9eeP7QcY3Kk?e=hNnDs1 <<< one drive link
I remember moving kindle from internal to external, this is on Android 8.1. I have used two SD cards and I selected the option to format as internal storage both times.
s!AhCKpFOJjf6jgmryXVi1jRNlp1Av?e=haNOnt <<< one drive link
Is this showing the correct screen for a internally formatted SD card? It does have some apps on it including kindle, but as I said it seems to decide for itself wether it will install on the sd card or not. There is no raid like pool of storage as you can see from the 2nd screenshot.
Will the moto g5 recieve a 3rd party upgrade to Android 11?
Click to expand...
Click to collapse
You can't "move" apps natively to sd card - it will break many apps
Can't see screenshots as you haven't linked correctly - post full link (put spaces in address if you can't post links)
It is also up to the app where it installs in the Manifest of the app - you may find the apk is installed on internal and the data is on the sdcard
Data will be in the android/data and android/obb folder
When sdcard is formatted as internal you will see the total size of internal storage has increased
If you remove the sdcard you may find some apps will no longer function correctly so you will know its on sdcard
Also you should have selected to transfer data to sdcard when you first format it as internal

TheFixItMan said:
When sdcard is formatted as internal you will see the total size of internal storage has increased
If you remove the sdcard you may find some apps will no longer function correctly so you will know its on sdcard
Also you should have selected to transfer data to sdcard when you first format it as internal
Click to expand...
Click to collapse
https:// 1drv . ms /u/ s!AhCKpFOJjf6jgmmWl9eeP7QcY3Kk?e=OGLDiW
https:// 1drv . ms /u/ s!AhCKpFOJjf6jgmryXVi1jRNlp1Av?e=AMHbFw
Its just apps on the sd card. When I first installed the card, I had just performed a phone reset so there were not an third party apps installed yet.

sgtsixpack said:
https:// 1drv . ms /u/ s!AhCKpFOJjf6jgmmWl9eeP7QcY3Kk?e=OGLDiW
https:// 1drv . ms /u/ s!AhCKpFOJjf6jgmryXVi1jRNlp1Av?e=AMHbFw
Its just apps on the sd card. When I first installed the card, I had just performed a phone reset so there were not an third party apps installed yet.
Click to expand...
Click to collapse
Nothing wrong with those screenshots
Unfortunately this is just how android works and your device looks to be functioning correctly
If you are rooted you can use other methods to move apps to sdcard eg link2sd (requires sdcard with a second ext4 partition) but the more apps you symlink to sdcard the slower your phone may become. Make sure you link & not forcefully move as some apps like widgets will not function if forcefully moved and not symlinked to sdcard
Also note I haven't used this app in about 10years so no idea if it still functions on latest versions of android as it hasn't been updated in a few years
You will have to Google other root methods

[Method] Merging SD Card with Internal Storage

This post documents a method of enabling Adoptable Storage with adb commands on sony phones where previously similar solutions seem hard to find. Please link similar methods if they exist somewhere else, I am curious to read.
Personal success on SO-02K (NTT DoCoMo XZ1c ) fw version 47.2.B.5.38 Android Pie, 128G A2 card.
The method results in a fraction of the microSD Card being recognised by the system to be able to transfer apps to, and another fraction where the sd card remains external storage.
The Stock Camera will only be able to save to the mentioned external storage partition after this process, and it will fail to save to internal storage.
Some apps may not work when transferred to the sd card and have to stay in onboard storage.
Premise
I carried out the process with a freshly flashed phone, with a minimal amount of apps present in the system. I cannot guarantee same success with an almost-full phone, although in principle it should be the same. If anyone has success on a more full system please let me and others know.
ADB Debugging should be turned on in developer options and authorization of PC given in advance; root or bl unlock not necessary.
SD Card will be WIPED in the process. For your data's safety do backup everything on your phone, both internal memory and external memory before proceeding! Don't yell at me if in the end it'll have to be restored.
Process
adb shell
sm list-disks this should return two integers such as 179,0
sm partition disk:179,0 mixed xx where the 179,0 should be your result in step 2 and xx be the amount of space reserved for /sdcard ; wait until command finishes. For the mixed xx see Miscellaneous#2 for explanation. Please also reply if you know the command to revert the changes made in this step, because I'd expect it be useful in the future and I don't know what it is.
Turn on force allow apps on external in bottom of developer settings if haven't done so.
Open camera app, click on OK until warnings go away, then set save directory in SD Card. Test if it saves successfully, if not, see Miscellaneous#1.
Reboot, then try moving some apps to your sd card! Some core function apps are not movable; that is to be expected.
Miscellaneous
If your camera won't allow you to open up settings (keeps saying cannot save), then you have run into a problem I have never seen before. If you can go into camera settings but the SD Card option is greyed out, that means either you have not reserved enough space in mixed xx or the command may have gone wrong. Or the card may not be in perfect condition for Adoptable Storage. You can unplug the sd card to see if the camera works fine after that, but I haven't tried that. If anyone knows the corresponding command to revert the changes made in Process#3, please let everyone know!
The mixed xx part allows a part of the sd card to remain.... an sd card. xx% of the space in your card will be recognised as external(portable) storage by your phone, and is readable by a PC. This portion will be the place where your future photos and videos are saved in, as the camera will fail saving to internal space. Thus you may want to use the fastest card you have and set xx based on your use patterns. The other part, the (100-xx) % of space is recognised by the phone as internal storage that it can put apps in, although some apps (especially some games) will still save assets in the phone's on board storage no matter where you move the main app.
This post is re-written from original post(chinese)

Thanks for sharing this but in my experience it does not work. I followed the guide and It looks like it worked, however now I don't understand how to move the apps away from the internal memory to exploit the new storage space provided by the SD "internal" memory... each time I try to move an app I get a "not enough memory" error message although there are about 64Gb free, no matter what app I try moving. I also noticed that deleting an app from the phone and then re-installing the app in the phone will finally install it in the SD but several apps I tried didn't work any more once re-installed in the SD storage.

indago said:
Thanks for sharing this but in my experience it does not work. I followed the guide and It looks like it worked, however now I don't understand how to move the apps away from the internal memory to exploit the new storage space provided by the SD "internal" memory... each time I try to move an app I get a "not enough memory" error message although there are about 64Gb free, no matter what app I try moving. I also noticed that deleting an app from the phone and then re-installing the app in the phone will finally install it in the SD but several apps I tried didn't work any more once re-installed in the SD storage.
Click to expand...
Click to collapse
Hi and Merry Christmas!
I do get system warnings saying the phone is full while it isn't; it seems that Android freaks out a little trying to gather disk usage info when the SD card is merged with internal space. However I can move most non-system-apps.
Did you move the app with the (Press&Hold App Icon)->App Info ->Storage->Change function? I found I didn't include this part in the original writing and might have been a source of confusion. Assuming it was done in App Info, could you tell me what apps don't work, and perhaps I can try on my phone. I also wonder how much storage did you allocate to each of the two partitions on the SD card.
Another potential source of error is the card itself, in some cases, the card may have bad blocks that Android doesn't correct for and cause read problems, as my SD card now begins to show. Sometimes I wake up to see my home screen devoid of apps, and I have to reinsert and restart the phone multiple times before the SD card gets recognized by the phone again.

Did you move the app with the (Press&Hold App Icon)->App Info ->Storage->Change function?
Click to expand...
Click to collapse
yes.
Assuming it was done in App Info, could you tell me what apps don't work
Click to expand...
Click to collapse
all. I was not able to move any app.
I also wonder how much storage did you allocate to each of the two partitions on the SD card
Click to expand...
Click to collapse
50% of 128Gb, that is 64Gb each.
Another potential source of error is the card itself
Click to expand...
Click to collapse
it doesn't seem the card, since the remaining 64Gb left for external storage, that is where the camera app is saving photos and videos and some other apps save data, still works fine.

Here it is the screenshot of how Android now sees the storage configuration (android settings > storage) after I performed the procedure described above for configuring adoptable storage (writings are in Italian but I think it should be easy to understand).

indago said:
Here it is the screenshot of how Android now sees the storage configuration (android settings > storage) after I performed the procedure described above for configuring adoptable storage (writings are in Italian but I think it should be easy to understand).
Click to expand...
Click to collapse
mine looks the same. I don't know what to suggest. I'll look around on other forums to see if people have the same problem.
This post is re-written from original post in Chinese which in turn is adapted from a lost post on gfan.com.
It also turns out that googling sm partition would give a lot of information most dated back to android 6.

I've been looking around as well, but was able to find only people reporting failures in enabling odoptable storage on Sony devices. However, one difference between your phone and mine is fw version: mine has 47.2.A.11.228 (no brand) - don't know if this can make any real difference.
By the way, I'm wondering whether it could be possibile to install a rarely-used app in the internal memory, then "park" the app in the SD card's external memory by moving its files, then eventually move it back to internal memory only in the case you need opening that app. If it works, it could be a trick for keeping all the apps you want "freezed" in the phone, by taking the usually unused apps in the external memory, then moving one of them in the internal memory only in the rare circumstance you need using it. Then moving it back to the external memory if you think you won't use it any more for a long period. Obviously one could simply uninstall and reinstall those rarely-used apps on occurrence, but that would take more time, consume data traffic and lose the app existing data, so I think that >IF< this kind of trick could be feasible, I'd go for it.

indago said:
I've been looking around as well, but was able to find only people reporting failures in enabling odoptable storage on Sony devices. However, one difference between your phone and mine is fw version: mine has 47.2.A.11.228 (no brand) - don't know if this can make any real difference.
By the way, I'm wondering whether it could be possibile to install a rarely-used app in the internal memory, then "park" the app in the SD card's external memory by moving its files, then eventually move it back to internal memory only in the case you need opening that app. If it works, it could be a trick for keeping all the apps you want "freezed" in the phone, by taking the usually unused apps in the external memory, then moving one of them in the internal memory only in the rare circumstance you need using it. Then moving it back to the external memory if you think you won't use it any more for a long period. Obviously one could simply uninstall and reinstall those rarely-used apps on occurrence, but that would take more time, consume data traffic and lose the app existing data, so I think that >IF< this kind of trick could be feasible, I'd go for it.
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Striking news in the new year-- my sd doesn't work now. Yesterday I checked everything worked, but now no apps installed on my sd card open. using sm list-volumes shows both internal and portable partitions on the SD are mounted, but the apps still refuse to open.
The card looks like it's corrupted, now the two partitions can't even be recognized with my card reader, I guess I'm screwed.

at my asus max m2 .... working, camera, i can move app to sd card and they still works
butttt the only thing is at settings/storage/ information; it shows numbers that dont are correct and a option "to forget sd card " ?!?!?
well i don't know.....