Questions tagged [external-sd]

For questions related to the external micro-SD card used by most Android devices to increase the amount of available storage. For the internal SD card, use 'internal-sd'. See the 'storage' tag wiki for a full overview of available storage-related tags.

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41 views

External SD card problems - how do I go back to device storage?

On a new phone with Android One/10 I mounted a 256GB sd card. I formatted is and added it to the system as internal memory (device storage), which is 128GB. Now the system reports a 512GB SD card. I ...
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26 views

How to prevent file corruption in SD card during unmount?

I have a custom device running Android 8.1. I am mimicking a partition of the internal flash storage to be used as a removable storage. At boot vold mounts the storage and creates the mount points. ...
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How does one refresh/update folders on 5.1.1/Lollipop Gallery and File Manager?

I know how to clear the cache for each via Settings, but with Lollipoop, I frequently have either displaying folders that are no longer available. Example: yesterday afternoon I swapped out microSDs ...
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40 views

Phone is just pretending to move app data to external storage?

My internal storage is full, so I've bought a SD-card and I'm trying to move some application data. For example I have 20GB of data for Audible which is my main concern. I went in to Settings > Apps ...
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18 views

External memory card error

My memory card just got corrupted from nowhere. So how can I retrieve my data from the corrupt mem card. Am using Huawei y6s
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44 views

How to encrypt an SD card for android so that it can also be used on other devices?

When encrypting the SD card via Android's encryption it makes the SD card only usable on that device. However if that device gets lost or broken or if one would like to access the SD card from ...
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38 views

Move files from android internal memory to sd card automatically

When I download music to my phone, the app only allows me to download the songs to the internal memory, but I like to store all my music in SD:/Music/ so for now I've just been downloading songs and ...
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1answer
38 views

Why preinstalled apps have more privileges than third party apps?

This question is based on an observation of Android's powerful security features, In my old Android Lollipop third party apps had read access (but no write access) to external SD card, but my Android ...
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53 views

how can I unhide my internal storage after corrupted SD card formatted as internal

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 ...
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40 views

Is there a way to change the type of file system format an android device can read?

I am trying to write files larger than 4GB to an SDCard. The problem is that the andorid device I have can only read Fat32 file system formats in an external SDCard. What I tried: I thought that, if ...
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40 views

How to specify the directory path on external memory card?

An app currently saves files to "mydir" on the internal memory: /storage/emulated/0/mydir Instead, I want the files saved onto external memory card, but I am unable to figure out what is the right ...
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can you reuse the same sd micro card as internal storage thats already been used as portable storage in the same moto 3g phone?

can you reuse the same sd micro card as internal storage thats already been used as portable storage in the same moto 3g phone ? If so, what steps do I need to take ?
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Mount USB OTG to specific destination folder on Nexus 6

I have an app that looks for videos in a specific folder: “videos”. I'm trying to get my FAT flash drive to mount on the folder videos under /sdcard internal storage. Nexus 6 (no SD card slot) ...
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Folders become unknown, undeleteable file type. How to fix and/or delete?

I'm trying to re-organize and replace the music on my phone's ext. SD card, but some of the folders have become some sort of unknown file type. In Windows, the properties window just says it's file ...
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Windows can access the phone's internal storage over USB, but not it's Micro sD card

My Samsung Galaxy A8+ (A730F), running Android Pie, had a faulty USB connector due to water damage and for a very long time, it wouldn't connect over USB. Nevertheless, everything else worked just ...
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256 views

Can't use/format SD card formatted as internal storage

I have a SanDisk Ultra 16 GB SD Card and formatted it as internal storage in my Nokia 2.1 (Android 9 - Not rooted). I can't use or format the sd card on my phone. When I choose to format it as ...
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Fonepad does not detect SD card anymore

I removed my SD card and then did a reset factory on a Fonapad 7 (K01N). Now it does not recognize any SD card at all. I have tested SD cards on other android devices, and they are okay. I rebooted ...
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1answer
217 views

Why root cannot access “.android_secure” directory on external SD card?

I have an Android 9 tablet, rooted by way of Magisk. It has an external SD card mounted as sdfat on /mnt/media_rw/1234-5678 which is mounted on four other mount points, all as type sdcardfs, with some ...
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31 views

“Android” file on old Micro SD card

I just removed the micro sd card from my old phone (Samsung Galaxy Core LTE) into my current Galaxy A20. The largest file in the card is an "Android" folder with two subfolders "data" and "obb". These ...
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25 views

Couldn't move content, try again

I have a Motorola G6 with Android 9 and a 32 GB mSD card (a good Sandisk one) formatted as internal storage and encrypted. When I first used the card, I used the content migration utility to move ...
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39 views

I have BlueStacks 4 installed on Windows 10. C:\Users\Bgarr\AppData\Roaming\Microsoft\Windows\Start Menu

I would like to move the entire program 1.99GB to SD card on my (F: Do I need to uninstall/reinstall or is there an easier way? Not having much luck with the AppMGR111 app. No need to transfer file ...
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2answers
79 views

“System” using 342GB storage?

I have a Samsung Galaxy S7 Edge in which I put a 400GB SanDisk micro-SD card to expand its storage space. Seems that didn't work though. The space is not available to me. And I can't really figure out ...
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53 views

Files (used to) appear on smartphone but not on Windows Explorer [duplicate]

I had a couple files missing on my Windows Explorer, despite being able to play files on the device itself. One tutorial told me to update my MTP driver, through Device Manager, I did, no changes. I ...
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25 views

Charge and USB flash drive through same port

I have a Pixel 3. I'm trying to use an external USB connected microSD card for recording long videos in a vehicle. However, even with wireless charging I'm finding that the power supplied is ...
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33 views

why does my device say “Unsupported Virtual SD card”

Galaxy S9: Though the SD card appears mounted properly, there is an error message stating "unsupported virtual sd card" with an option to format that doesn't appear to function (upon completion of the ...
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Connecting HDD to PC having copied files to HDD from phone triggers error check

I have a brand new, formatted with exFAT 1TB external hard drive which I'm connecting to my phone via a USB hub. I can copy files to it no problem. However when I connect to my Windows 7 PC it says ...
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33 views

What is Relevant benchmark values for microSDcard performance?

I found benchmarks of micro SD card in various websites. For reading those values and deciding and understanding and clarifying which one is relevant for adoptable/ swapping. I want to know what speed ...
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How to Benchmark MicroSD card internal and external in Android Mobile Phone through ADB SHELL commands?

How to Benchmark MicroSD card internal and external in Android Mobile Phone through ADB SHELL commands? There are many Benchmark Apps (Andro Bench, PCMark, 3D Mark, Crystal Bench for windows) to ...
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63 views

How to check that my Phone supports MicroSd Card SDXC UHS1 Bus Speed U30 card or not?

My device manufacturer technical specifications say that Expandable storage supported is of 128GB FAT32 hope its slots must be supporting SDXC form factor not SDHC form factor and UHS1 U3 BUS SPEED I ...
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1answer
82 views

Compatibility Feasibility Speed and use of High Capacity MicroSd Card for adaptable swapping and linking apps?

I want purchase a new high capacity (64GB or 128GB) high speed (100Mbps 170Mbps 250 MBps) MicroSdcard for Swapping/Adoptable /linking apps through Link2SD/ portable (adoptable) storage so i want ...
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1answer
383 views

How to get Google Photos to recognize External SD drive

I have connected an external SD card via a USB connector to my phone in order to have more space for recording video. However, Google Photos does not seem to recognize it - it does not show up in ...
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1answer
53 views

Why isn't my internal storage usage going down after adopting an SD card?

I have an Honor 5X running LineageOS, and I'm trying to use an external SD card as adoptable storage. After migrating my data, my internal shared storage usage does not go down. Specifically, "Music &...
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170 views

How can I make personal documents on my external SD card visible to the Kindle app?

I have a tablet running Android 9, with the latest version of the Kindle app. (The tablet is a Galaxy Tab A (8.0", 2019), but that shouldn't matter.) It's not rooted. In the Amazon Kindle app, I've ...
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242 views

why there is no affect of Setting Default location to external sdCard through pm set-install-location command?

I have android lolipop 5.1.1 and have 8 gb internal memory there is no option to make external to internal storage i tried to move apps but still my internal memory gets fulled up on installing ...
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1answer
188 views

How to use an external sdcard as internal in Android Lolipop 5.1.1?

I have seen option of making external sd card to internal in android 6 mobile phones but i have android lolipop 5.1.1 how can i make it adoptable or get that option is it feasable to get that ...
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2answers
657 views

How to create and use multiple partitions on external SD card with different filesystems (Ext4, exFAT, NTFS)?

I want to create 4 partitions on external MicroSDcard through ADB shell commands, not on Windows or Linux. Also want to show all partitions in Android GUI (SETTINGS > STORAGE > SDCARD) and make them ...
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1answer
58 views

How to move 7GB ext4 partition on external SD card to 30GB partition on another SD card?

I had rooted my Android Lollipop 5.1.1 phone and installed Link2SD and linked installed apps on ext4 7GB 2nd partition of external SD card of 16GB size . The apps installed occupied 6.5GB space and I ...
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1answer
93 views

How to decide which MicroSD card to buy for your Android device

You have an Android device running Android 5.0 "Marshmallow" or better, and it's running low on storage space. Some modern Android devices don't have a slot for a MicroSD flash memory card. But yours ...
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1answer
402 views

Mounting portable SD card folder to internal folder (WhatsApp)

I am trying to mount WhatsApp media directory from portable SD to internal "SD", as the phone internal storage is very limited. My phone: Sony Xperia XZ1 Compact (32GB internal storage, 128GB ...
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25 views

Mobile forgets about SD card again and again

I for one Android phone Android version 9. In that, I have a 128GB SD card. I am using this phone from 1 year without any issues, however, recently my phone stopped recognizing the SD card and I have ...
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1answer
88 views

Where can I see the file format of my SD card on Android?

Where can I see the file format of my SD card on Android? I use a Samsung Galaxy s9 with Android 9. Note a dupe because here we're talking about SD cards.
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1answer
474 views

How to bind-mount “data” and “obb” folders from external SD card in “/sdcard/Android”?

Can someone help me mount my Android/data and Android/obb in my internal storage from my portable storage? I'm on a Pie ROM. I found this: How to bind mount a folder inside /sdcard with correct ...
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1answer
115 views

Google Play Music is the only app that produces a “Browse” button on my car stereo

If I connect my phone via Bluetooth to my car, and then play music using the Google Play Music app, the car shows a Browse button, which allows me to navigate through artists and albums with the car's ...
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34 views

Switch primary and secondary user data

I have two user accounts on my Xperia X Compact F5321. When I set this up, I was unaware that a secondary user cannot be made primary. Now, I use the secondary user far more frequently and would like ...
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90 views

My SD Card gets corrupted every time my phone reboots or shuts down

I have a 32GB SD card, however, every time I mount it into my phone (Huawei Y5II), it shows a message that the SD card is corrupted and I should reformat it. I backed up my files to my PC, and ...
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1answer
2k views

How to bind mount a folder inside /sdcard with correct permissions?

I am using a Sony Xperia M4 Aqua. As is well known, the internal memory is rather small. Especially the Media directory of WhatsApp uses a lot of precious space, therefore I am trying to move it to ...
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96 views

my mi a3 mobile does not detect memory card after formatting it

I have a new Xiaomi Mi A3 mobile. I have used a cheap quality memory card with unknown manufacturer. The memory card was bought 4-5 years back when I inserted it in new phone then I could format the ...
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28 views

Memory card crashed while formstting as internal storage

I have sony xperia xa ultra phone.I read an article here https://fossbytes.com/android-sd-card-internal-storage-adoptable-storage/ But after I tried the steps memory card crashed while formatting. 1)...
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13 views

Files in mounted ext4 sd card not showing in file explorer [duplicate]

I used mount -t ext4 /dev/mmcblk1p1 /storage/emulated/0/mounted_dir chmod 0777 /storage/emulated/0/mounted_dir (chmod is to ensure the folder is visible in the entire phone)to mount my ext4 ...
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1answer
73 views

Is the maximum size of the SD card for the S9+ really limited to 400 GB?

Note: while this is not an exact duplicate, this question is a duplicate in that it asks where the limitation is located (software/hardware ...). So I think marking this as a duplicate is warranted, ...

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