Questions tagged [partitions]
A partition is a division of either your internal storage or your sdcard.
377 questions
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Does flashing the stock ROM repartition the device internal memory?
After I have repartitioned my tablet I wonder what would happen if I flashed the stock ROM again.
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Android Device Partition table not recognized by any of the partition management tools
I have an Android 8.0.0 device (https://www.tvbox-manufacturer.com/product_category/fire-tv-stick/) with eMMC as a storage medium.
The eMMC is removable (BGA socket on the Board).
The device boots ...
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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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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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How to erase unsued space so that dumping userdata partition creates a sparse file of small size?
When I create a gzip image of userdata partition (/dev/block/mmcblk0p29) it creates huge 6.8GB image, previously it was 350MB.
Is it possible through command-line to erase or wipe or delete space on ...
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Looking for help choosing the correct stock recovery.img file for my phone
I have a Moto G5 XT1676 with Android 7.0 stock firmware.
I rooted the phone with Magisk and installed TWRP but I never backed up my recovery.img partition. Now I want to flash a stock recovery ...
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Applications don't recognise internal storage partition 2 mounted as external sd card
So I have a Chuwi Hi10 Plus running RemixOS 2.0 (Android 5.1.1). This was originally a dual boot tablet, but I deleted Windows, so now the device has 45 gigs of storage free on the drive. I formatted ...
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Where is the baseband firmware stored and how does Android interact with it?
My searches on the web didn't provide suitable answers to these questions:
1) Where is the baseband firmware stored?
My understanding is that this particular firmware is a RTOS built for the ...
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how to extend support for EXT4 file system for microSD cards in stock or non lineage / CyanogenMod ROMS
As I am aware after Android 4.4 or some sort your storage card is no longer eXposed directly and needs to be carefully interfaced through specific Mount points that need to be aware through vold ...
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Why are superuser permissions needed to acess /data partition?
The default account is normal user, and I used it to install Google Play Store APK (to /data). Then Google Play Store was opened using my current user's permissions, and it is used to download and ...
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Where is info from /proc/dumchar_info used, on MediaTek devices?
There are plenty of instructions for changing partition layout on Android, including MediaTek devices, and they say I need to edit MBR, EBR and a ‘scatter file’ and to feed the latter to SP Flash or ...
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Why bowsers cannot download files to storage (path looks /dev/null/Download)?
The phone is Samsung Galaxy Note N7000. For the last few years I use NightOwl custom rom (Android 7). I do not remember when I faced with this problem, maybe after repartitioning with REPIT (but ...
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How to get rid of SeLinux Denials in Permissive mode?
Need some help with 3 issues:
In Permissive mode I get denials, why does this happen and how do I fix that?
If I am enforced, how do I give access to my Partitions to various processes. Right now I ...
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After formatting SD card "as internal", can the partitions be downsized?
I've a 16 GB MicroSD card that's apparently faking its size. Using H2testw I found that only the first 7.8 GB are usable. Before buying a new one, I want to see if I can "fix" it. The idea is to have ...
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How is system-as-root mounted in Android 9?
In Android 9, system.img consist of system and ramdisk. So kernel will mount system.img directly and implement init program. Next, init will parse init.rc file and mount remaining partitions based on ...
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How does Windows interact with Android Internal Storage?
I have a simple question which I can't find the answer for
We all know that Microsoft Windows doesn't support partition formats such as ext4 or f2fs, however even this being the case, how can it ...
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How to merge /data and /sdcard on Android 4.4?
Is it possible to use two partitions as one storage on a MediaTek device?
AFAIK, it is already implemented in Samsung Galaxy S III, may be.
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EXT4 Mount gives this error "SELinux: mount invalid. Same superblock, different security settings"
I am trying to mount a second partition (ext4 ) for my apps ( I guess its a bit outdated with adoptable storage but then ext4 isn't accepted FS for adoption for external card ) . I am on 9.0 ( Pie ) ...
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app2sd link2sd nightmare ..all Fully Linked apps disppear
One advantage in using app2sd ( or link2sd ) was that if all your apps are totally linked
when you swap out phones you would hope to 'carry' your apps with you and of course space savings to /Data
...
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mounting multiple ext4 partitions in Android 7+
I am doing away with exFat for my Microsd card after all my pictures decayed , corrupted and the directory was locked. I cant seem to write into a specific directory. chkdsk will just plain abort ...
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E:failed to mount /cache (invalid argument) - how to format?
I have a Asus Zenfone 2 and a few days ago it ran out of battery and turned off. Then after I charged it up and restarted it, it wouldn't turn on. It gets to the logo and the loading circle and just ...
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How to change random filesystem label on USB OTG?
I am without PC right now, but I need to Format USB Drive (to FAT32 or Ext4) with Samsung S8 (Android 9) and change label. But I can't find any app that can do this. I can format USB drive in Storage ...
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hard factory reset when partitions are messed up
I have a Google Nexus 7 (2012) which for no apparent reason entered an endless reboot loop. Trying to fix it with a fresh install of the OS via TWRP, I unintentionally messed up the partition table.
...
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Inserting incompatible SD card?
I have an Android phone which supports 32GB SD card. So, if I insert a 64GB SD card, I know that the device will not recognize it. But, if I create two partitions in the 64GB SD card (32GB each), will ...
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Micro sd card partition strategy for Android (context of wear leveling & data corruption)?
The primary issue relates to bad blocks / clusters and it happens to be android platform.
This is a Sandisk 128gb (leave this link - it is not an ad). Some cards indicates other problems like memory ...
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SD card had bad sectors after chkdsk. Is that Logical or physical ?and path from here
This is about data corruption on android . The primary issue relates to bad blocks / clusters and it happens to be android platform. So this is a super user and NOT android enthusiast question. ...
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What's the difference in contents of `/odm` and `/vendor` directories?
I have a little idea about the /odm but no idea of /vendor dir. Can someone please explain in the best way possible? I looked up on Google and it didn't help.
What I'm really confused is with whether ...
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Adoptable Storage on LG Stylo2
I recently bought a 64GB SD card. Soon discovered adoptable storage is disabled on Stylo2, so I can't change app storage from Internal storage to SD card.
I followed instructions on another forum of ...
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What special privileges "/system/xbin/su" does have w.r.t. root access?
This answer says:
Because of the way directory/file permissions are configured on
Android, you need to have the su binary on your /system partition
in order for it to work. Putting elsewhere ...
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Manually create A/B partitions
I have a Xiaomi Mi 6X which is the Chinese version of A2. There is a way to convert it into A2, but OTA updates won't work because 6X has only A partition. I'm not sure, but I've read, it is possible ...
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Reset Partition Table for Nexus 7 2013 (Flo)
To cut a long story short I wanted to make the system partition larger on my tablet PC as it's far too small to do anything practical on. I used ADB push to put Parted into the root directory and ...
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How many mmcblk devices is normal?
Why so many mmcblk devices?
/dev/block/mmcblk0
/dev/block/mmcblk0boot0
/dev/block/mmcblk0boot1
/dev/block/mmcblk0p1
/dev/block/mmcblk0p10
/dev/block/mmcblk0p11
/dev/block/mmcblk0p12
/dev/block/...
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Accidentally flashed TWRP on both A/B partitions on Xiaomi Mi A2 Lite
I decided to try to root my Xiaomi Mi A2 Lite. I accidentally flashed twrp-3.2.3-0-daisy.img on both A and B partitions. Because of that, now I can only access the TWRP menu.
I think I should download ...
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How to take full image backup of partitions or eMMC?
I have an Archos 55 Platinum here. There is also a unofficial TWRP, if this might help.
I would like to make a backup of the storage of the phone, like dd for any partition, so I can inspect the ...
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Linux automount corrupts ext4 partitions of Android install?
I've been experimenting with dual-boot between Linux and Android on an x86 device which came with Android + Windows preinstalled (Chuwi Hi10 Pro).
I soon found out that simply booting Ubuntu (either ...
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0
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Partition SD card for use on a dual boot tablet
I have a dual boot Windows 10/Android tablet device that has only 1 micro SDcard slot. I also have a 128GB microSD card that I would like to split into a 96GB partition 1 for windows and 32GB ...
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0
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What is the partition layout of the Google Pixel?
I have searched for a listing of the partitions on the first Google Pixel. What are they?
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804
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Where does the partition information in /proc/dumchar_info come from, on MTK devices?
If I want to resize partitions or restore a backup later, how do I make sure that /proc/dumchar_info reflects the changes?
As far as I can tell, dumchar_info is not related to the MBR and EBRs, since ...
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1
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2k
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How disk space is partitioned in an Android phone?
How does storage space in our phone is partitioned? How can we access our storage space?
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stuck at "updating partition details" while installing magisk
so I have a moto 4 plus running android 7 that I am having trouble with running twrp. I am following a guide to root it by unlocking the bootloader, flashing twrp (temporarily) and then flash Magisk-...
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What are physical partitions on Android device?
I'm new to Android system. I'm trying to understand how it is installed to internal memory to eventually have it fully backed up and capable to be restored. To accomplish it I need to know what to ...
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Why do partitions get unmounted automatically after some time?
I have an Android phone running Oreo 8.1.0. I have two partitions in sdcard. One partition is ext4 formatted. I mount it using:
mount -t ext4 -o rw /dev/block/mmcblk1p2 /data/sdext2
But after some ...
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Unable to mount /data after multiple wiped
Everytime I try to flash anything from TWRP it says "E: unable to mount /data". I have tried multiple wipes and entirely reflashing the os but everytime i finish setting up the phone after wiping it, ...
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Saving backup to separate partiion - will wipe data/factory reset delete this partition?
Rooted PIxel 2 XL.
Running Titanium for backups.
Considering saving (encrypted) back to separate partition.
If I am in recovery mode and do Data Wipe/Factory Reset, will this separate, "backup" ...
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730
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How to mount userdata_b in stot_a in A/B partition device?
I have a Tissot (mi a1) with TWRP dual booted by separating vendor_a, vendor_b, userdata_a, userdata_b. It is dual booted by cosmicdan's twrp with Resurrection remix ( slot_a) official and Dotos ...
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1
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2k
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How to repartition Google Nexus 4 (aka. LG E960)?
Over a month ago, LineageOS rolled out Oreo (I think) update for the Nexus 4 (mako), but there's a catch - the system now takes up so much space, that even the nano version of open-gapps package can ...
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Does an Android Factory Reset also clear the cache partition? [duplicate]
In researching a possible answer to this question about "Server error occurred. Restart Camera." while taking photos on the Samsung Galaxy S6, I read this article.
The article talks about wiping the ...
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Samsung Galaxy J7 Pro 2017 (SM-J730GM) doesn't seem to support partitioned SD cards
I have a Samsung Galaxy J7 Pro SM-J730GM purchased at a Sanborns shop in Mexico, running Telcel's stock ROM, rooted, with TWRP recovery and Link2SD. A couple weeks ago I repartitioned my SD card in ...
0
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619
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Understanding partition size on /proc/partitions
I am trying to build a LineageOS ROM for an unsupported device. I need to get the partition size of the device. I have a rooted device and then went to /proc/partitions via root explorer, and I have ...
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1
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TWRP: Failed to mount '/preload' (Invalid argument)
With TWRP, on almost every operation I get
Failed to mount '/preload' (Invalid argument)
My device currently can not boot, and this may have something to do with it, /preload is currently in /etc/...