General :: CM9 - Unable To Write To SD Cards
Oct 2, 2012
Few months ago i installed CM9 on my Galaxy Tab 7+. Everything worked fine to begin with, but after a while i was unable to delete stuff off my microsd card. I wound up buying a new card, copied the music and tv off the old card and installed it. Same problem. Now i have 2 microsd cards that I'm unable to write to at all. I can't write anything to them, can't delete anything off them and can't format them. I've tried using them both in my phone and on 3different Windows PCs with the same results. I have tried the SD card write fix referenced in the Galaxy Tab Plus development section and that didn't fix anything. The problem seems to be with the cards themselves, not the tablet (and phone and multiple pcs).
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Sep 10, 2012
I have a tablet with internal SD (nand one) and an external SD.
Now I can read contents in internal SD but can't write it. I checked up with root explorer, finding the file sysytem is "read only". After toggling it to R/W, the storage can be written by root explorer but still can't by other apps.
================ EDIT ================
p.s. When connected to PC as massive storage device, it can be read and written.
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Aug 21, 2010
When I connect my Vibrant phone to my Win XP system and select as Mass Storage, I can see two removable drives but can't open it? When I try to double click, it says "Please insert disk in to drive D:" My son's Win 7 system accepts it fine.
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Apr 26, 2010
My new HTC desire is unable to read or write to my 8GB SD card which was previously inside my HTC HD touch.
Why is this? I've swapped the SD cards around - i.e. the 4 GB SD card which it came shipped with is now inside my HTC HD touch It doesnt have a problem reading or writingto the 4 GB SD card that it came shipped with. I would prefer not to have to format the card
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Sep 19, 2010
Sometimes when I 'Tap to compose' after reading a text message the keyboard will slide up but will not allow me to type and the text area is grayed out.I can press the keys on the keyboard nothing will show on the screen.Any ideas?
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Apr 5, 2013
I want to write an apk file in device external memory (Not in Ext SD card) by downloading url.using
Environment.getExternalStorageDirectory() able to write in memory and the same working in some devices other than Samsung grand, Duos and samsung note 1.
Why its not working in those devices and how can i make my check generic for all devices.
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Jul 12, 2009
I need to write a fairly simple .csv file to the device's sdcard (so it can then be emailed via Intent). The below code does not write the file.
CODE:...........
More code here:
I flush and close out_stream. I can even seem to be able to read from the file on the device (printing above output, using fileinputstream, to an edittext.
How can I get to this file on the sdcard?
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Mar 16, 2013
upgrading sd card from 8 to 16 gb. when copying from one sd card to another there is still 5 mb of uncopied files? first made sure the show hidden files was checked, tried a couple progs and to no avail all say directories are the same? is the additional data a swap file or a program.
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Aug 30, 2010
i was trying to reply to my friend in chinese but was not able to change to chinese input. How do I do it?
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Sep 11, 2013
Any setting to force Google Now to keep the weather card "always on"? I have noticed that this has been disappearing lately, and doesn't even show up when I press the "show more cards" button.
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Apr 17, 2012
After putting a lot of thought into how to best backup my photos and videos while on the move, I decided that a tablet would be the best solution.
Now, I will shoot quite a lot of HD video in the near future, which means that even a 64GB tablet won't be large enough. Solution: Backup on a second SD-Card!
So right now I am waiting for the Acer A510 (with support for USB-OTG).
Can a Dual-SD-Reader like the one linked below will be working on Android, so both SD cards can be mounted at the same time?
[URL] .....
I know that I could also go SD->Tablet->Backup SD, but direct copy would make life much easier.
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Aug 10, 2012
Okay, this is what I want to do. Under Linux, it would be done via /etc/fstab, but Android has changed some things up.
Certain apps store files and other things on the internal SD card of the RAZR. For example, the Amazon MP3 Cloud player stores all downloaded music files to /sdcard/amazonmp3. There is no way to change this. However, I store all my music on my external SD card. So, what I want to do is create a mount point on the internal sdcard for the /sdcard/amazonmp3 directory that points to a directory on my external sd card (/sdcard-ext/amazonmp3).
That way, when I download music, it will still attempt to save it to /sdcard/amazonmp3 which really is a mount point that points to /sdcard-ext/amazonmp3.
Now, there is an app called FoldersPlug which does this. However, it's not doing it across reboots and it's a little buggy in how it works. I'd rather just fix the /etc/vold.fstab file (if that's possible) to mount my directories for me, but I don't completely understand all the needs to be set up in it.
If I have the following directories set up:
/sdcard/amazonmp3 (this will be empty)
/sdcard-ext/amazonmp3 (this will contain all the files and folder structures that would normally be in /sdcard/amazonmp3)
I want it so that the /sdcard-ext/amazonmp3 directory is mounted to the /sdcard/amazonmp3 directory.
Here is what I see when I run the "mount" command to look at the current mount points that are mounted:
Code:
/dev/block/vold/179:97 /mnt/sdcard/amazonmp3 vfat rw,dirsync,nosuid,nodev,noexec,relatime,uid=1000,gid=1015,fmask=0702,dmask=0702,allow_utime=0020,codepage=cp437,iocharset=iso8859-1,shortname=mixed,utf8,errors=remount-ro 0 0
/dev/block/vold/179:97 /mnt/sdcard/DCIM vfat
[Code]...
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Sep 26, 2013
I have a Motorola Razr D3 (XT920) Dual SIM and I want to port a CyanogenMod ROM to it, but the device is Dual SIM, and CM don't support it.
How to modify AOSP (or CM) Framework to Dual SIM! The kernel code of my device is available?
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Aug 13, 2012
I have a Google galaxy nexus ( from Google). The Google now works as far as voice recognition and asking questions, however cards are not displayed and at the bottom of the Google now screen I do not have a area that is supposed to have "more Google cards" button. I have activated everything I can think of and cards still do not display. I even allowed google to save web searches on my account ( its active). It also said to tap in the Google now window go to settings and then "Google now" to turn on or off....well I do not have a "Google now" option....strange! I am on 4.1 Jelly Bean ( did not root ) its standard upgrade.
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Dec 3, 2012
I must have changed a setting somewhere. I used to be able to connect my SGS3 to my computer and see the files of both my internal and external SD cards. For some reason now all I can see is my external SD card. I am running a CyanogenMod 10 ROM. I have USB storage activated.
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May 30, 2013
swap internal sdcard and external card but i couldn't find a solution for galaxy grand quattro win dual i8552. is there a way to do swap or not? i try same way of i9082 but no luck
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Apr 17, 2013
Most of the specs for tablets which have a micro SD media slot do not give any details about it. I'm generally wondering if a slot labelled "microSD" will accept a micro SDHC card (as opposed to a micro SD card). I know, for example, that some older memory card readers won't read the SDHC cards, even if they have an SD slot. I'm not sure about the tablets however.
Example of some of the tablets that I'd be interested in knowing this about are: Acer Iconia A700 or A210, and Toshiba Excite.
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Nov 14, 2013
Just installed the new Google Search. But i dont have any options to turn on cards, like TV shows, local transport etc. Do these appear over time? I only have 4 things in "Everything else" but i have seen people have like 20+
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Jul 6, 2012
I'm a newbie trying to develop some small utilities. Need some info on how to get started with writing a root app.
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Mar 4, 2014
I want to make a better Gmail app but I still want to use my Gmail as the "backend," is this possible?
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May 19, 2014
My S4 died from a smaller than hairline crack in the display - Cha-ching! $175The cat knocked my laptop-the same one on which I had just successfully re-flowed the video chip-off on the floor, breaking, of course!, the screen - ~$50 (when I get around to it)
Now, the first time I try to add some new tunes to my "new" phone, I can't manipulate any data on its SD card via WiFi. I can write, delete, move, rename, anything I want to/from the card from within the phone itself. Just not over WiFi.
I thought it was perhaps the app I was using so I tried another but same thing. The best error code I get is the highly informative "Operation Failed"-Period.
Is there some setting somewhere that holds sway over the ability to write to the SD card?
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Oct 18, 2012
I am trying to port cwm 6.0.1.4 for my HTC Desire S via the cwm builder. Its running so far, but not exactly working, because it doesnt mount all partitions correctly. So i assume, there must be something wrong with my recovery.fstab. I used an older recovery.fstab i found on the internet, but maybe it hasnt got the right "options" to mount all partitions correctly.
So, how to make a working one? Which partitions are needed and how they have to be mounted?
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May 15, 2012
Specs: ainol novo elf 7 tablet A10 processor. it has android market. (google play )
ICS 4.0.3, kernel version 3.0
it came with some chinese apps etc (identifying which rom it was, i believe it was factory rom).I ask torrents to download in my sd card, it says error , permission denied .
EXT CARD SIZE: 2 gig only. manufactuer says tab supports upto 32 *gig card...card wroks fine on my nokia x2-00 phone
Investigation:
1)i tried creating directory in using File manager...it did, ...it didnt show option of deleting / pasteing something.
so i used es file explorer........when I asked it to delete that empty directory i created , it said error permission denied.
2)i try to paste something, it fails.
3)i try to delete something it fail.
So, FORMATTED the memory card (via pc...connected it as usb, formatted, ejected), TRY TO PASTE SOMETHING via tablet, it fails
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Oct 23, 2012
I did a backup using Titanium Backup and Go Backup and after wiping my Motorola Defy, tried to restore apps, contacts etc. The problems I encountered were:
1) Go Backup can't recognize backup directory on SD card for some reason.
2) Can't move apps to SD. An error occurs: "Move Application: Failed to move application. There is not enough storage left." Needless to say, I have more than enough storage.
This is was I encountered by far, although I believe these are just a small part of the symptoms for a single problem.
Maybe its because there are no permissions, or moving apps is impossible because of an existing app files on the SD card.
What is the actual cause for this? Or is there a tool to fix the permissions on the Defy?
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Jun 21, 2012
I'd like to know if there's a way to write files into the main directory just before the system shutdown, something like this:
End all processes (-> unmount disks?) -> mount /sdcard rw and / rw -> copy files from /sdcard to / -> unmount disks -> shutdown/reboot
Same with boot image (flash, in this case, and not copy / mod files)... is it possible? Or do I require to boot into recovery for these operations? I know I can remount as rw my system directory via ADB
Also, is it possible to do the same thing with the build.prop file? This, or during startup (before mounting partitions with standard permissions).
Of course, this having root (but not a special kernel to enable this kind of "before mounting" thing).
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May 5, 2011
Is it possible to write an SIM card emulator software for Android?
By doing this, putting in a sim card in the phone, starting up an app that clones it in the memory, doing the same with a second sim card and then being able to change software wise?
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Mar 13, 2012
i want put arabic language read and write on my nexus one, i have search but the link and procedure is not clear for a beginner like me... need step by step procedure, device already 2/3/6 gingerbread
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Mar 25, 2014
how to pull and push registers to i2c devices? (Especially camera)
I'm using RootTools to get the list of the devices: "busybox find /sys/devices/i2c*/*/*/ -name name"
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Sep 9, 2013
I have a cell phone which name is Huawei Ascend P1. Now I have a problem, that is the devices can not bootup into Android's home and I can not write anything into flash, even using fastboot.
When booting, the screen stays on the welcome logo, and stay there forever, and adb could connect to linux shell on the phone. I can see all file on the phone, and I can save files after "mount -o remount / /", but after reboot, the file is gone.
If I use fastboot to flash a recovery into my phone, by follow command:
fastboot flash recovery recovery.img
The command line prompt says OK, but when it reboots, it still reboot into the previous recovery.
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May 20, 2013
My Ainol Novo 9 Spark can't write on my extSD/USB devices. I tried to format/remount but nothing works. The SD Card is working fine in my Galaxy Note.
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