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If we install/uninstall any apps, will the uninstall really clean/delete all the files from the system memory? For PC software sometimes it leaves something in the registry key or system directory.
Will Android has the same issue?
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ahkow said:
If we install/uninstall any apps, will the uninstall really clean/delete all the files from the system memory? For PC software sometimes it leaves something in the registry key or system directory.
Will Android has the same issue?
Sent from my GT-N7000 using Tapatalk 2
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Click to collapse
althou android doesnt have a registry.. i have seen that some apps leave their custom folders and files in the usb storage... which i have to find and delete manually.. mainly games and other apps that download data after installation
I'm also interested to know about this too...with Windows I'm pretty careful with what to install as I don't like too many un/installs...curious to know how Android handles many un/installs...
ahkow said:
If we install/uninstall any apps, will the uninstall really clean/delete all the files from the system memory? For PC software sometimes it leaves something in the registry key or system directory.
Will Android has the same issue?
Sent from my GT-N7000 using Tapatalk 2
Click to expand...
Click to collapse
Based on my experience there are many leftovers even after un-install. One suggestion is to use the 'Clear Data' button before uninstalling an app. However, even after this there will be leftovers esp in the sdcard\Android folder.
Left over under Android folder still manageable, my worry is it left something in the restricted folder where we have no access unless we root. Is matter of time run out of internal memory until factory rest.
Sent from my GT-N7000 using Tapatalk 2
it depend on what kinda that you use. some apps will left empty folders when you uninstall it.
same here
I actually have the same worry with my phone since I keep on trying different apps.. I just "clean data" and "clean cache" for the app before I uninstall it and I dont have problems with that..
The tool that I use is SDmaid. It helps me in identifying leftover folders and app debries. You can automatically delete them using the app.
Worked fine for me.
Sent from my GT-N7000 using Tapatalk 2
I tried SD Maid, it did help to free out at least 200+Mb of internal memory. Cool..
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ahkow said:
I tried SD Maid, it did help to free out at least 200+Mb of internal memory. Cool..
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Click to collapse
Most of the time, the biggest "trash" SD maid cleans up is the Gallery thumbnails..
Soooo when you startup your gallery app again, it regenerates the thumbnails so youre back to square one.. LOL
I am referring to internal memory, it freed up about 200+MB from program cache. Correct, the thumb view file (another 200+MB) from gallery reside at sd card will rebuild after delete.
Funny thing is wipe cache at CWM won't free up the internal memory.
Sent from my GT-N7000 using Tapatalk 2
I've noticed on ics that games and some apps leave folders on the usb storage. Gb used to remove them..
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For a specific case...
phone had installed the free version of AutomateIt.
Uninstalled it by: "clear cache", "clear data", force stop", and then "uninstall". Then rebooted phone.
A bit later searching the storage noticed a "AutomateIt" folder in Device Storage.
The AutomateIt folder contains a subfolder "Backups", which contains 3 files (all .AiR files). (two are 1kb, one is 0kb) .
Is it safe to manually delete these files and folders?
Are there any apps similar to SDmaid but for unrooted phones? (no root yet for Atrix HD, so not even an option)
Some apps leave behind files or folders no matter what you do. I just manually remove them using a file explorer.
This is my observation. Hope this helps.
Sent from my GT-N7000 using xda app-developers app
research paper
In case you are still interested in this topic, here is a research paper talking about the data residue vulnerability in Android system services:
life-after-app-installation-data-still-alive-data-residue-attacks-android
I could not post URL in the reply, but you can search the paper name and find it.
@nevermorexiao
research paper
In case you are still interested in this topic, here is a research paper talking about the data residue vulnerability in Android system services:
life-after-app-installation-data-still-alive-data-residue-attacks-android
I could not post URL in the reply, but you can search the paper name and find it.
Click to expand...
Click to collapse
Mmmm ........ interesting, will read it in detail later
Link is
http://www.cis.syr.edu/~wedu/Research/paper/data_residue_ndss2016.pdf
Another good reason to do a full wipe prior to installing a new ROM!
Hello,
I have already rooted my phone, and installed Titanium Backup from the Android Market, and removed all the apps that I don't use, such as
TImescape, Email, Geotags, etc... and managed to free a lot of memory from both the system ROM and internal memory.
There's many software apps out there like Root Explorer, Rom Toolbox, etc.. that allow you to view all the items in
the internal system, but is there software anywhere where you can install on one's rooted phone, and view all deleted items (photos,
music files, video clips, etc.) during the entire history of the phone since you started using it?
I know when you delete items on your computer, they are sent to a part of the system where it can be recovered with the
right tools.
Thanks all,
and Happy Halloween :fingers-crossed:
Ken
I don't know about such an application.
Click to expand...
Click to collapse
he means app such recuva for windows.
Sent from my E15i using xda premium
If I am not wrong, the files on the sdcard that you delete are deleted forever. Like Shift+Del in Windows; you can't see them again. The files in the other directories, AFAIK, are deleted in a similar way (where data is not stored). In conclusion, no, you cannot view deleted files.
sgt. meow said:
If I am not wrong, the files on the sdcard that you delete are deleted forever. Like Shift+Del in Windows; you can't see them again. The files in the other directories, AFAIK, are deleted in a similar way (where data is not stored). In conclusion, no, you cannot view deleted files.
Click to expand...
Click to collapse
is it true? but how if we accidentally reformat sd in quick format mode? is data still recoverable?
Sent from my E15i using xda premium
Its recoverable..
I too formatted my sd by mistake.
But then i recovered the lost data using stellar pheonix data recovery using my PC
Its recoverable as long as the deleted files haven't been overwritten. When you delete a file it doesn't actually get deleted, the memory block just switches from 1 (in use) to 0 (not in use). When you save a file, the system looks for memory blocks that are not in use and overwrites them. Thus as long as you haven't saved anything or used the memory it should be recoverable.
There's an app called 'undelete' or something like that on the Market that will recover deleted files.
Sent from my GT-I9000 using xda premium
Hi, before buying The Xperia Z1, i would like to know if the device allows "Move to sd card" for apps and games, anyone can help?
Nope not yet maybe in the next update
Sent from my C6903 using Tapatalk
you can write your own scripts app to sd or use titanium app to link folders. there are plenty of work around with out app. but you need to know adb and other scripts for it to work. if you code and understands linux, you should know some work around for app to sd. Of course you Need Unlocked Bootloader and Full Root access. linking apps with folders, direction can be used similar to Google Music folder link to external SD.
oh btw, you can choose any phone, not just Z1. cause most runs with OEM customized UI with limitations.
your best bet is running a Phone with stock closely related with out restriction.
So, I just installed the 4.4.2 OTA and I immediately noticed one big problem: I wasn't able to modify content on my SD card. I wasn't able to delete folders, or create folders, or create files. Reading content was no problem, and the camera app was able to save pictures to the card, but going through a file manager wouldn't work.
I started to do some research and I found this post from the developer of my chosen file manager, FX:
https://plus.google.com/+TodLiebeck/posts/gjnmuaDM8sn
Then, while getting ready to post this, I found another related thread:
http://forum.xda-developers.com/showthread.php?t=2641936
I thought this was a big enough deal to warrant a new thread here. Bottom line is you may want to hold off on this update, or at least go in with your eyes open because for a lot of people, like me, this is a BIG problem. It's damned near a dealbreaker for using my S4 as a matter of fact. Note that it does seem you're able to use the My Files app, but that's almost useless to me: FX has SMB support and I'm constantly pulling files off my server. I even have FolderSync set up to run every night, but I don't expect that'll work either (I'm about to try now).
Whether Samsung spits out a fix quickly, or whether I can root and fix this, it's a pretty significant problem. Be aware folks!
Then I will update after a stable de-knoxed ROM is available.
Sent from my SPH-L720 using Tapatalk
Thanks.for this. I think I will still update as I plan on staying unrooted and will use "my files".
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anees02 said:
Then I will update after a stable de-knoxed ROM is available.
Sent from my SPH-L720 using Tapatalk
Click to expand...
Click to collapse
I'm all for avoiding Knox, but in this case it appears to not be Knox-related after all... looks like it was a permission change that Google mandated for devices with external storage and Samsung followed the specification to the letter. I think Tod Liebeck explained it better than I can though. I can only hope Samsung gets it together and quickly releases a patch... I've read in another thread that they may have done this before and quickly put out a fix... if so, shame on them for making the same mistake twice, but so long as a fix is forthcoming, so be it. I'm not so sure there will be one though, that's my concern.
It's early to call that is the bug since nobody mentioned this issue.
And all are busy how to update.
I will wait 48 hours until all things be more clear.
Could you try another SD card and tell us if the issue is happening to the new sd card?
Sent from my SPH-L720 using Tapatalk
anees02 said:
It's early to call that is the bug since nobody mentioned this issue.
And all are busy how to update.
I will wait 48 hours until all things be more clear.
Could you try another SD card and tell us if the issue is happening to the new sd card?
Sent from my SPH-L720 using Tapatalk
Click to expand...
Click to collapse
Thing is, it was something that was apparently talked about before the update on other devices with 4.4.2. It's not a bug per se, Samsung did what Google told them to do, and Google told them to do it, I'd bet, to push people towards cloud storage since they don't want external storage used anymore anyway. None of that matters though because the fact is it's hurting some users (though I'd agree that not all will be impacted- it all depends on how you use your device).
A different card wouldn't matter, it's not related to that at all. It's a permission change that Google mandated with 4.4 (or 4.3, I've seen some conflicting info) that only impacts devices with external storage, and Samsung chose to follow Google's specification exactly in this case, to the detriment of (some) users.
FYI, *IF* you're rooted, here's a solution that fixes this. Worked for me and easy to do:
http://forum.xda-developers.com/showthread.php?t=2524277
Just remember to keep a copy so you can quickly undo it to take an OTA since I assume it'll stop an OTA.
Soooo lemme get this straight... Lets say I update to KitKat (NAE)and root it, and I have apps on my computer (like Flappy Bird APK for instance), I now cannot copy the Flappy Bird APK onto my SD Card then place it (using a root explorer) in system/app and use it?! If so this is a huge deal-breaker... Or am I misunderstanding this and there's more to it?
thankfully you can still create on the SD card from a computer when plugged. but i can confirm you cannot create anything on the SD card from ES file explorer, you can still create on the internal storage just fine tho
Joe0113 said:
Soooo lemme get this straight... Lets say I update to KitKat (NAE)and root it, and I have apps on my computer (like Flappy Bird APK for instance), I now cannot copy the Flappy Bird APK onto my SD Card then place it (using a root explorer) in system/app and use it?! If so this is a huge deal-breaker... Or am I misunderstanding this and there's more to it?
Click to expand...
Click to collapse
You can still copy from your computer if you use a USB cable... if you instead have a shared drive on your PC and connect to it via SMB from a file explorer, you won't be able to copy a file to the SD card.
In addition, using a third-party file explorer you won't be able to create, rename, delete or edit files or directories on the SD card, nor will you be able to copy files from internal storage to your SD card. This is strictly a limitation placed on non-system apps (meaning any you yourself install).
If you're rooted though, a quick edit to a single system file will deal with this, but nobody should *have* to do that.
fzammetti said:
You can still copy from your computer if you use a USB cable... if you instead have a shared drive on your PC and connect to it via SMB from a file explorer, you won't be able to copy a file to the SD card.
In addition, using a third-party file explorer you won't be able to create, rename, delete or edit files or directories on the SD card, nor will you be able to copy files from internal storage to your SD card. This is strictly a limitation placed on non-system apps (meaning any you yourself install).
If you're rooted though, a quick edit to a single system file will deal with this, but nobody should *have* to do that.
Click to expand...
Click to collapse
That's ridiculous... what the hell Android/Samsung?!
Wow! Not trying to rub it in or anything but thank goodness I switched to the Nexus 5. What a nightmare. I hope Samsung fixes it soon for you guys
Sent from my Nexus 5 using Tapatalk
Thanks for this, lets go here for any further discussion...http://forum.xda-developers.com/showthread.php?t=2646762
Any solution? Many thanks for your kind help!
First things first. Can you write to the SD card using the built-in File Commander app?
plvigo said:
Any solution? Many thanks for your kind help!
Click to expand...
Click to collapse
This really needs a fuller description of the problem: what exactly are you trying to do, what do you expect to happen, and what happens instead?
ghtop said:
This really needs a fuller description of the problem: what exactly are you trying to do, what do you expect to happen, and what happens instead?
Click to expand...
Click to collapse
Also is the sdcard genuine..?
Millions of fakes around..
Sent from my D5803 using XDA Free mobile app
I had same problem,first question should be where did you buy it and for how much? For example sellers from eBay are selling 128gb SD card for 15£ only but it's just rebranded 32 or 64gb cards!
Sent from my D6603 using XDA Free mobile app
Hi!
This is the Sd 128Gb I bought:
http://www.amazon.it/SanDisk-Androi...784&sr=8-1&keywords=micro+sd+128+gb+classe+10
I think that is a good one!
I saw that this kind of problem starts with Kit Kat, isn't correct?
It's very strange that I cannot copy from the device any file in the Sd card and viceversa!
Many thanks for your kind help!
It's probably not strange and yes, things changed with KitKat. But since you're still refusing to tell us what exactly you're trying to do and how, we cannot help you.
The device can read the SD card, but cannot write in it any kind of file; it's impossible to move or to copy, paste or delete any kind of file, using all file manager you can find in the google play, also trying with resco explorer for rooter user (my Z3 compact isn't rooted). I hope that this explanation can be clear enough!
It's very strange that you can use the Sd card like the older Jelly Beam system, that allow to move o copy any file from one directory to another or from the internal memory to the SD card!
Many thanks again for your kind cooperation!
Of course it's perfectly possible to copy to/from sd card on KitKat, otherwise what would be the point of even having them in KitKat devices.
But usage is more restricted than in earlier Android versions. Tell us *exactly* what you're trying to do, and we can point you in the right direction.
ghtop said:
Of course it's perfectly possible to copy to/from sd card on KitKat, otherwise what would be the point of even having them in KitKat devices.
But usage is more restricted than in earlier Android versions. Tell us *exactly* what you're trying to do, and we can point you in the right direction.
Click to expand...
Click to collapse
I think that my english is not good enough to explain what I would like to do!
I will try again: with my new Z3 compact and the SD Sandisk 128Gb I cannot copy or move a file from the internal storage of the device to the SD card and viceversa. Also, I can write the SD card, for example, to create or to rename or to delete a file or a directory in the SD card.
Is it clear?
I hope so and, once again, many thanks for your kind help!!
Have you tried the File Commander app provided by Sony? Otherwise apps can only write to their own folders.
ghtop said:
Have you tried the File Commander app provided by Sony? Otherwise apps can only write to their own folders.
Click to expand...
Click to collapse
Yes, I tried!
With the File Commander provided by Sony you can manage the SD, but you cannot use the directory which you created (that seems to be only for reading and not for writing) for example, for downloading files from app of the device (e.g. Ttorrent).
Any solution?
plvigo said:
Yes, I tried!
With the File Commander provided by Sony you can manage the SD, but you cannot use the directory which you created (that seems to be only for reading and not for writing) for example, for downloading files from app of the device (e.g. Ttorrent).
Any solution?
Click to expand...
Click to collapse
You *can* use it for writing ... with File Commander ... but as I stated, otherwise apps can only write to their own folders, e.g. SD card > Android > data > com.yourapp.something
Apps that support saving to SD card will typically have the option in their app settings, and they'll use their own app folder for that. Like Google Music or all of Sony's own apps.
You can also copy stuff to/from top level folders via USB or Wireless Media Transfer.
ghtop said:
You *can* use it for writing ... with File Commander ... but as I stated, otherwise apps can only write to their own folders, e.g. SD card > Android > data > com.yourapp.something
Apps that support saving to SD card will typically have the option in their app settings, and they'll use their own app folder for that. Like Google Music or all of Sony's own apps.
You can also copy stuff to/from top level folders via USB or Wireless Media Transfer.
Click to expand...
Click to collapse
Ok!! Many many thanks for your explanation!! Best regards!!
I can't delete photos from my SD since I started using QuickPic rather than the ultra buggy default 'Album' app thing.
Because the same policy applies to all user apps, they only have write access to their own folder for security reasons.