[Q] ROMs on Micro SD - Shield Q&A

I just got a Micro SD card today and have formatted it as NTFS (as suggested by Nvidia's Shield User Guide). The file structure is browsable and all appears well. However, the ROMs I have loaded onto it are not working despite them working perfectly fine if they are installed onto the built in memory.
I had previously read that ROMs worked off the Micro SD and would not have purchased a 64gb card otherwise. Is this possible without rooting the device? Please, help me get this working!
****Can someone please delete this post. It was user error. I was attempting to load a ROM I had previously loaded and RetroArch was attempting to use the savestate created during that session.

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[Q] Samsung Tab 2 Apps to External SD Card

Hi all,
I've just purchased a Samsung Tab 2 7.0 P3113 due to the fact that it has an external SD Card slot. I have found that I can not move any applications to the external card. This was one of the primary reasons I purchased the device. I have been using android devices for a while and my first Sony X10, was rooted and running custom roms within the first few weeks after I purchased it. In any case, I have read a number of threads, regarding this subject for the Tab 2 but I have not been able to have an installed app be moved to the external SD Card. Most post will say you have to root the device, (which I have) and use apps such as App2SD. I have even gone as far as loading a custom ROM, but no success. My last resort is to actually partition and repackage a ROM for an external 64GB SD Card and attempt to boot off of it so I will have more space. If anyone has truly been able to move an installed app to the external SD Card could you please point me in the right direction.
I would like some help on this too. But the silence is haunting.
Found this under a compilation thread that covers the 3113's and is down further on the same page in this forum.
http://forum.xda-developers.com/showthread.php?t=1961097
I hope this helps and sorry for the re-re-re editing
AFAIK (and correct me if Im wrong veterans), is a defect of the OS not hardware. ICS and JB of the GT2's do not allow it as the internal memory is already labeled as sdcard. or that seems to be the prevailing opinion so far. I would like a work around but short of flashing a custom rom and/or kernel it seems unlikely to happen. Downside to that is some things don't work all the way in some roms. Ahh for the old days of my stock+ on my incredible. wait. Im still using it from back last summer and it works fine. TY wildstang!!
Dev
Hail Link2SD !!
Only way to move Apps to ExternalSD is using Link2SD for ICS / JB. I have done lot of research and there is no other way.However Link2SD does not move the data files and hence your internal memory will still be filled up as and when you install more apps but at slower rate.
If you want to install games like NFS-MW , Asphalt etc you have to use DirectoryBind tool to move the huge data files (More than 1.5 GB) to external card.
There is a nice tutorial how to use Link2SD here on the forum (http://forum.xda-developers.com/showthread.php?t=919326).
You can use ext4 partition as i found ext2 and ext3 were not being recognized by Link2SD. Just a pointer.
PS: ICS and above no longer support moving apps to SD card. If i am wrong experts correct me.
root is your best bet. check this link, use the script and follow the directions. this script worked wonders. my tab thinks i have 32 gb internal and 4gb sd.
http://forum.xda-developers.com/showthread.php?t=1961097

[Q] Strange automated system restore from gingerbread vimicro 7''

Hello All,
I have a tablet here that I haven't been able to fix (yet!)
It's a mid vimicro vortex vc0882, armv7, grh55 with android 2.3 November 2011 firmware (resistive 7'') 512mb ram, 4 gb sandisk class 4 internal memory.
Although since getting this one, I now have several other much faster ones to choose from, I really like this tablet with it's chunky yet smooth navigation and so far no pc, laptop, netbook or tablet has beaten me!
Some time around early December 2012 this device experienced a system crash (freeze) that left several apps and games crashing on next boot.
This had happened once before. At which time I performed a simple factory reset from settings\privacy menu and all was well. Not the case after this more recent crash!
The device is stuck with all data as of the crash date. It will install and uninstall apps cleanly within the session, it will write to the internal sd card, yet next time the machine is started, everything is back as it was. The external sd card seems fine and unaffected (moving apps to this doesn't improve the situation, as in still not writing current configuration correctly).
ADB will push basic requests incl installation of apps, but that's as far as it goes. Any clockwork mod based tools don't help. Recovery menu has been tried with every combination. Any recovery / update from zip has been rejected due to e signature error. Tried flash tools and nothing has got through. Once the machine restarts, all is back to crash date groundhog day!
The machine is rooted (has been for most of it's life) and this didn't seem to create any problems.
I have contacted the suppliers for any firmware / recovery that they have, no joy there yet.
Sorry about the long post!
As I have root access does anyone have ideas about a system file workaround / mod or a forced clockwork mod to enable update from zip that bypasses the e-signature verification?
Permissions have been checked and system cleaned on a regular basis.
This tablet is very close to the wopad one just different buttons/button locations, with power/menu/home and back buttons.
Thanks for any positive input!
Bob
Update... Anyone out there?
After removing the internal sd card and exploring the fat 32 partition via windows, I deleted a few non essential local files (one or two of them I had to change the permissions to do so). Refreshed the disk (sd card) and the files were back. So it appears that there is an error in the sd card. Based on this idea, I tried to copy the fat 32 + full linux partitions with contents from the original 4gb sandisk to a 4gb kingston card. All appeared correct via linux type explorer software on windows, but it doesn't work for the device. Attached are the details from the partitioning software and another program that questioned the partitioning setup.
Any tips on the best software for the job + which key (possibly hidden elements) need to be included?
Thanks
Bob
3rd time lucky....
In summary, is it realistic to copy an android's internal micro sd card (system) to another blank card including correct formatting of partitions and get it to operate when inserting the copied / cloned internal memory card into the device?
A while back I asked a question regarding a different tablet, which fell on deaf ears, after a bit I sorted it myself.
Considering the nature of this forum, if this one goes "unsuggested" I will be somewhat disappointed.
With a touch of faith?
Bob
bob_mac said:
Update... Anyone out there?
After removing the internal sd card and exploring the fat 32 partition via windows, I deleted a few non essential local files (one or two of them I had to change the permissions to do so). Refreshed the disk (sd card) and the files were back. So it appears that there is an error in the sd card. Based on this idea, I tried to copy the fat 32 + full linux partitions with contents from the original 4gb sandisk to a 4gb kingston card. All appeared correct via linux type explorer software on windows, but it doesn't work for the device. Attached are the details from the partitioning software and another program that questioned the partitioning setup.
Any tips on the best software for the job + which key (possibly hidden elements) need to be included?
Thanks
Bob
Click to expand...
Click to collapse

Cannot Access External MicroSD in 4.2.1

Installed Sbdags' Stock 4.2.1 ROM. Everything ran good, except it became very slow after I created another user. It was still slow even I deleted the additional user. Probably need to reflash it again.
But, when I logged in as the additional user, I was unable to access the external MicroSD card, and only saw the emulated directories. Is this the case in 4.2.1 or I missed something? I really need to access the files on the MicroSD card though.
Thanks.

[Q] Moto G External SD - cannot make r/w!!

Hi everyone,
Like many people, I am having trouble making my external SD card play nice with my Moto G. I have read extensively through the forums and applied all the fixes I could identify (more detail below); however I haven't yet been able to fix the problem.
Specifically, when I first format the card, I can read and write to it; however after a short period of time (anywhere between 24 hours and 5 minutes), the card can no longer be written to.
For example, when I first format the SD card, I am able to do a full Titanium Backup to it However, after a short period of time, I begin to get an "insufficient space" error whenever I try another backup (which indicates that the card has become unwriteable).
First, some basic details:
SD Card
32GB Class 4
Phone
Moto G 4G (xt1039 peregrine)
Firmware - Stock Kit Kat 4.4.4.
Rooted with Busybox and Xposed installed.
Custom Recovery (TWRP 2.8.3.0).
I have already tried the following fixes, none of which seems to provide a permanent solution:
the SDFix App (apologies, can't yet post links).
manually editing the platform.xml file (replicates what the SD Fix app does)
Falseclock's SD Card fix Xposed app.
Some further info:
- I have tried formatting the card both directly through the stock firmware, as well as via TWRP. When I format using TWRP (in FAT32), the write access seems to last slightly longer (although this may have been for other reasons, I'm not sure).
I'd greatly appreciate any advice anyone has on possible further solutions! I would prefer to keep using stock firmware, if possible.
Thanks,
Ben
An additional issue to the above: on my most recent attempts to format the SD card, I have found that when I reboot the phone, the SD card goes from FAT32 to RAW (meaning that the phone now thinks the card is "blank" and can no longer read it).
Is this part of the Kit Kat SD card issue, or do I have a faulty card??

Galaxy s7 rooted not able to see SD card in windows

Hi
Just recently rooted my galaxy s7 with stock rom so I could use TB to restore my apps and data.
That part all works fine however I noticed that my Samsung 64gb SD card is no longer working on my s7. The card used to be in my s4 and worked fine in there when I first popped the card into my s7 I could see all my data but during root process I think it became corrupted so I formatted the SD card inside the stock rom under storage and whilst it works fine on the phone it does not appear in windows. I have tried both my windows 7 laptop and windows 10 desktop and it only identifies the on board storage. I have Installed the latest Samsung drivers and can see that it picks it up without issue however and no point does it pick up the SD card except if I unmount it on the phone and remount it however then in windows it only appears with a size of 128mb!
I have also got the latest version of twrp installed and tried to format it within there and set it to ext4 but still not picked up in Windows. The size on the phone for the SD card is correct and I can write files to it without issue.
Has anyone else seen this weird issue before? I need to use the SD card to copy my backup files so I can point tb to the SD card so I can restore some apps.
AFAIK the card is working fine as in both phone and if I use an sdxc card adapter it reads the card without issue on the laptop and pc.
Please if anyone has seen this issue please advise? I literally tried everything I can think off without any avail
Many thanks
Sent from my SM-G930F using Tapatalk

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