S7 edge Sm-G935FD external memory lag after root - Samsung Galaxy S7 Edge Questions and Answers

Hi,
The Problem - The read/write of files stored in the memory card is slow and lags. when i open any image from the gallery which is stored in the memory card it takes a lot of time to open, and the thumbnails repopulate quite often when opening gallery. Even the read and write of files in the file explorer is very slow.
I am using the stock rom, just rooted the phone with twrp 3.11 and installed SU along with no verity disabler.
I was using a similar config earlier and didnt face this issue untill recently when i had to factory reset my device, updated to the latest firmware and rooted the phone, i started facing this problem since.
I have tired to factory reset the device and root again, but the problem persists even then. It is not a problem with the memory card since it was working fine earlier and i am using a class 10 speed card.
Software info -
Android version - 6.0.1
baseband - g935fxxu1apeq
kernal - 3.18.14-8252943
SE for Android status - Enforcing SEPF_SECMOBILE_6.0.1_0013
Android patch level - 1 july 2016.
Stock firmware rooted with TWRP and SU.
MEmory card - SanDisk Ultra MicroSDXC 64 GB UHS-I Class 10 Memory Card (Upto 80 MB/s Speed)
Is there anyone else facing this problem and please help me with solving this issue.
Thanks.

Try unmounting and remounting, or if that doesn't work, move all of the files to a PC and format it before moving it back.
I hope you solve your problem, though this seems to be a little bit of a peculiar case.

Related

SD Card Problems

if someone could help me with this, it would be greatly appreciated.
ever since about 3 days into flashing freshes 0.1 ROM, I have been getting unexplained SD problems. for example,
1) I would open up the camera and I would get an error mesage saying " cannot write to SD card: no sufficient privileges.
2)when i open up my music app,(I have about 10 albums of music in my music folder on my SD Card), I get a force close, or just no music would show up at all.
3) when i use a file explorer like ASTRO, I would go into a folder that I know has files in it, yet it's showing me an empty folder, or when i try to delete a file i would just get an error message.
4) and finally, when I open up my gallery, it would either get a force close, or say SD card is unmounted, or just show no pictures at all.
I updated freshes 0.2 rom thinking it may have solved the problem. but it didn't
then flashed Damage's 3.0 Rom and still same problems.
Is this software related or just my SD card going bad,( its the stock 8GB card that came with it.
It never used to be like this. just started happening about 3 days ago
I posted this in Q&A but no answers. thought posting here would help out more.
The OTA update is supposed to fix this issue for good. If you don't want to do the OTA, then just try formatting the SD card while connected to your computer.
I have been having the same exact issue with my EVO. I started on the fresh.1 then .2. I tried 2 other roms and still was having the same issue.
After a reboot it would work for a little bit then work off and on.
I downloaded the sd-formatting tool and did a full erase and format while connected to a windows box. Then reformatted again with the evo.
Same issue still.
I plan on ordering a new class 6 sd card from new egg tomorrow to see if it is just a batch of bad/faulty sd cards.
If you haven't installed the OTA update, there really isn't much fault with the device itself, seeing as how it's already been fixed.
I'm currently running:
RvU 1.3.2.
"This is based off of the latest leaked RUU that has the OTA update included (1.32.651.6)."
I thought the OTA update is built into most of the ROMs currently available or am I missing something.
If not how do you go about installing it. I have had the phone check for updates but it says that there are no update available.
Any help would be greatly appreciated. This is my first android devise so I'm a little new to this.
im running omj's 1.3 rom and i have the sdcard issue all the damn time its driving me nuts.. is the fix not in this rom or does it not matter ? it seems like any time i use a file system too to access the fs or use dropbox or anything the sdcard gets all fu**ed up and i need a reboot to fix it.
halehouse said:
I have been having the same exact issue with my EVO. I started on the fresh.1 then .2. I tried 2 other roms and still was having the same issue.
After a reboot it would work for a little bit then work off and on.
I downloaded the sd-formatting tool and did a full erase and format while connected to a windows box. Then reformatted again with the evo.
Same issue still.
I plan on ordering a new class 6 sd card from new egg tomorrow to see if it is just a batch of bad/faulty sd cards.
Click to expand...
Click to collapse
let me know if this fixes things
I just placed my order on newegg for a new class 6 sd card. So we will see in a couple days if this fixes it or if I'm just missing something.
I swapped sd cards with a friends EVO and it words perfectly in mine. I have downloaded about 150MB of podcasts to the sd card without issue. Astro manager is now able to drill down and has no issues seeing sub folders.
I will post back if I have any other issues as well as when I get my new SD to confirm that it is still working without issue.
I was having the same intermittent issue with the sd card, running the OMJ EVO 2.1 Eclair v1.3 ROM...swapped out the sd card with one from my old samsung jack and so far I have not had any issues...tried to duplicate the sd card errors just doing what i normally do but seems to be working fine now...
so its just bad SD cards being shipped out with them?
@halehouse what Gig is the SD card you ordered? Im looking for a 32gig class 6 microsd and cant find one ANYWHERE. except the scandisk website...if i wanted to pay 200 for it
kenfly said:
@halehouse what Gig is the SD card you ordered?
Click to expand...
Click to collapse
I just orders an 8Gig class 6 card.
A few days ago the second sd card that I had gotten from another EVO (that was about to be taken back to sprint) failed. Showing blank card, and several format attempts did nothing.
I dot my new class 6 sd card from new egg 2 days ago and it is working perfectly so far. Faster transfer rates also.
I think it may be an issue with the sd cards but I really not for sure.

Where did I go wrong?

So I got my hands on an ATT MA 4G. My first inclination was to crack that puppy open. Unlock boot loader and, root, and play. All happened with relative ease and success. The phone has worked great till I noticed my SD card was MIA. I went to the storage settings and ran in to a surprise.
Total Space
Unavailable
Available space
Unavailable
Mount SD Card
Insert SD card for mounting
Format SD card
Grayed out
Then in application storage
Available space
1.70GB
I tried different SD cards with no effect. Restore had no effect, full wipe and load had no effect. I have dug and dug in the forums and can't find anything close except low ram issues. Anyone else run in to this problem?
System version
4.5.141.mb860.att.end.us
Android version
2.3.6
Base and
N_01.77.37p
Web top
Wt-1.2.0-110_oly-6
Kernal
2.6.32.9
Build
4.5.141

[Q] LINK2SD Broke efs on my SM-G900H

A- I recently installed Link2SD on My rooted Galaxy S5 (SM-G900H) and everything seemed ok. The app asked me to reboot my phone, when I did my phone stuck on the SAMSUNG Logo screen and FACTORY RESET/Wipe data didn't work. I even tried emergency recovery with no luck (Error mounting efs). I fixed the efs issue and I re-installed the stock ROM and re-Rooted my device.
I didn't re-install Link2SD anymore because I'm afraid it may break my phone.
1- What is the maximum size of the ext2 partition?
2- Does it work on SM-G900H without issues?
B- Despite what they say about Kitkat and that you cannot move your apps to SD card, I have the option on my phone to move (movable apps) to SD card and that's good enough for me. I purchased a SANDISK Extreme plus 64 GB SD card (Which is formatted in exFAT by default). When I move apps to SD and reboot my phone, all the apps on SD disappear and my phone starts acting weird and apps crashes. Maybe it's because of exFAT but I'm sure the SD card is fine and not broken. That's why I wanted to try Link2SD and see it it solves the problem.
Have anyone faced theses issues? Anyone know a solution for these problems? I appreciate any help.
Bump... Me too!
bjaguar33 said:
A- I recently installed Link2SD on My rooted Galaxy S5 (SM-G900H) and everything seemed ok. The app asked me to reboot my phone, when I did my phone stuck on the SAMSUNG Logo screen and FACTORY RESET/Wipe data didn't work. I even tried emergency recovery with no luck (Error mounting efs). I fixed the efs issue and I re-installed the stock ROM and re-Rooted my device.
I didn't re-install Link2SD anymore because I'm afraid it may break my phone.
1- What is the maximum size of the ext2 partition?
2- Does it work on SM-G900H without issues?
B- Despite what they say about Kitkat and that you cannot move your apps to SD card, I have the option on my phone to move (movable apps) to SD card and that's good enough for me. I purchased a SANDISK Extreme plus 64 GB SD card (Which is formatted in exFAT by default). When I move apps to SD and reboot my phone, all the apps on SD disappear and my phone starts acting weird and apps crashes. Maybe it's because of exFAT but I'm sure the SD card is fine and not broken. That's why I wanted to try Link2SD and see it it solves the problem.
Have anyone faced theses issues? Anyone know a solution for these problems? I appreciate any help.
Click to expand...
Click to collapse
Yes, I am having a very similar problem and I also have the 64GB SanDisk Extreme and SM-G900H and rooted.
Did you ever find a resolution?
My extSD seems to come and go. The last time I uninstalled the last 2 apps and it was good for 24 hours. Put I just pulled it off the charger and it started acting up again.
I cleaned the contacts, chkdsk'd it on my PC (everything reads fine) and rebooted a few times but no luck.
This post had some good recommendations but cleaning contacts, etc. didn't help me.
I was going to try an OTA update but it seems that I need to un-root first. That's my next step -- starting over.
Try FAT32
alex_tytn said:
Yes, I am having a very similar problem and I also have the 64GB SanDisk Extreme and SM-G900H and rooted.
Did you ever find a resolution?
My extSD seems to come and go. The last time I uninstalled the last 2 apps and it was good for 24 hours. Put I just pulled it off the charger and it started acting up again.
I cleaned the contacts, chkdsk'd it on my PC (everything reads fine) and rebooted a few times but no luck.
This post had some good recommendations but cleaning contacts, etc. didn't help me.
I was going to try an OTA update but it seems that I need to un-root first. That's my next step -- starting over.
Click to expand...
Click to collapse
You SD card is formatted with exFAT? Try formatting it with FAT32. I didn't try it yet because I can't use my phone since my EFS partitions are gone and my IMEI code changed to 004999.... (Generic IMEI code).
Let me know if this solves your problem.:angel:
bjaguar33 said:
You SD card is formatted with exFAT? Try formatting it with FAT32. I didn't try it yet because I can't use my phone since my EFS partitions are gone and my IMEI code changed to 004999.... (Generic IMEI code).
Let me know if this solves your problem.:angel:
Click to expand...
Click to collapse
64GB will for sure need to be exFat -- FAT32 can't access all the space.
This is a good utility to reformat and fix it OR you can use the cmd level commands.
For me, I am able to use it intermittently now -- seems like it will work for hours, even days, then have a problem when I pull it off the charger. Of course, I woke up this morning and it wasn't working AGAIN.
I am on the phone now with Samsung tech support to see if there is a log somewhere that can give me more information about what is exactly failing. I did use this same card in 2 other Galaxy S5's (AT&T and T-Mobile versions) with no problem. Maybe I ruined the card when I had it in my wallet?
FAT32 - I was wrong.
alex_tytn said:
64GB will for sure need to be exFat -- FAT32 can't access all the space.
Click to expand...
Click to collapse
I was wrong. FAT32 CAN access all the space. I reformatted with FAT32 using the fat32format program and still have the same problems.
Furthermore, it happens with and without root -- I've reflashed a million times now.
At this point, I think that I just got a bad card reader in my unit because the card went off just by tilting the phone sideways last night (clean install, no root, no apps).
Good luck to the original poster.

[Q] Gallery & Videos Do Not Read ExtSDCard

With KitKat 4.4.4 Picture Gallery and Video Player do not read saved pictures and movies on my ExtSDCard, I would greatly appreciate it if anyone knows a solution to this issue. I have Galaxy Note 4 SM-N910C. Very best regards.
Hmmm. Might be your sd card problem. My sandisk 32gb c10 runs great after a format.
If you're SD is working in other devices maybe that your affected by Kitkat SD Card writing issues ... if you're rooted then just install this amazing app from our own Dr.Ketan
http://forum.xda-developers.com/note-4/themes-apps/extsd-writing-fix-t2906384
I had this problem, but unmounting then remounting the card solved it (it prompting a refresh for the gallery) I did find out that the problem was caused by an over zealous cache cleaner app I was using.
Try using QuikPic instead of the gallery. It's by far the best image viewer/organiser for Android.
Also don't forget that there are restrictions on writing to the SD card in Android 4.4 upwards

Disappearing microSD

Hi, I recently stumbled upon an unpleasant issue. I got xt1562 (stock 6.0.1 EU, no root, no cwm) and sandisk ultra 64gb. Sometimes (I fail to identify the source of issue) the memory card just disappears and the phone doesn't see it. Since the card is formatted as internal, i cannot take even pictures or download anything via browser. SolidExplorer doesn't see it in the list of storage as well. Restarting the phone or replugging the tray helps for an uncertain amount of time, the card becomes visible and then disappears again. I looked for obvious answers, but it is something special (not mentioned here or in google to my best knowledge).
Does anyone know how to solve the issue? I would appreciate any comments as well.
Thanks.
I had this same problem, but it solved by itself.
for this particular reason I stopped using the memory card as internal storage.
pijes said:
for this particular reason I stopped using the memory card as internal storage.
Click to expand...
Click to collapse
Seems your solutions is the easiest. Thanks
pijes said:
for this particular reason I stopped using the memory card as internal storage.
Click to expand...
Click to collapse
I'm already using sdCard as a portable storage & this issue still persists.
I have upgraded my sdcard as well from 16GB Sandisk Ultra Class-10 to 32GB Ultra UHS-1
but in couple of days sdcard disappears & after that i have to restart my phone to make my card accessible to gallery
AakashGarg said:
I'm already using sdCard as a portable storage & this issue still persists.
I have upgraded my sdcard as well from 16GB Sandisk Ultra Class-10 to 32GB Ultra UHS-1
but in couple of days sdcard disappears & after that i have to restart my phone to make my card accessible to gallery
Click to expand...
Click to collapse
I had the same disappearing issues before but since I did a slow format in Windows, the problem seems to go away. Never had any disconnect or disappearing issues again until now.
Sent from my XT1562 using XDA-Developers mobile app
I'm getting exactly the same issue. I'm using a 128gb card formatted as portable storage (exFAT ). I know when the issue starts because taking a picture with the stock camera app causes it to crash, and spotify complains about there being no access to storage. The card is being detected by other apps and Androids built in file explorer. I have to restart the device to cure the issue.
I have the same issue since updating from 6.0 stock to 6.0.1 stock.
What changed? There must be a reason for this behaviour.
Same issue here too after updating to 6.0.1 ota. Have to restart for it to fix itself. I'm beginning to think it might be linked with charging but not certain yet.
Searching the net it seems that Samsung users are on 6.0.1 are having the same issues. Google must be aware by now.
I fixed it with a different kernel.
Phoenix --> permanent dismounts
Optimus --> works
apokolok said:
I fixed it with a different kernel.
Phoenix --> permanent dismounts
Optimus --> works
Click to expand...
Click to collapse
What is the stock Kernel for 6.0.1??
_jay_uk_ said:
What is the stock Kernel for 6.0.1??
Click to expand...
Click to collapse
Well, stock ist stock.
After updating to 6.0.1 I had no dismounts with stock kernel, but I didn't use it very long.
I flashed Phoenix kernel which resulted in lots of dismounts, this was fixed by Optimus Kernel for me.
I used to be have the same problem with a Sandisk Ultra 128GB.
I need to backup all files in windows and format it to back to normal.
This problem appears every 30-40 days after formatted.
The problem was finally solved by buying a new sd card (samsung pro).
Well, I was too fast reporting it fixed.
I still get unmounts. Not that often but it ain't fixed.
Never had a single unmount with 6.0.
Actually thinking of going back as this sucks balls.
apokolok said:
Well, I was too fast reporting it fixed.
I still get unmounts. Not that often but it ain't fixed.
Never had a single unmount with 6.0.
Actually thinking of going back as this sucks balls.
Click to expand...
Click to collapse
I tried formatting my card back to exFAT. The dismounts were as much as every 10 minutes. I have now formatted the card back to FAT32, of which i had more stability, but this time I have started fresh with a completely empty card. Formatted in gparted then straight into the Moto. See how this goes.!!
Me too had similar issue after the latest ota update.
Everytime When I connect phn to PC via cable SD card disappears. SD card will not show in PC and phn. I need to restart phn to get it back. I'm using SD card as portable.
1st I formated the phn. But still the problem occurs
2nd I formated SD through PC. Result was successful. Now the card is OK not disappears while connecting to pc
This is the exact same issue I had since stock lollipop. I updated it to 6.0 since I though that this was the reason, It worked for half a day before it stopped and even on 6.1 it doesn't work.
For the record I also have Sandisk 128 gbs class 10. The only message I get is "Corrupted SanDisk SD Card”.
Some solved this problem with slow format option on PC.
Στάλθηκε από το XT1562 μου χρησιμοποιώντας Tapatalk
Still no progress in resolving the issue
SInce my last post, I have formatted the card as external. It worked fine until i filled it up to 10gb (out of 64gb). Now I have exactly the same issue. Does anyone know how to let Google, Morotola know about it? Is it covered by any guarantee? I start thinking that I am back to 2007 with first android versions

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