S-off, On 5.11.0, magisk 13.3. Noticed my sd card dismounting a lot to where now it won't mount at all.
Factory reset. Nothing. In twrp i can see it and all my files but when booted to rom and i connect via usb cable i cannot see on my pc. In twrp if I connect usb i can see but its extremely slow to copy files and i cant have phone offline for 12 hours to copy card to pc
Taking card out and puttibg in sd card reader nothing was shows, card not seen.
I noticed a few months ago encryption popped up when booting though i never actually enabled it
Any ideas besides formatting card and losing my files ? Thanks
Oh and this is the SanDisk 200gb card some of us got when buying phone. Out of warranty now of course
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I tried to format my sd cards tonight via computer format option. However my computer shut down in the middle of the process and now I can't see my sd cards anymore. I can't mount it at all. When I go into the recovery to wipe it, twrp says failed.
Does this mean it's completely dead?
solved it.
googled and found this thread http://forum.xda-developers.com/showthread.php?t=1806059 for my internal sd card
and for my external, i used a card reader, plugged to pc, and reformat it.
also checked both cards for errors.
whew. i am never gonna reformat my cards again. ever.
Ok. Here is the scenario. Was on stock rooted LCJ. SD card working perfectly there. I flash to MIUI after doing a totally clean wipe and I'm able to access the SD card via the rom and PC when I sync. I go into recovery and do a full wipe and then flash CM10 with gapps. CM10 loads up okay but i notice that i have a notification that the SD card is broken and I should try formatting it. I attempt to sync the phone to the pc via USB cable but only the internal storage will mount.
I go into recovery and confirm that TWRP can still see the contents of the SD card. Having confirmed that TWRP can see the SD card I do another full wipe and then restore my stock rooted LJC. However, after restoring LJC the SD card issue persist. The phone does an error check but it doesn't fix the issue. It recommends that I format the SD card which I don't want to do and don't know if it will work. I attempt to sync the phone to the PC with the USB cable (which has always worked) but only internal will mount. Go into recovery and the SD card's contents are still showing up.
Also, I have a Kingston Media reader which I pop the SD card into and connect to the PC. Even using this media reader the SD card is still not being seen and the PC says the card should be formatted. Basically the only damn thing that recognizes stuff on the SD card is TWRP.
Anyone have any good advice on this topic? BTW...I have a class 10 64GB sd card. As mentioned above I never ever had a problem with this thing. Have always mounted it to the PC w/o a problem and has always appeared on every rom I have ever tried until trying CM10 today.
41 views and not one person has any input? guess i'm going to have to format the card and hope that works. really sucks balls. wish i at least knew for sure what caused this problem.
had the exact same issue. I had just purchased a sandisk 64 gig the week before and when it happened I had a hard time believing it was the card that went bad. I had no luck recovering anything off of the card but did format it and it has worked fine since.
JAREDR said:
had the exact same issue. I had just purchased a sandisk 64 gig the week before and when it happened I had a hard time believing it was the card that went bad. I had no luck recovering anything off of the card but did format it and it has worked fine since.
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its not the card...............its the formatting of the card. it has to be formatted fat32 for it to be recognized in cm10. stock format is exFAT
I had the same issue with my SanDisk 64 GB drive. I went back to Synergy and the card is recognized in that ROM. I can't get CWM or TWRP to recognize the card though. I get an error whenever I try to access the card from recovery. It sucks that I have to put anything I want to flash on internal memory
I'm having some strange issues with my S3 and micro SD cards. I noticed any attempt to access one of the folders will force crash any app that tries.
Then I did a nandroid backup from TWRP recovery and when I rebooted the phone, it claimed that the card was empty or damaged.
So I connected the card to my computer to backup everything that was there. Windows did say it needed to be scanned for errors but it didn't find any errors. It was formatted as exFat so I could put larger than 4 GB files on it.
When I put it back in my S3 it wasn't detected at all. No error messages, it was just as if I hadn't put any card in. Under Storage settings, under mount external SD card it just says to insert a card.
What I've found since then is in order to get the S3 to recognize that there is a card I need to do a full format (either FAT32 or exFAT) on my computer. If I do a quick format, it still won't be recognized. I need to do a full format.
But then, if I unmount and connect to my computer, then eject from my computer and put it back in my S3 it isn't detected again and I have to do a full format again.
I thought maybe the card had become defective, but I'm seeing the exact same behaviour now with a different card. The first one I was using was a class 10 32 GB lexar card. The second one is a class 10 16 GB Adata card. Both do the same thing. After a full format on my computer, they are detected on the phone but after unmounting, mounting on my computer, not doing anything except ejecting it, they stop being detected by the S3.
I've even tried re-formatting the card in the phone but that doesn't change anything.
Anyone know what's going on here? Is the phone defective? I don't want to send the phone in for warranty repair except as a last resort as I suspect that would mean several weeks without a phone.
Thanks!
Hi,
so, the other day my G3 was often shutting down the screen on my RR 7.1.1. so I decided to flash an update. Wiped everything excl. external_sd slot. I selected the flashing zips and ran the flash. It blinked super quickly and then it restarted (no flashing). Now TWRP didn't recognize the sd card. In selecting storage (Internal Storage, Micro SDCard, USB OTG), Micro SdCard showed 0MB and refused to be clicked (only vibrated). Same behaviour was shown in the Mount menu (couldn't even click the SD card). There were always sdcard and external_sd card for actual card folders, so I think that was normal. The card was 128 Samsung Evo card, so I thought that it was maybe the formatting issue (though I never had this behaviour before) I formatted it to FAT32 (was exFAT), and inserted the flashing zips via usb cable. Then weird things started to happen. Sometimes Android saw the card (for like maybe a few seconds), tried to scan it for corruptions, gave me option to select is as external storage device, and... the device basically disppeared. It works on other devices, and it gives the same effect no matter what card I put into G3. I don't think it's a hardware issue (as said, it works from time to time - it even gave me once an option to format it after saying it was corrupted and then I was able to see the files), but I don't know how to fix it from TWRP and OS standpoint.
Any ideas what can I do to make my LG read consistently external sd cards again?
When unlocking the bootloader, is there a way to correctly format the SD card on a pc without a second android device?
My issue is that I no longer have access to the tablet that I used initially to format the SD card after unlocking the bootloader. So I cannot use the card in my phone without getting stuck in a bootloop
Try USB live-Ubuntu or Linux Live usb.
I pop the little card into a SD adapter and use my PC. I then format it using SD Formatter. https://www.sdcard.org/downloads/formatter_4/
It works like a charm and fixes the size problems as well after the bootloader backup. I've used it dozens of times and it never fails.