SD card bugged after upgrading to marshmallow - G3 Q&A, Help & Troubleshooting

Hi, I recently upgraded to CM13 (Marshmallow) to have a look at the new features. One of those was the new SD card management. I decided to format my sd card and make it part of the internal memory but something went wrong and i ended up with a 15mb sd card (instead of it's original 16GB) that I can't reformat in any way. I downgraded back to lollipop hoping I could format the SD there and recover my lost memory space but I can't manage to do it. I tried with many root apps on play store for that purpouse but none of them worked. I think it's maybe because marshmallow encripts the sd card before formatting it but I dont know how to remove that encription.
Anyone has any idea of what can I do to solve this? Thanks.

Make a format on PC. You'll lost your data whatever, but I think it may help ? but the best way for you is to flash another rom. I think.

You have to recreate the partitions on your SD. If you have a USB adapter, you can just do it in your PC (via right click on Computer, Manage and Disk Management or fdisk in linux). If you don't have a USB adapter, you can try to recreate via TWRP (I never tested this).
Delete all partitions and create just one VFAT/NTFS/exFAT

The problem is that I dont have a usb adapter or card reader and if i plug it via phone it doesnt detect it as mass storage so i can't format from there.

Go ahead and buy a USB Card Reader they are super cheap and handy.

Related

help me ??

I'm sorry I did not know the subject opened up in the wrong place, I had installed the HTC Rom ICmix HD ace, then turned to the original rom, I put a new memory card, and SD card does not recognize and give error “remove the memory card ”, looking for a USB connection and the connection not happening when I Qualcomm Driver
My phone has fad32 single partition file system version 0.80 Hboot phone brand HTC Desire
I dont understand.. are you saying you were on RCMixHD (which requires ext partitions on your SD card to run) but you went back to an original rom with a new memory card which does not require sd ext partitions but it wont read the card.
If its a case of android not mounting hence reading the card, the easiest however most volatile way of doing it is to reformat using Panasonic SDFormatter.exe for windows. Stick the memory card in a micro SD usb dongle and run the app. This wipes the whole card and formats it in FAT32 and is the only way I've found to do it when android wont mount it.

SD card corrupted or ROM provlem

Hello,
There seams to be a provlem with my SD card. I have an imation 16GB class 10 card. I bought it from ebay (not a really chip one) and i am a bit ambigious about its reliability.
It happened me twice to connect either the phone as a USB mass storage or the card directly from a card reader to my PC and afterwards my SD cannot be recognized by the phone. Whatever i try the android does not recognize it ... and i have to repartition it.
The strange thing is that the CWM recovery recognised the corrupted FAT32 partition when this occured. I could even restore a nandroid backup which was installed without problem except from the "Empty SD slot" message ...
Also my windows recognize the FAT32 partition.
Do you think that this is a provlem of my SD (bad sectors maybe or corrupted partition tables) or a bug on the drivers of the ROM that mount the card?
Have you tried doing a slow format and run a diskcheck on it?
Also, it might be your system corrupting it if you remove it without dismounting it first.

Micro SD Card constantly needs formatting

My external card which I was hoping to use for Google music storage refuses to stay mounted . I also have to reformat several times per week to even use it. I've got two Samsung 64Gb cards and they both do the same thing. They work fine in my laptop!
bforesman said:
My external card which I was hoping to use for Google music storage refuses to stay mounted . I also have to reformat several times per week to even use it. I've got two Samsung 64Gb cards and they both do the same thing. They work fine in my laptop!
Click to expand...
Click to collapse
I had the same problem with my phone. I found the problem was that they were exFAT and not FAT32. Changing this is hard because most software doesn't reformat anything bigger than 32 GB. If you're rooted, "AParted ( Sd card Partition )" by sylkat was able to reformat the SD card and fix the problem. It changed mine to FAT32 and my LG G3 no longer needed to format it.
There are special programs for Windows Vista/7/8/8.1 that can do this as well, but I didn't do this so I cannot help you. I will tell you that'll you'll need to hook up your SD to your computer via reader, card slot, or any other way you're able to connect it. If you're not rooted do a quick google search to format it via computer.
Hope this helps!

[Solved] Root issues

Good evening.
I tried two ROMS lately : genysis 3.5 and official CM 13. Both have the following issues : titanium backup does not detect my micro sd card and root explorer detects it but absolutely can not write on it. What can I do to solve these problems ?
Best regards.
Marshmallow is finicky with SD cards. What I would do is backup the entire card to a pc/laptop, then format using the phone. If you go to settings/storage, select your SD card, click the 3 dot menu, and you'll be given the option to format. For me, using Genisys 3.5, I had the option to format as either portable or internal. I chose internal, and haven't had any problems with apps writing to it, including TiBackup.
When i touch the format button, my phone does not give me the option of formatting as internal storage. Is there another method to do that ?
Ah I forgot to tell about another issue I have. Everytime I plug my OTG USB key on my phone, I get an error message saying that the storage is corrupted and that I have to format it but when I do root explorer can not read it. This is very strange because it works pefectly with my samsung galaxy note 3. Any idea how to solve that problem ?
Are you using a good quality/known brand SD card? If the card is too slow the option to format as internal may not be present from what I understand. I'm using a SanDisk Extreme U3 card. Supposedly faster than class 10.
If you're having these problems with CM13 I can't offer much assistance. I have CM13 loaded on my LGG2 and USB-OTG doesn't work at all. If your phone is saying the card is corrupted try formatting in your computer. If that doesn't help, get yourself a new/good quality card.
I'm using a lexar 300x. Is it too slow to format it as internal storage ?
That being said, I solved 2 of my 3 issues by reinstalling genisys 3.5 but not the theme 3.2 and now root explorer can read my otg usb key and write on my sd card.
Titanium backup still can not detect my sd card but it's no big deal because I use another software to backup my apps on my sd card.
Thanks for your participation anyway.

sd card adopted storage corrupted

i was using adopted storage on R.remix marshmallow. i wanted to convert it back to usual storage i tried the usual way through settings and phone rebooted in the middle of doing that process and now the phone doesn't recognize the sd card. i tried formatting though PC and phone, changing to internal adopted storage/external back and forth. even wiped cache,data of phone via twrp. i currently only have the micro sd card with me. how can i make it like a normal sd card?
i dont have any linux to try some of the methods i found. i need a windows solution. thanks

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