Microsd card write protected-Facebook is a suspect

[archz2]

My phone is rooted. I am using Lenovo A7000 phone with AOSP 6.0 by Risma Ermaya.


I have formatted my SD card as internal storage using the default feature of marshmallow.

Few months back, I started facing the issue of Facebook and Messenger updates. Whenever I used to update my facebook or messenger from the playstore, these apps stopped opening and used to crash. But after I used to restart my phone, these applications ran fine. A week ago, I installed instgram for the first time in this phone. Similar thing happened with it too. After installation from Google Play store, it did not open. However, after restarting the phone, everything went well.


Yesterday, I was updating facebook, I got the error 403. I cleared up data of my playstore app after forced stopping it, removed all my google accounts from the phone, and rebooted the device. After rebooting, the error was still showing up in the playstore. Feeling frustrated, I forced stopped Google Play services framework application, cleared it data and rebooted my phone. But, the problem was still there.


I have got into deeper trouble now. My microSD card has become write protected. I did not remove my SD card at all since months. It is of sandisk brand and has class 10.


I cannot take screenshots. I cannot download any file from chrome browser. I cannot download images sent to me by my friends through whatsapp.


I cannot even copy one file in its folder to another folder in the memory card. I have tried using the default file explorer and Solid Explorer application. I have just 587 MB remaining in my phone. However, I can access any file I want to. My videos and music are playing just fine.


I am also able to delete any files within the file explorer, so that I can make a nandroid backup of my files in TWRP. Even TWRP does not allow me to delete my music and videos within the SD card. What should I do to fix this trouble? I do not want to format my SD card as it has lot of important data. Even if I connect my phone to my PC and try to copy the files, the process hangs after few seconds and Windows explorer hangs which is displaying the content in my SD card. I am running windows 8.1.


I have also tried unmounting and remounting my sd card using the in built feature of Marshmallow, but this trick still doesn't solve my trouble.

I have also tried clearing cache and dalvic from TWRP but still no progress. I feel that facebook is the culprit because while clearing cache in TWRP, it gives the error that it could not clear cache from com.facebook.katana folder.

 

[mikedt]

It could be your micro-SD has failed. Going read only is a failure mode they can sometimes do.

Have you tried it directly with a PC, via a card reader or internal slot, see if a computer can write to it or even reformat it. And if it can't, you'll have to replace the micro-SD.

The other errors before, could have been a sign that the micro-SD was beginning to fail.


Get your valuable data off it NOW!!..and backup!

 

[archz2]

It could be your micro-SD has failed. Going read only is a failure mode they can sometimes do.

Have you tried it directly with a PC, via a card reader or internal slot, see if a computer can write to it or even reformat it. And if it can't, you'll have to replace the micro-SD.

The other errors before, could have been a sign that the micro-SD was beginning to fail.

Since my card is formatted as internal, I cannot use it like a normal sd card in external memory card readers or slots in laptops. It has an exfat file system and not FAT32. I bought this sandisk card in July from an authorized dealer. I'm 100% sure that it's an original sandisk card.

 

[mikedt]

Since my card is formatted as internal, I cannot use it like a normal sd card in external memory card readers or slots in laptops. I bought this sandisk card in July from an authorized dealer. I'm 100% sure that it's an original sandisk card.

Well it still could have failed. SDs can and do fail, and sometimes without warning. If you bought it in July, it will be under warranty. Only real way to be sure it is the SD, is trying it in computer or another device.

So I do strongly suggest, that you backup your data now. If it fails completely, you'll have lost everything.

 

[archz2]

Well it still could have failed. SDs can and do fail, and sometimes without warning. If you bought it in July, it will be under warranty. Only real way to be sure it is the SD, is trying it in computer or another device.

So I do strongly suggest, that you backup your data now. If it fails completely, you'll have lost everything.

I just edited my post. My card has exfat file system, so it can't be read like ordinary cards using card readers in PC.

 

[archz2]

Well it still could have failed. SDs can and do fail, and sometimes without warning. If you bought it in July, it will be under warranty. Only real way to be sure it is the SD, is trying it in computer or another device.

So I do strongly suggest, that you backup your data now. If it fails completely, you'll have lost everything.

I want to have backup of my card. Going to sandisk center is a trouble. Any way I can backup my card at home?

 

[mikedt]

You said the SD is exFAT formatted? Windows should be able to read that, Microsoft invented exFAT. Do you have a card reader on your PC?

FYI I have a exFAT formatted 64GB micro-SD in my Windows 10 tablet, which I use all the time. You were using the micro-SD as internal storage in your phone, rather than the more usual external storage, it could have indeed been FB or other apps caused it to fail prematurely with excessive writes. I do think the earlier errors you were getting were caused by a storage problem, before it failed and went read only. Writing to SD is a destructive process and can and does literally wear them out, and can only be done an x number of times. Although it's the same with any flash storage devices.

 

[archz2]

You said the SD the exFAT formatted? Windows should be able to read that, Microsoft invented exFAT. Do you have a card reader on your PC?

FYI I have a exFAT formatted 64GB micro-SD in my Windows 10 tablet, which I use all the time. You were using the micro-SD as internal storage in your phone, it could have indeed been FB or other apps caused it to fail prematurely with excessive writes. Writing to SD is a destructive process and can and does literally wear them out, and can only be done an x number of times. Although it's the same with any flash storage devices.

I don't have card reader on my PC.

 

[mikedt]

OK, beg, steal or borrow one then. USB card readers are not exactly expensive items and are widely available in most places. What version of Windows you got, I don't think XP can read exFAT unless you got SP3, or are you using Linux?

 

[archz2]

OK, beg, steal or borrow one then. USB card readers are not exactly expensive items and are widely available in most places. What version of Windows you got, I don't think XP can read exFAT unless you got SP3, or are you using Linux?

I'm using windows 8.1 - 64 bit

 

[archz2]

You said the SD is exFAT formatted? Windows should be able to read that, Microsoft invented exFAT. Do you have a card reader on your PC?

FYI I have a exFAT formatted 64GB micro-SD in my Windows 10 tablet, which I use all the time. You were using the micro-SD as internal storage in your phone, rather than the more usual external storage, it could have indeed been FB or other apps caused it to fail prematurely with excessive writes. I do think the earlier errors you were getting were caused by a storage problem, before it failed and went read only. Writing to SD is a destructive process and can and does literally wear them out, and can only be done an x number of times. Although it's the same with any flash storage devices.

Sorry for giving wrong information. Actually my card is formatted as exT2, 3 or 4. I don't remember exactly. It is the native file system by which marshmallow formats when I choose the option "format as internal". Therefore, it will not be read by windows PC via card reader. I tried my neighbor's memory card reader in my PC, and it shows up as unrecognized file system in windows. It then asks me to format the card and I quit. What should I do now?