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[Q] sd card problem

sorry for my bad english
i have problem whit micro sd slot i try three different micro sd
(philips 8g class4,sandisc 16g class 10 ,and 4g)
sd card is blank or has unsupported filesystem
what can i do?
please guide me
thank you

compatible SD cards?

hi all, I got HTC 8s with WP8.1 update and when I insert SD card it says SA Card: attention required, then "SD must be formatted" if I press format it says could not format SD card, please use another one. I tried 2 SD cards (2 GB and 8 GB)
thanks for help

today I tried 64 GB Samsung MicroSD class 10 and same problem, when card is formatted to extFAT it says Not found, when I format it to NTFS it says following: (see screenshots)

441Excelsior said:
today I tried 64 GB Samsung MicroSD class 10 and same problem, when card is formatted to extFAT it says Not found, when I format it to NTFS it says following: (see screenshots)
Click to expand...
Click to collapse
If you have a pc or laptop try to format in fat 32 has work for me

that 64 GB can be formatted only NTFS or exFAT, today I'm going to buy SanDisk 16 GB class 10 and test it

I purchased 16 GB Sandisk Ultra class 10 and after factory reset card is finally recognized, problem solved

Impossible to merge the sd card into my internal memory of HTC M8s

Hi all,
I try to merge the memory of the micro sd card into my internal memory (with the behaviour of android 6.0) .
So I bought a micro sd UHS class 3 , class 10 ( means the best with 80MB write, and 60 MB read).
Unfortunately when I try with this micro sd the system of HTC after the scan my sd card saif that the card is too slow.....
Is there a solution ? Because I have a very quick micro sd card ... a Bug from HTC ?
Thanks

Ok, so finally it works with a samsung EVO 32Go class 10 U1 ..... Very strange because my first micro sd was better

SD Card Disappeared

I have a 128 gb Sandisk Extreme micro sd card which I used for nearly 3 months. Yesterday it stopped working all of a sudden and neither my HTC 10 nor my PC recognizes the sd card anymore. I cannot see what's inside the card and cannot format it.
Is there a way to recover the sd card?

Any help would be appreciated

sandisk ultra 32 gb micro sd card issue

hi all,
i have 32 gb sandisk microsd card class 10. when i write data on card, after about 20-25gb later something happens and card creates uuuuuu.uuuuuu files in uuuuu.uuuuuu files. it goes infinite. anyone know about this issue and how to fix it?