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My MicroSD card has 16GB space, but I've only utilized 2.2GB of it (mainly transferring images). I used gparted to format the card to FAT32 since the original formatting may not be based on Ubuntu. But this error still persists. Is FAT32 the only system that is compatible with android? (especially since my card size is small). I tried ext4 as well but android doesn't detect this system at all.

Is the formatting by gparted sufficient?

Ubuntu version: 16.04 LTS

Screenshot of commands and output from gparted: enter image description here

Error after deleting partition and reallocating the full memory: enter image description here

Output of df -h:

Filesystem      Size  Used Avail Use% Mounted on
udev            7.8G     0  7.8G   0% /dev
tmpfs           1.6G  9.6M  1.6G   1% /run
/dev/sda1       219G  207G  1.4G 100% /
tmpfs           7.8G  449M  7.4G   6% /dev/shm
tmpfs           5.0M  4.0K  5.0M   1% /run/lock
tmpfs           7.8G     0  7.8G   0% /sys/fs/cgroup
tmpfs           1.6G   36K  1.6G   1% /run/user/1000
/dev/mmcblk0p1   15G  2.2G   13G  15% /media/kwotsin/E9B6-901C

Output of sudo lsblk -f:

NAME        FSTYPE LABEL UUID                                 MOUNTPOINT
sda                                                           
├─sda1      ext4         30b6609e-ee59-4220-a065-18856c9c1047 /
└─sda5      swap         268d1b29-e948-4da7-8b0f-79e26b334743 [SWAP]
mmcblk0                                                       
└─mmcblk0p1 vfat         E9B6-901C                            /media/kwotsin/E9B

Output of sudo parted -ls:

Model: SD SD16G (sd/mmc)
Disk /dev/mmcblk0: 15.6GB
Sector size (logical/physical): 512B/512B
Partition Table: msdos
Disk Flags: 

Number  Start   End     Size    Type     File system  Flags
 1      1049kB  15.6GB  15.6GB  primary  fat32
  • which version of Ubuntu is using the MicroSD card? – Yaron Aug 10 '17 at 8:13
  • I'm currently using Ubuntu 16.04 LTS – lee kwot sin Aug 10 '17 at 8:13
  • What is the purpose of what you are trying to do? Is there any reason why don't you just format the entire MicroSD card to FAT32? – Yaron Aug 10 '17 at 8:15
  • Did you create a partition and then created the FAT32 file system in that partition? Please edit your question and post the output of the following commands, when the micro SD card is connected and the partition is mounted, df -h ; sudo lsblk -f ; sudo lsblk -m ; sudo parted -ls The output of those commands can help us help you. – sudodus Aug 10 '17 at 8:39
  • 2
    According to the screenshot, the partition seems to be 14.50 GiB, which is way more than you say is available. I still want to see the output of those commands. After seeing the output, it may be possible to give better advice. As it is now, I can only suggest that you use another tool to create the partition and file system, 'restore to a standard storage device' with mkusb according to this link, askubuntu.com/questions/939230/… – sudodus Aug 10 '17 at 9:00

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