[Galaxy A3, A5, A7, A8, A9 Original Android Develop] saeeds2000:
I tried but no luck :/ and this is my recovery log if u need:

__bionic_open_tzdata: couldn't find any tzdata when looking for localtime!

__bionic_open_tzdata: couldn't find any tzdata when looking for GMT!

__bionic_open_tzdata: couldn't find any tzdata when looking for posixrules!

Starting TWRP 2.8.7.0 on Mon Feb 23 07:21:48 2015

(pid 211)

RECOVERY_SDCARD_ON_DATA := true

I:Lun file '/sys/devices/platform/msm_hsusb/gadget/lun0/file'

I:TW_BRIGHTNESS_PATH := /sys/devices/virtual/lcd/panel/panel/brightness

I:Found brightness file at '/sys/devices/virtual/lcd/panel/panel/brightness'

I:TWFunc::Set_Brightness: Setting brightness control to 255

Starting the UI...Pixel format: 720x1280 @ 32bpp

Pixel format: BGR_565

Using qcomm overlay

Left Split=0

Right Split=0

Using qualcomm overlay

framebuffer: fd 4 (720 x 1280)

I:Scaling the curtain width 0.666667x and height 0.666667x

=> Linking mtab

Renaming regular /etc/recovery.fstab -> /etc/recovery.fstab.bak

Moving /etc/twrp.fstab -> /etc/recovery.fstab

=> Processing recovery.fstab

I[emoji14]rocessing '/dev/block/platform/soc.0/7824900.sdhci/by-name'

E:Unknown File System: ''

I[emoji14]rocessing '/recovery'

I[emoji14]rocessing '/boot'

I[emoji14]rocessing '/system'

I[emoji14]rocessing '/cache'

I[emoji14]rocessing '/persist'

I:Created '/persist' folder.

I[emoji14]rocessing '/data'

I:Setting up '/data' as data/media emulated storage.

I:Created '/emmc' folder.

I:mount -o bind '/data/media' '/emmc' process ended with RC=0

I:mount -o bind '/data/media/0' '/emmc' process ended with RC=0

I[emoji14]rocessing '/external_sd'

I:Created '/external_sd' folder.

I:Backup folder set to '/data/media/0/TWRP/BACKUPS/0e80da79'

I:Settings storage is '/data/media/0'

Updating partition details...

I:Data backup size is 4560MB, free: 500MB.

...done

I:Unmounting main partitions...

Partition Logs:

/recovery | /dev/block/mmcblk0p17 | Size: 15MB

Flags: IsPresent Can_Flash_Img

Primary_Block_Device: /dev/block/mmcblk0p17

Display_Name: Recovery

Storage_Name: recovery

Backup_Path: /recovery

Backup_Name: recovery

Backup_Display_Name: Recovery

Storage_Path: /recovery

Current_File_System: emmc

Fstab_File_System: emmc

Backup_Method: dd

/boot | /dev/block/mmcblk0p16 | Size: 13MB

Flags: Can_Be_Backed_Up IsPresent Can_Flash_Img

Primary_Block_Device: /dev/block/mmcblk0p16

Display_Name: Boot

Storage_Name: boot

Backup_Path: /boot

Backup_Name: boot

Backup_Display_Name: Boot

Storage_Path: /boot

Current_File_System: emmc

Fstab_File_System: emmc

Backup_Method: dd

/system | /dev/block/mmcblk0p24 | Size: 2227MB Used: 1783MB Free: 444MB Backup Size: 1783MB

Flags: Can_Be_Mounted Can_Be_Wiped Can_Be_Backed_Up Wipe_Available_in_GUI IsPresent

Primary_Block_Device: /dev/block/mmcblk0p24

Display_Name: System

Storage_Name: System

Backup_Path: /system

Backup_Name: system

Backup_Display_Name: System

Storage_Path: /system

Current_File_System: ext4

Fstab_File_System: ext4

Backup_Method: files

/cache | /dev/block/mmcblk0p25 | Size: 290MB Used: 0MB Free: 290MB Backup Size: 0MB

Flags: Can_Be_Mounted Can_Be_Wiped Can_Be_Backed_Up Wipe_During_Factory_Reset Wipe_Available_in_GUI IsPresent

Primary_Block_Device: /dev/block/mmcblk0p25

Display_Name: Cache

Storage_Name: Cache

Backup_Path: /cache

Backup_Name: cache

Backup_Display_Name: Cache

Storage_Path: /cache

Current_File_System: ext4

Fstab_File_System: ext4

Backup_Method: files

/persist | /dev/block/mmcblk0p22 | Size: 3MB Used: 0MB Free: 3MB Backup Size: 0MB

Flags: Can_Be_Mounted Can_Be_Wiped IsPresent

Primary_Block_Device: /dev/block/mmcblk0p22

Display_Name: persist

Storage_Name: persist

Backup_Path: /persist

Backup_Name: persist

Backup_Display_Name: persist

Storage_Path: /persist

Current_File_System: ext4

Fstab_File_System: ext4

Backup_Method: files

/data | /dev/block/mmcblk0p27 | Size: 11959MB Used: 4560MB Free: 500MB Backup Size: 4560MB

Flags: Can_Be_Mounted Can_Be_Wiped Can_Be_Backed_Up Wipe_During_Factory_Reset Wipe_Available_in_GUI IsPresent Has_Data_Media Can_Encrypt_Backup Use_Userdata_Encryption Is_Storage Is_Settings_Storage

Symlink_Path: /data/media/0

Symlink_Mount_Point: /emmc

Primary_Block_Device: /dev/block/mmcblk0p27

Display_Name: Data

Storage_Name: Internal Storage

Backup_Path: /data

Backup_Name: data

Backup_Display_Name: Data

Storage_Path: /data/media/0

Current_File_System: ext4

Fstab_File_System: ext4

Backup_Method: files

MTP_Storage_ID: 65537

/external_sd | /dev/block/mmcblk1p1 | Size: 7577MB Used: 7352MB Free: 224MB Backup Size: 7352MB

Flags: Can_Be_Mounted Can_Be_Wiped Wipe_Available_in_GUI Removable IsPresent Is_Storage

Primary_Block_Device: /dev/block/mmcblk1p1

Display_Name: MICRO SD

Storage_Name: MICRO SD

Backup_Path: /external_sd

Backup_Name: external_sd

Backup_Display_Name: MICRO SD

Storage_Path: /external_sd

Current_File_System: vfat

Fstab_File_System: vfat

Backup_Method: files

MTP_Storage_ID: 65538

I:Loading package: TWRP (/script/ui.xml)

I:Load XML directly

I:Loading package: TWRP (/data/media/0/TWRP/theme/ui.zip)

I:Loading zip theme

I:Loading package: TWRP (/twres/ui.xml)

I:Load XML directly

I:Checking resolution...

I:Scaling theme width 0.666667x and height 0.666667x, offsets x: 0 y: 0

I:Loading resources...

open_png /twres/images/twrplogo.png

open_png /twres/images/menu-button.png

open_png /twres/images/file.png

open_png /twres/images/folder.png

open_png /twres/images/slideout.png

open_png /twres/images/indeterminate001.png

open_png /twres/images/indeterminate002.png

open_png /twres/images/indeterminate003.png

open_png /twres/images/indeterminate004.png

open_png /twres/images/indeterminate005.png

open_png /twres/images/indeterminate006.png

open_png /twres/images/indeterminate007.png

open_png /twres/images/progress_empty.png

open_png /twres/images/progress_fill.png

open_png /twres/images/checkbox_empty.png

open_png /twres/images/checkbox_checked.png

open_png /twres/images/radio_empty.png

open_png /twres/images/radio_selected.png

open_png /twres/images/medium-button.png

open_png /twres/images/sort-button.png

open_png /twres/images/minus-button.png

open_png /twres/images/plus-button.png

open_png /twres/images/home-icon.png

open_png /twres/images/back-icon.png

open_png /twres/images/slider.png

open_png /twres/images/slider-used.png

open_png /twres/images/slider-touch.png

open_png /twres/images/unlock.png

open_png /twres/images/keyboard1.png

open_png /twres/images/keyboard2.png

open_png /twres/images/keyboard3.png

open_png /twres/images/keyboard4.png

open_png /twres/images/cursor.png

I:Loading variables...

I:Loading mouse cursor...

I:Loading pages...

I[emoji14]ageSet::CheckInclude loading filename: '/twres/portrait.xml'

I:Loading included resources...

I:Loading included variables...

I:Loading mouse cursor...

I:Loading included pages...

I:Loading page main

I:Loading page main2

I:Loading page install

I:Loading page flash_confirm

I:Loading page flash_zip

I:Loading page flash_done

I:Loading page install_image

I:Loading page flashimage_confirm

I:Loading page clear_vars

I:Loading page confirm_action

I:Loading page action_page

I:Loading page singleaction_page

I:Loading page action_complete

I:Loading page filecheck

I:Loading page rebootcheck

I:Loading page wipe

I:Loading page advancedwipe

I:Loading page formatdata

I:Loading page formatdata_confirm

I:Loading page checkpartitionlist

I:Loading page partitionoptions

I:Loading page refreshfilesystem

I:Loading page selectfilesystem

I:Loading page backup

I:Loading page backupname1

I:Loading page backupname2

I:Loading page backupencryption

I:Loading page backupencryption2

I:Loading page checkbackuppassword

I:Loading page backup_run

I:Loading page restore

I:Unable to open '/data/media/0/TWRP/BACKUPS/0e80da79'

I:Loading page restore_read

I:Loading page restore_decrypt

I:Loading page try_restore_decrypt

I:Loading page restore_select

I:Loading page renamebackup

I:Loading page restore_run

I:Loading page selectstorage

I:Loading page mount

I:Loading page usb_mount

I:Loading page usb_umount

I:Loading page system_readonly_check

I:Loading page reboot

I:Loading page settings

I:Loading page timezone

I:Loading page screen

I:Loading page Vibrate

I:Loading page advanced

I:Loading page partsdcard

I:Loading page htcdumlock

I:Loading page lock

I:Loading page filemanagerlist

I:Loading page filemanageroptions

I:Loading page choosedestinationfolder

I:Loading page filemanagerrenamefile

I:Loading page filemanagerrenamefolder

I:Loading page filemanagerchmod

I:Loading page filemanagerconfirm

I:Loading page filemanageracction

I:Loading page decrypt

I:Loading page decrypt_pattern

I:Loading page trydecrypt

I:Loading page terminalfolder

I:Loading page terminalcommand

I:Loading page sideload

I:Loading page fixperms

I:Loading page installsu

I:Loading page system_readonly

I:Set page: 'clear_vars'

I:Set page: 'main2'

I:Switching packages (TWRP)

SELinux contexts loaded from /file_contexts

Full SELinux support is present.

I:Not using /misc, not defined in fstab.

I:Not using /misc, not defined in fstab.

Startup Commands:

ro.sf.lcd_density=240

ro.adb.secure=0

ro.boot.emmc=true

ro.boot.sec_atd.tty=/dev/ttyHSL0

ro.boot.selinux=permissive

ro.boot.baseband=msm

ro.boot.hardware=qcom

ro.boot.serialno=0e80da79

ro.boot.bootdevice=7824900.sdhci

ro.boot.bootloader=A500HXXU1BOHE

ro.boot.debug_level=0x4f4c

ro.boot.warranty_bit=1

ro.boot.boot_recovery=1

ro.boot.security_mode=1526595584

ro.boot.cp_debug_level=0x55FF

ro.emmc=0

ro.twrp.boot=1

ro.twrp.version=2.8.7.0

ro.allow.mock.location=0

ro.dalvik.vm.native.bridge=0

ro.secure=0

ro.zygote=zygote32

ro.product.device=a5

ro.baseband=msm

ro.bootmode=unknown

ro.hardware=qcom

ro.revision=10

ro.serialno=0e80da79

ro.bootloader=A500HXXU1BOHE

ro.debuggable=1

ro.factorytest=0

init.svc.adbd=running

init.svc.healthd=running

init.svc.ueventd=running

init.svc.recovery=running

twrp.crash_counter=0

dalvik.vm.dex2oat-Xms=64m

dalvik.vm.dex2oat-Xmx=512m

dalvik.vm.image-dex2oat-Xms=64m

dalvik.vm.image-dex2oat-Xmx=64m

camera2.portability.force_api=1

persist.sys.usb.config=mtp

persist.radio.add_power_save=1

persist.security.ams.enforcing=0

I:Copying file /cache/recovery/log to /cache/recovery/last_log

tw_get_context got selinux context: u:object_r:media_rw_data_file:s0

I:Got default contexts and file mode for storage files.

I:Attempt to load settings from settings file...

I:Loading settings from '/data/media/0/TWRP/.twrps'.

I:Backup folder set to '/data/media/0/TWRP/BACKUPS/0e80da79'

I:Copying file /etc/recovery.fstab to /cache/recovery/recovery.fstab

I:Version number saved to '/cache/recovery/.version'

__bionic_open_tzdata: couldn't find any tzdata when looking for CST6CDT,M3.2.0,M11.1.0!

__bionic_open_tzdata: couldn't find any tzdata when looking for posixrules!

I:TWFunc::Set_Brightness: Setting brightness control to 255

I:Enabling MTP during startup

I:Starting MTP

I:Get_Max_FileSize::maxFileSize: 17592186044416

I:sending message to add 65537 '/data/media/0' 'Internal Storage'

Starting MTP

I:Message sent, add storage ID: 65537

I:Get_Max_FileSize::maxFileSize: 4294967296

I:sending message to add 65538 '/external_sd' 'MICRO SD'

I:Message sent, add storage ID: 65538

MTP Enabled

I:Switching packages (TWRP)

I:Set page: 'install'

E:could not open MTP driver, errno: 2

I:Set page: 'flash_confirm'

I:Set page: 'flash_zip'

I:operation_start: 'Flashing'

Installing '/emmc/Download/CM-12.1-20151004-UNOFFICIAL-a53gxx/CM-12.1-20151004-UNOFFICIAL-a53gxx.zip'...

Checking for MD5 file...

Skipping MD5 check: no MD5 file found

I:Zip contains SELinux file_contexts file in its root. Extracting to /file_contexts

I:Legacy property environment initialized.

minzip: Extracted 3 file(s)

******************************************

* CM12.1 Temasek ROM for Galaxy A5 by mygalaxya

******************************************

* Preparing system files...

* Loading files complete.

******************************************

* Checking your device...

* Device Detected: SM-A500FU (a5ultexx)

******************************************

{*} Running backup scripts...

could not detect filesystem for /dev/block/bootdevice/by-name/system, assuming ext4

mount: failed to mount /dev/block/bootdevice/by-name/system at /system: No such file or directory

about to run program [/tmp/install/bin/backuptool.sh]