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Please try following to recovery
Prepare a clean USB thumb drive and format to FAT/FAT32
1. copy below files from ftp://downloads.globalscaletechnologies.com/Downloads/Espressobin/ESPRESSObin%20V7/recovery/ to USB thumb drive
– Image
– ramdisk
– armada-3720-community.dtb
– armada-3720-community-v7.dtb
– espressobin-recovery.bin

2. copy files in bootloader and rootfs floder from ftp://downloads.globalscaletechnologies.com/Downloads/Espressobin/ESPRESSObin%20V7/ to USB thumb drive
– espressobin-rootfs-v0.8-20180129-REL.tar.gz
– espressobin-bootloader-cpu-1000-*.bin
– espressobin-bootloader-cpu-1200-*.bin

3. Insert USB thumb drive to ESPRESSOBin v7. Power on ESPRESSOBin V7 then enter to u-boot console
4. Enter below command to reflash bootlaoder, bootloader image. Please select according to your DDR size
MARVELL>> bubt espressobin-bootloader-cpu-1000-ddr4-2cs-2g-atf-ga3306ab-uboot-gaee49fc-20180129-REL.bin spi usb
5. Enter below command
usb reset; fatload usb 0 $loadaddr espressobin-recovery.bin; source $loadaddr
6. Enter below commands to install rootfs to eMMC
mount /dev/sda1 /media
cd /media
./mkemmc.sh espressobin-rootfs-v1.2-20180601-REL.tar.gz
7. When done, restart system and enter into boot console
8. Enter below commands and let ysytem boot from eMMC
env default -asetenv image_name boot/Imagesetenv fdt_name boot/armada-3720-community-v7.dtb

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