[Android Software Development] Geli1976:
Can you import everything again via UART? because it only takes the commands from the menu that are in Help.

and here is LOADB : loadb - load binary file over serial line (kermit mode)

aml_sysrecovery- Burning with amlogic format package from partition sysrecovery

amlmmc - AMLMMC sub system

autoscr - run script from memory

base - print or set address offset

bmp - manipulate BMP image data

booti - boot arm64 Linux Image image from memory

bootm - boot application image from memory

bootp - boot image via network using BOOTP/TFTP protocol

cbusreg - cbus register read/write

clkmsr - measure PLL clock

cmp - memory compare

cp - memory copy

crc32 - checksum calculation

d2pll - DDR set PLL function

dcache - enable or disable data cache

ddr_sram_tune- DDR sram tune dqs

ddrtest - DDR test function

defenv_reserv- reserve some specified envs after defaulting env

dhcp - boot image via network using DHCP/TFTP protocol

echo - echo args to console

efuse - efuse read/write data commands

efuse_user- efuse user space read write ops

emmc - EMMC sub system

env - environment handling commands

exit - exit script

ext4load- load binary file from a Ext4 filesystem

ext4ls - list files in a directory (default /)

ext4size- determine a file's size

false - do nothing, unsuccessfully

fatinfo - print information about filesystem

fatload - load binary file from a dos filesystem

fatls - list files in a directory (default /)

fatsize - determine a file's size

fdt - flattened device tree utility commands

forceupdate- forceupdate

get_rebootmode- get reboot mode

go - start application at address 'addr'

gpio - query and control gpio pins

hardware_version_init- Init hardware version from GPIO pin configuration

help - print command description/usage

i2c - I2C sub-system

icache - enable or disable instruction cache

imgread - Read the image from internal flash with actual size

init_proj- Init projector

irdetect- Detect IR Key to start recovery system

irkey - irkey key_value1 key_value2 time_value

itest - return true/false on integer compare

jtagoff - disable jtag

jtagon - enable jtag

keyman - Unify key ops interfaces based dts cfg

keyunify- key unify sub-system

lcd - lcd sub-system

led - [0|all] [on|off|toggle]

loadb - load binary file over serial line (kermit mode)

loadx - load binary file over serial line (xmodem mode)

loady - load binary file over serial line (ymodem mode)

loop - infinite loop on address range

macreg - ethernet mac register read/write/dump

md - memory display

mm - memory modify (auto-incrementing address)

mmc - MMC sub system

mmcinfo - display MMC info

monitor_bt_cmdline- monitor_bt_cmdline

mw - memory write (fill)

mwm - mw mask function

nm - memory modify (constant address)

open_scp_log- print SCP messgage

osd - osd sub-system

panel_detect- Detect panel type from GPIO pin configuration

phyreg - ethernet phy register read/write/dump

ping - send ICMP ECHO_REQUEST to network host

printenv- print environment variables

rarpboot- boot image via network using RARP/TFTP protocol

read_temp- cpu temp-system

reboot - set reboot mode and reboot system

reset - Perform RESET of the CPU

run - run commands in an environment variable

saradc - saradc sub-system

saveenv - save environment variables to persistent storage

sdc_burn- Burning with amlogic format package in sdmmc

sdc_update- Burning a partition with image file in sdmmc card

set_trim_base- cpu temp-system

set_usb_boot- set usb boot mode

setenv - set environment variables

sf - SPI flash sub-system

showvar - print local hushshell variables

silent - silent

sleep - delay execution for some time

store - STORE sub-system

systemoff- system off

temp_triming- cpu temp-system

test - minimal test like /bin/sh

tftpboot- boot image via network using TFTP protocol

true - do nothing, successfully

unpackimg- un pack logo image into pictures

update - Enter v2 usbburning mode

usb - USB sub-system

usb_burn- Burning with amlogic format package in usb

usb_update- Burning a partition with image file in usb host

usbboot - boot from USB device

version - print monitor, compiler and linker version

vout - VOUT sub-system

vpu - vpu sub-system

wipeisb - wipeisb

write_trim- cpu temp-system

write_version- cpu temp-system