axg_s420_v1_gva#printenv
    EnableSelinux=enforcing
    active_slot=normal
    adb_setting=if itest ${factory_mode} == 1; then run clr_adb_debuggable;else run set_adb_debuggable;fi;
    baudrate=115200
    bcb_cmd=get_valid_slot;
    boot_part=boot
    bootargs=rootfstype=ramfs init=/init ramoops.pstore_en=1 ramoops.record_size=0x8000 ramoops.console_size=0x4000 mtdblock.ro_fspart=system mtdblock.ro_fspart_2nd=chrome loglevel=0 quiet logo0
    bootcmd=run storeboot
    bootdelay=1
    bootloader_version=U-Boot 2015.01-gfe79c6daed-dirty
    clr_adb_debuggable=echo disable adb debug prop;setenv bootargs ${bootargs} android.debuggable=0 android.secure=1;setenv bootargs ${bootargs} console=ttyS9,115200 no_console_suspend;
    cmdline_keys=if keyman init 0x1234; then if keyman read deviceid ${loadaddr} str; then setenv bootargs ${bootargs} androidboot.serialno=${deviceid};setenv serial ${deviceid};else setenv boo;
    country=WW
    deviceid=29432/A0SFxxxx
    dtb_mem_addr=0x1000000
    factory_mode=0
    factory_reset_poweroff_protect=echo wipe_data=${wipe_data}; echo wipe_cache=${wipe_cache};if test ${wipe_data} = failed; then run storeargs;if mmcinfo; then run recovery_from_sdcard;fi;if u
    fdt_high=0x20000000
    firstboot=1
    identifyWaitTime=750
    initargs=rootfstype=ramfs init=/init ramoops.pstore_en=1 ramoops.record_size=0x8000 ramoops.console_size=0x4000 mtdblock.ro_fspart="system" mtdblock.ro_fspart_2nd="chrome" loglevel=0 quiet
    irremote_update=if irkey 2500000 0xe31cfb04 0xb748fb04; then echo read irkey ok!; if itest ${irkey_value} == 0xe31cfb04; then run update;else if itest ${irkey_value} == 0xb748fb04; then run
    fi;fi;fi;
    jtag=disable
    loadaddr=1080000
    preboot=run bcb_cmd; run factory_reset_poweroff_protect;run upgrade_check;run storeargs;run adb_setting;run switch_bootmode;
    reboot_mode=cold_boot
    recovery_from_backup=setenv bootargs ${bootargs} console=ttyS0,115200 no_console_suspend earlycon=aml_uart,0xff803000;setenv bootargs ${bootargs} aml_dt=${aml_dt} recovery_part={recovery_pa
    recovery_from_flash=setenv bootargs ${bootargs} console=ttyS0,115200 no_console_suspend earlycon=aml_uart,0xff803000;setenv bootargs ${bootargs} aml_dt=${aml_dt} recovery_part={recovery_pari
    recovery_from_sdcard=if fatload mmc 0 ${loadaddr} aml_autoscript; then autoscr ${loadaddr}; fi;if fatload mmc 0 ${loadaddr} recovery.img; then if fatload mmc 0 ${dtb_mem_addr} dtb.img; then;
    recovery_from_udisk=if fatload usb 0 ${loadaddr} aml_autoscript; then autoscr ${loadaddr}; fi;if fatload usb 0 ${loadaddr} recovery.img; then if fatload usb 0 ${dtb_mem_addr} dtb.img; then ;
    recovery_offset=0
    recovery_part=recovery
    rpmb_state=0
    sdc_burning=sdc_burn ${sdcburncfg}
    sdcburncfg=aml_sdc_burn.ini
    serial=29432/A0SFxxxxx
    set_adb_debuggable=echo enable adb debug prop;setenv bootargs ${bootargs} android.debuggable=1 android.secure=0;setenv bootargs ${bootargs} console=ttyS0,115200 no_console_suspend earlycon=;
    stderr=serial
    stdin=serial
    stdout=serial
    storeargs=get_bootloaderversion;setenv bootargs ${initargs} logo=${display_layer},loaded,androidboot.selinux=${EnableSelinux} androidboot.firstboot=${firstboot} jtag=${jtag}; setenv bootarg;
    storeboot=if imgread kernel ${boot_part} ${loadaddr}; then bootm ${loadaddr}; fi;run update;
    switch_bootmode=get_rebootmode;if test ${reboot_mode} = factory_reset; then run recovery_from_flash;else if test ${reboot_mode} = update; then run update;else if test ${reboot_mode} = cold_;
    try_auto_burn=update 700 750;
    update=run usb_burning; run sdc_burning; if mmcinfo; then run recovery_from_sdcard;fi;if usb start 0; then run recovery_from_udisk;fi;if itest ${upgrade_step} == 4; then run recovery_from_bi
    upgrade_check=echo recovery_status=${recovery_status};if itest.s "${recovery_status}" == "in_progress"; then run storeargs; run recovery_from_flash;else fi;echo upgrade_step=${upgrade_step};
    upgrade_key=if gpio input GPIOAO_3; then echo detect upgrade key; run update;fi;
    upgrade_step=2
    usb_burning=update 1000 3500
    wipe_cache=successful
    wipe_data=successful

    Environment size: 6574/65532 bytes