bootloader怎么升级,在哪里下载新版本?

bootloader怎么升级,在哪里下载新版本?下面是我的手机的bootloader信息,version:0.5感觉好初级,怎么确定它是新版本还是旧版本?手机是乐视max2:

D:\adbtools
λ fastboot getvar all
(bootloader) version:0.5
(bootloader) battery-soc-ok:yes
(bootloader) battery-voltage:4029000
(bootloader) variant:MTP eMMC
(bootloader) secure:yes
(bootloader) version-baseband:☺
(bootloader) version-bootloader:
(bootloader) display-panel:
(bootloader) off-mode-charge:0
(bootloader) serial-console-enabled:0
(bootloader) charger-screen-enabled:0
(bootloader) max-download-size: 0x20000000
(bootloader) partition-type:cache:ext4
(bootloader) partition-size:cache:       0x10000000
(bootloader) partition-type:userdata:ext4
(bootloader) partition-size:userdata:    0x6169ae000
(bootloader) partition-type:system:ext4
(bootloader) partition-size:system:      0x100000000
(bootloader) serialno:6c513d6d
(bootloader) kernel:lk
(bootloader) product:MSM8996
all:
Finished. Total time: 0.221s

你的感觉是错的。