htc 728h firmware help

C:\ADB>fastboot getvar all
(bootloader) kernel: lk
(bootloader) product: htc_a50cmg_dwg
(bootloader) version: 1.0
(bootloader) imei: 3515xxxxxxxxxxxxx
(bootloader) version-main: 1.09.720.4
(bootloader) boot-mode: download
(bootloader) version-baseband: READ version-baseband ERROR
(bootloader) version-bootloader: 1.01.0000
(bootloader) mid: 2PQ830000
(bootloader) cid: HTC__038
all:
finished. total time: 0.016s

i need firmware please help