D728w firmware help

C:\ADB>fastboot getvar all
(bootloader) kernel: lk
(bootloader) product: htc_a50cml_dtul
(bootloader) version: 1.0
(bootloader) imei: 352731081866703
(bootloader) version-main: 1.36.401.4
(bootloader) boot-mode: download
(bootloader) version-baseband: READ version-baseband ERROR
(bootloader) version-bootloader: 1.01.0000
(bootloader) mid: 2PQ810000
(bootloader) cid: HTC__J15
all:
finished. total time: 0.031s

i need this firmware