D728h imei repair help

this is the getvar:

(bootloader) kernel: lk
(bootloader) product: htc_a50cmg_dwg
(bootloader) version: 1.0
(bootloader) imei: 351583070566666
(bootloader) version-main: 1.08.401.1
(bootloader) boot-mode: download
(bootloader) version-baseband: READ version-baseband ERROR
(bootloader) version-bootloader: 1.01.0000
(bootloader) mid: 2PQ830000
(bootloader) cid: HTC__J15


I want to repair imei so anyone can help to me about it?