plz hlep me to flash thc desir 300

this is info phone plz hlep i cant unlock the bootloder to wrait costomer rom
(bootloader) version: 0.5
(bootloader) version-bootloader: 1.18.0002
(bootloader) version-baseband: 14.11.36Q4.21
(bootloader) version-cpld: None
(bootloader) version-microp: None
(bootloader) version-main: 1.10.401.4
(bootloader) version-misc: PVT SHIP S-ON
(bootloader) serialno: HT425WL00484
(bootloader) imei: 3582********495
(bootloader) meid:
(bootloader) product: g3u
(bootloader) platform: HBOOT-8225
(bootloader) modelid: 0P6A10000
(bootloader) cidnum: HTC__J15
(bootloader) battery-status: good
(bootloader) battery-voltage: 3720mV
(bootloader) partition-layout: HTC
(bootloader) security: on
(bootloader) build-mode: SHIP
(bootloader) boot-mode: FASTBOOT
(bootloader) commitno-bootloader: dirty-e1c32097
(bootloader) hbootpreupdate: 12
(bootloader) gencheckpt: 0