Any ideas on this one please, it's not showing a baseband number, tried various things?

[AC Question]

Any ideas on this one please. It's not showing a baseband number. Tried various things. Thanks

C:\Users\Paul\Desktop\Android>fastboot getvar all
(bootloader) version: 0.5
(bootloader) version-bootloader: 2.21.0000
(bootloader) version-baseband: N/A
(bootloader) version-cpld: None
(bootloader) version-microp: None
(bootloader) version-main: 3.10.161.6
(bootloader) version-misc: PVT SHIP S-ON
(bootloader) serialno: HT3A2WA02744
(bootloader) imei: 355866053314444
(bootloader) meid:
(bootloader) product: m4_ul
(bootloader) platform: HBOOT-8930
(bootloader) modelid: PO5820000
(bootloader) cidnum: VODAP001
(bootloader) battery-status: good
(bootloader) battery-voltage: 4287mV
(bootloader) partition-layout: Generic
(bootloader) security: on
(bootloader) build-mode: SHIP
(bootloader) boot-mode: FASTBOOT
(bootloader) commitno-bootloader: dirty-4dab9d12
(bootloader) hbootpreupdate: 11
(bootloader) gencheckpt: 0
all: Done!