[One (M7) General] readmanr:
Few days with no reply, so bit the bullet, and thought I would answer my own questions.

Previous

>fastboot getvar all

(bootloader) version: 0.5

(bootloader) version-bootloader: 1.55.0000

(bootloader) version-baseband: 4A.21.3263.04

(bootloader) version-main: 3.62.841.1

(bootloader) version-misc: PVT SHIP S-OFF

radio-4A.21.3263.04_10.38m.1157.04L

After new OTA

(bootloader) version: 0.5

(bootloader) version-bootloader: 1.56.0000

(bootloader) version-baseband: 4A.23.3263.28

(bootloader) version-main: 4.20.980.1

(bootloader) version-misc: PVT SHIP S-OFF

radio-4A.23.3263.28__10.38r.1157.04L

Just in case anyone is interested, here is how I updated, needless to say, if you don't know what your doing, then don't.

>fastboot oem rebootRUU

...

(bootloader) Start Verify: 0

OKAY [ 0.049s]

finished. total time: 0.056s

>fastboot flash zip firmware.zip

target reported max download size of 1526722560 bytes

sending 'zip' (43505 KB)...

OKAY [ 3.200s]

writing 'zip'...

(bootloader) zip header checking...

(bootloader) shift signature_size for header checking...

(bootloader) zip info parsing...

(bootloader) checking model ID...

(bootloader) checking custom ID...

(bootloader) start image[hboot] unzipping for pre-update check...

(bootloader) start image[hboot] flushing...

(bootloader) [RUU]WP,hboot,0

(bootloader) [RUU]WP,hboot,99

(bootloader) [RUU]WP,hboot,100

(bootloader) ...... Successful

FAILED (remote: 90 hboot pre-update! please flush image again immediately)

finished. total time: 4.848s

>fastboot flash zip firmware.zip

target reported max download size of 1514139648 bytes

sending 'zip' (43505 KB)...

OKAY [ 3.132s]

writing 'zip'...

(bootloader) zip header checking...

(bootloader) shift signature_size for header checking...

(bootloader) zip info parsing...

(bootloader) checking model ID...

(bootloader) checking custom ID...

(bootloader) start image[boot] unzipping & flushing...

(bootloader) [RUU]UZ,boot,0

(bootloader) [RUU]UZ,boot,11

(bootloader) [RUU]UZ,boot,24

(bootloader) [RUU]UZ,boot,35

(bootloader) [RUU]UZ,boot,46

(bootloader) [RUU]UZ,boot,59

(bootloader) [RUU]UZ,boot,72

(bootloader) [RUU]UZ,boot,85

(bootloader) [RUU]UZ,boot,99

(bootloader) [RUU]UZ,boot,100

(bootloader) [RUU]WP,boot,0

(bootloader) [RUU]WP,boot,99

(bootloader) [RUU]WP,boot,100

(bootloader) ...... Successful

(bootloader) start image[recovery] unzipping & flushing...

(bootloader) [RUU]UZ,recovery,0

(bootloader) [RUU]UZ,recovery,6

(bootloader) [RUU]UZ,recovery,12

(bootloader) [RUU]UZ,recovery,20

(bootloader) [RUU]UZ,recovery,31

(bootloader) [RUU]UZ,recovery,38

(bootloader) [RUU]UZ,recovery,45

(bootloader) [RUU]UZ,recovery,67

(bootloader) [RUU]UZ,recovery,75

(bootloader) [RUU]UZ,recovery,82

(bootloader) [RUU]UZ,recovery,90

(bootloader) [RUU]UZ,recovery,98

(bootloader) [RUU]UZ,recovery,100

(bootloader) [RUU]WP,recovery,0

(bootloader) [RUU]WP,recovery,99

(bootloader) [RUU]WP,recovery,100

(bootloader) ...... Successful

(bootloader) start image[rpm] unzipping & flushing...

(bootloader) [RUU]UZ,rpm,0

(bootloader) [RUU]UZ,rpm,100

(bootloader) [RUU]WP,rpm,0

(bootloader) [RUU]WP,rpm,100

(bootloader) ...... Successful

(bootloader) start image[sbl1-1] unzipping & flushing...

(bootloader) [RUU]UZ,sbl1-1,0

(bootloader) [RUU]UZ,sbl1-1,100

(bootloader) signature checking...

(bootloader) verified fail

(bootloader) ..... Bypassed

(bootloader) start image[sbl1-2] unzipping & flushing...

(bootloader) [RUU]UZ,sbl1-2,0

(bootloader) [RUU]UZ,sbl1-2,100

(bootloader) signature checking...

(bootloader) verified fail

(bootloader) ..... Bypassed

(bootloader) start image[sbl1-3] unzipping & flushing...

(bootloader) [RUU]UZ,sbl1-3,0

(bootloader) [RUU]UZ,sbl1-3,100

(bootloader) signature checking...

(bootloader) [RUU]WP,sbl1-3,0

(bootloader) [RUU]WP,sbl1-3,100

(bootloader) ...... Successful

(bootloader) start image[sbl2] unzipping & flushing...

(bootloader) [RUU]UZ,sbl2,0

(bootloader) [RUU]UZ,sbl2,100

(bootloader) [RUU]WP,sbl2,0

(bootloader) [RUU]WP,sbl2,100

(bootloader) ...... Successful

(bootloader) start image[sbl3] unzipping & flushing...

(bootloader) [RUU]UZ,sbl3,0

(bootloader) [RUU]UZ,sbl3,100

(bootloader) [RUU]WP,sbl3,0

(bootloader) [RUU]WP,sbl3,100

(bootloader) ...... Successful

(bootloader) start image[tp] unzipping & flushing...

(bootloader) [RUU]UZ,tp,0

(bootloader) [RUU]UZ,tp,100

(bootloader) ..... Bypassed

(bootloader) start image[tz] unzipping & flushing...

(bootloader) [RUU]UZ,tz,0

(bootloader) [RUU]UZ,tz,100

(bootloader) [RUU]WP,tz,0

(bootloader) [RUU]WP,tz,100

(bootloader) ...... Successful

(bootloader) start image[radio] unzipping & flushing...

(bootloader) [RUU]UZ,radio,0

(bootloader) [RUU]UZ,radio,6

(bootloader) [RUU]UZ,radio,12

(bootloader) [RUU]UZ,radio,18

(bootloader) [RUU]UZ,radio,24

(bootloader) [RUU]UZ,radio,30

(bootloader) [RUU]UZ,radio,37

(bootloader) [RUU]UZ,radio,43

(bootloader) [RUU]UZ,radio,49

(bootloader) [RUU]UZ,radio,55

(bootloader) [RUU]UZ,radio,62

(bootloader) [RUU]UZ,radio,68

(bootloader) [RUU]UZ,radio,74

(bootloader) [RUU]UZ,radio,80

(bootloader) [RUU]UZ,radio,87

(bootloader) [RUU]UZ,radio,93

(bootloader) [RUU]UZ,radio,99

(bootloader) [RUU]UZ,radio,100

(bootloader) [RUU]WP,radio,0

(bootloader) [RUU]WP,radio,24

(bootloader) [RUU]WP,radio,49

(bootloader) [RUU]WP,radio,74

(bootloader) [RUU]WP,radio,99

(bootloader) [RUU]WP,radio,100

(bootloader) ...... Successful

(bootloader) start image[rcdata] unzipping & flushing...

(bootloader) [RUU]UZ,rcdata,0

(bootloader) [RUU]WP,rcdata,0

(bootloader) ...... Successful

OKAY [ 21.382s]

finished. total time: 24.528s

>fastboot reboot

rebooting...

finished. total time: 0.039s

>fastboot flash recovery recovery-clockwork-touch-6.0.4.6-m7.img

target reported max download size of 1514139648 bytes

sending 'recovery' (9140 KB)...

OKAY [ 1.206s]

writing 'recovery'...

OKAY [ 0.722s]

finished. total time: 1.942s

Finally... back on CM11 with everything updated.

Hope the above helps.

Rob.