[Sony Cross-Device General] shoey63:
So here is partition and block info for Z5 and X.

Z5

Partition Table: gpt

Number Start End Size File system Name Flags

1 131kB 2228kB 2097kB TA

2 4194kB 21.0MB 16.8MB ext4 LTALabel

3 21.0MB 105MB 83.9MB fat16 modem

4 105MB 105MB 131kB pmic

5 105MB 105MB 131kB alt_pmic

6 105MB 105MB 1024B limits

7 105MB 106MB 1049kB DDR

8 106MB 106MB 262kB apdp

9 106MB 107MB 262kB msadp

10 107MB 107MB 1024B dpo

11 107MB 107MB 524kB hyp

12 107MB 108MB 524kB alt_hyp

13 109MB 111MB 1573kB fsg

14 111MB 111MB 8192B ssd

15 111MB 112MB 1049kB sbl1

16 112MB 113MB 1049kB alt_sbl1

17 113MB 115MB 1573kB modemst1

18 117MB 119MB 1573kB modemst2

19 119MB 119MB 262kB s1sbl

20 119MB 120MB 262kB alt_s1sbl

21 120MB 120MB 131kB sdi

22 120MB 120MB 131kB alt_sdi

23 120MB 121MB 1049kB tz

24 121MB 122MB 1049kB alt_tz

25 122MB 122MB 524kB rpm

26 122MB 123MB 524kB alt_rpm

27 123MB 124MB 1049kB aboot

28 124MB 125MB 1049kB alt_aboot

29 125MB 192MB 67.1MB boot

30 192MB 226MB 33.6MB rdimage

31 226MB 259MB 33.6MB ext4 persist

32 259MB 326MB 67.1MB FOTAKernel

33 326MB 327MB 1049kB misc

34 327MB 328MB 524kB keystore

35 328MB 328MB 1024B devinfo

36 328MB 328MB 524kB config

37 331MB 436MB 105MB rddata

38 436MB 447MB 10.5MB ext4 apps_log

39 449MB 466MB 16.8MB ext4 diag

40 466MB 780MB 315MB ext4 oem

41 780MB 990MB 210MB ext4 cache

42 990MB 25.8GB 24.8GB ext4 userdata

43 25.8GB 31.3GB 5513MB ext4 system

(parted) quit

quit

~ # cat /proc/partitions

major minor #blocks name

179 0 30539776 mmcblk0

179 1 2048 mmcblk0p1

179 2 16384 mmcblk0p2

179 3 81920 mmcblk0p3

179 4 128 mmcblk0p4

179 5 128 mmcblk0p5

179 6 1 mmcblk0p6

179 7 1024 mmcblk0p7

179 8 256 mmcblk0p8

179 9 256 mmcblk0p9

179 10 1 mmcblk0p10

179 11 512 mmcblk0p11

179 12 512 mmcblk0p12

179 13 1536 mmcblk0p13

179 14 8 mmcblk0p14

179 15 1024 mmcblk0p15

179 16 1024 mmcblk0p16

179 17 1536 mmcblk0p17

179 18 1536 mmcblk0p18

179 19 256 mmcblk0p19

179 20 256 mmcblk0p20

179 21 128 mmcblk0p21

179 22 128 mmcblk0p22

179 23 1024 mmcblk0p23

179 24 1024 mmcblk0p24

179 25 512 mmcblk0p25

179 26 512 mmcblk0p26

179 27 1024 mmcblk0p27

179 28 1024 mmcblk0p28

179 29 65536 mmcblk0p29

179 30 32768 mmcblk0p30

179 31 32768 mmcblk0p31

259 0 65536 mmcblk0p32

259 1 1024 mmcblk0p33

259 2 512 mmcblk0p34

259 3 1 mmcblk0p35

259 4 512 mmcblk0p36

259 5 102400 mmcblk0p37

259 6 10240 mmcblk0p38

259 7 16384 mmcblk0p39

259 8 307200 mmcblk0p40

259 9 204800 mmcblk0p41

259 10 24182784 mmcblk0p42

259 11 5384192 mmcblk0p43

179 32 4096 mmcblk0rpmb

179 64 15637504 mmcblk1

179 65 15636480 mmcblk1p1

And X

Partition Table: gpt

Number Start End Size File system Name Flags

1 131kB 2228kB 2097kB TA

2 4194kB 21.0MB 16.8MB ext4 LTALabel

3 21.0MB 109MB 88.1MB fat16 modem

4 109MB 109MB 8192B ssd

5 109MB 110MB 524kB sbl1

6 110MB 110MB 524kB sbl1bak

7 110MB 111MB 524kB rpm

8 111MB 111MB 524kB rpmbak

9 111MB 113MB 2097kB tz

10 113MB 115MB 2097kB tzbak

11 115MB 116MB 524kB hyp

12 116MB 116MB 524kB hypbak

13 116MB 133MB 16.8MB ext4 dsp

14 134MB 136MB 1573kB modemst1

15 138MB 140MB 1573kB modemst2

16 140MB 140MB 32.8kB DDR

17 143MB 144MB 1573kB fsg

18 144MB 144MB 16.4kB sec

19 144MB 156MB 11.5MB splash

20 156MB 157MB 1049kB aboot

21 157MB 158MB 1049kB abootbak

22 158MB 225MB 67.1MB boot

23 225MB 226MB 1049kB devinfo

24 226MB 495MB 268MB ext4 cache

25 495MB 528MB 33.6MB ext4 persist

26 528MB 529MB 524kB keystore

27 529MB 530MB 524kB config

28 530MB 949MB 419MB ext4 oem

29 949MB 949MB 32.8kB limits

30 949MB 950MB 524kB mota

31 950MB 950MB 262kB devcfg

32 950MB 954MB 4194kB mcfg

33 954MB 954MB 262kB cmnlib

34 954MB 954MB 262kB keymaster

35 954MB 955MB 262kB cmnlibbak

36 955MB 955MB 262kB keymasterbak

37 955MB 955MB 262kB apdp

38 955MB 956MB 262kB msadp

39 956MB 956MB 8192B dpo

40 956MB 997MB 41.9MB s1sbl

41 997MB 1039MB 41.9MB s1sblbak

42 1039MB 1107MB 67.1MB FOTAKernel

43 1107MB 1140MB 33.6MB rdimage

44 1141MB 1151MB 10.5MB ext4 apps_log

45 1153MB 1170MB 16.8MB ext4 diag

46 1170MB 1191MB 21.0MB ext4 Qnovo

47 1191MB 1191MB 102kB tzs1attest

48 1191MB 1191MB 102kB tzs1attestbak

49 1191MB 1192MB 524kB tzs1sbl

50 1192MB 1192MB 524kB tzs1sblbak

51 1195MB 23.4GB 22.2GB ext4 userdata

52 23.4GB 31.3GB 7843MB ext4 system

(parted) quit

quit

F5121:/ # cat /proc/partitions

major minor #blocks name

7 0 98304 loop0

254 0 786432 zram0

179 0 30535680 mmcblk0

179 1 2048 mmcblk0p1

179 2 16384 mmcblk0p2

179 3 86016 mmcblk0p3

179 4 8 mmcblk0p4

179 5 512 mmcblk0p5

179 6 512 mmcblk0p6

179 7 512 mmcblk0p7

179 8 512 mmcblk0p8

179 9 2048 mmcblk0p9

179 10 2048 mmcblk0p10

179 11 512 mmcblk0p11

179 12 512 mmcblk0p12

179 13 16384 mmcblk0p13

179 14 1536 mmcblk0p14

179 15 1536 mmcblk0p15

179 16 32 mmcblk0p16

179 17 1536 mmcblk0p17

179 18 16 mmcblk0p18

179 19 11264 mmcblk0p19

179 20 1024 mmcblk0p20

179 21 1024 mmcblk0p21

179 22 65536 mmcblk0p22

179 23 1024 mmcblk0p23

179 24 262144 mmcblk0p24

179 25 32768 mmcblk0p25

179 26 512 mmcblk0p26

179 27 512 mmcblk0p27

179 28 409600 mmcblk0p28

179 29 32 mmcblk0p29

179 30 512 mmcblk0p30

179 31 256 mmcblk0p31

259 0 4096 mmcblk0p32

259 1 256 mmcblk0p33

259 2 256 mmcblk0p34

259 3 256 mmcblk0p35

259 4 256 mmcblk0p36

259 5 256 mmcblk0p37

259 6 256 mmcblk0p38

259 7 8 mmcblk0p39

259 8 40960 mmcblk0p40

259 9 40960 mmcblk0p41

259 10 65536 mmcblk0p42

259 11 32768 mmcblk0p43

259 12 10240 mmcblk0p44

259 13 16384 mmcblk0p45

259 14 20480 mmcblk0p46

259 15 100 mmcblk0p47

259 16 100 mmcblk0p48

259 17 512 mmcblk0p49

259 18 512 mmcblk0p50

259 19 21704704 mmcblk0p51

259 20 7659520 mmcblk0p52

179 32 4096 mmcblk0rpmb

179 64 31285248 mmcblk1

179 65 31284224 mmcblk1p1

So I'm guessing

NODE_MMC=259
NAME_FOTA="mmcblk0p32"
NAME_FOTA_D=0

For Z5, and

NODE_MMC=259
NAME_FOTA="mmcblk0p42"
NAME_FOTA_D=10

For Xperia X

See how you go if you own one of those devices guys (unless [MENTION=4120742]munjeni[/MENTION] says I got i wrong):fingers-crossed: