[Sony Cross-Device General] Priterms:
This is the log that flashed the boot folder

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newflasher.exe v40 by Munjeni @ 2017/2020
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Determining available free space by GetDiskFreeSpaceEx:

Available space to caller = 539709 MB
Total space on current drive = 704872 MB
Free space on drive = 539709 MB

Reboot mode at the end of flashing:
typa 'a' for reboot to android, type 'f' for reboot to fastboot, type 's' for reboot to same mode, type 'p' for poweroff, and press ENTER.
nnnn

Optional step! Type 'y' and press ENTER if you need GordonGate flash driver, or type 'n' to skip.
This creates GordonGate driver installer in the same dir with newflasher.exe!
Device path: \\?\usb#vid_0fce&pid_b00b#8&6b5b656&0&3#{a5dcbf10-6530-11d2-901f-00c04fb951ed}
Class Description: SOMC Flash Device
Device Instance Id: USB\VID_0FCE&PID_B00B\8&6B5B656&0&3

Optional step! Type 'y' and press ENTER if you want dump trim area, or type 'n' and press ENTER to skip.
Do in mind this doesn't dump drm key since sake authentifiction is need for that! But it is recommend to have dump in case hard brick!
Product: H9493
Version: 0.4
Bootloader version: 1310-7079_X_Boot_SDM845_LA2.0.1_Q_206
Baseband version: 1315-2835_52.1.A.0.672
Serialno: BH9506XKEF
Secure: yes
Loader version: XFL-SDM845-O-25
Phone ID: 0000:35854309072126,0000:35854309468126
Device ID: 506BA3FF
Platform ID: 2008B0E1
Max download size: 104857600
Sector size: 4096
Rooting status: ROOTABLE
Ufs info: SKhynix,H28S7Q302BMR,A002
Emmc info: FAILEmmc-info not supported
Default security: ON
Keystore counter: 2
Security state: FAILSecurity-state not supported
Sake root: B7DF
S1 root: S1_Root_e090
Root key hash: C8D92A2DBA1482588EFF712963329500AC7155CEA8494FDD4B7B180F2F871801
Slot count: 2
Current slot: b

Device is put now in flash mode.

No .sin files in partition dir...
You must extract partition.zip into 'partition' folder if you want flash partition image!
On 2018 and UP models you must move partition sin files to 'partition' folder if you need flash partition images!

Processing .sin files...
Created ouput folder flash_session
No .sin files in current dir.

Processing .ta files...
No .ta files in current dir.

Processing boot delivery...

Found boot_delivery.xml in boot folder.
- Boot delivery version: 1310-7079
- Verifying if boot delivery match with device...
searching for: PLATFORM_ID="0008B0E1";PLF_ROOT_HASH="C8D92A2DBA1482588EFF712963329500AC7155CEA8494FDD4B7B180F2F871801"
Found bootdelivery match: COMMERCIAL_0008B0E1
TA file: Akatsuki_XBootConfig_MiscTA.ta

Processing ./boot/Akatsuki_XBootConfig_MiscTA.ta
- Partition: 2
- Unit: 84F (2127)
- Unit size: 0x74
download:00000074
OKAY.
Write-TA:2:2127
OKAY.
- Unit: 8FD (2301)
- Unit size: 0x1
download:00000001
OKAY.
Write-TA:2:2301
OKAY.
SIN file: bootloader_X_BOOT_SDM845_LA2_0_1_Q_207_X-FLASH-ALL-B6B5.sin

Processing bootloader_X_BOOT_SDM845_LA2_0_1_Q_207_X-FLASH-ALL-B6B5.sin
- setting up inflate...
- infflating, please wait...
........
- inflate returned: 0
- gzpipe: ok.
- gunziped ok.
- Extracting from bootloader_X_BOOT_SDM845_LA2_0_1_Q_207_X-FLASH-ALL-B6B5.sin
- Extracting signature bootloader.cms
- Uploading signature D:\H9493_Customized HK_52.1.A.3.92-R3C\boot\bootloader.cms
signature:00000536
Error, didn't got signature OKAY reply! Got reply: FAILFailed to init keystore

Set slot 'b' active.

Device is put now out of flash mode.
Sent command: powerdown.

End. You can disconnect your device when you close newflasher.exe
Closing device.