[Google Pixel 3 XL Questions & Answers] onlykhaz:
Im trying to get back to stock, but somehow I'm stuck on the boot G loading, I can access fastboot and stock recovery. Im coming from Kirisakura+AquariOS 9

- I have the lastest platform-tools r28.0.2

- I tried Ota (crosshatch-ota-pq2a.190405.003-8dbfa1fe) flash with sideload, when it finished it says "Total xfer: 2.00x" but when I reboot it stay in the boot G loading.

- I tried factory flash but it didn't work it said this...

rebooting into bootloader...
OKAY [ 0.050s]
finished. total time: 0.050s
target reported max download size of 268435456 bytes
archive does not contain 'boot.sig'
archive does not contain 'recovery.img'
archive does not contain 'system.sig'
archive does not contain 'vendor.sig'
Erase successful, but not automatically formatting.
File system type raw not supported.
Erase successful, but not automatically formatting.
Can't determine partition type.
FAILED (remote: variable not found)
--------------------------------------------
Bootloader Version...: xxxx
Baseband Version.....: xxxx
Serial Number........: xxxxx
--------------------------------------------
checking product...
OKAY [ 0.060s]
checking partition-exists...
FAILED (remote: variable not found)
finished. total time: 0.356s

Help please.

This is the fastboot getvar all

(bootloader) product:crosshatch
(bootloader) serialno:xxxxxxx
(bootloader) variant:MSM USF
(bootloader) max-download-size:0x10000000
(bootloader) slot-suffixes:_a,_b
(bootloader) version-bootloader:b1c1-0.1-5343672
(bootloader) version-baseband:g845-00017-xxxx-B-5xxxx43
(bootloader) secure-boot:PRODUCTION
(bootloader) secure:yes
(bootloader) hw-revision:MP1.0
(bootloader) slot-count:2
(bootloader) current-slot:b
(bootloader) unlocked:yes
(bootloader) nos-production:yes
(bootloader) off-mode-charge:1
(bootloader) slot-retry-count:a:0
(bootloader) slot-unbootable:a:no
(bootloader) slot-successful:a:no
(bootloader) slot-retry-count:b:0
(bootloader) slot-unbootable:b:no
(bootloader) slot-successful:b:no
(bootloader) battery-voltage:4148
(bootloader) battery-soc-ok:yes
(bootloader) partition-type:ssd:raw
(bootloader) partition-size:ssd:0x2000
(bootloader) partition-type:misc:raw
(bootloader) partition-size:misc:0x100000
(bootloader) partition-type:keystore:raw
(bootloader) partition-size:keystore:0x80000
(bootloader) partition-type:frp:raw
(bootloader) partition-size:frp:0x80000
(bootloader) partition-type:system_a:raw
(bootloader) partition-size:system_a:0xB0000000
(bootloader) partition-type:system_b:raw
(bootloader) partition-size:system_b:0xB0000000
(bootloader) partition-type:product_a:raw
(bootloader) partition-size:product_a:0x12C00000
(bootloader) partition-type:product_b:raw
(bootloader) partition-size:product_b:0x12C00000
(bootloader) partition-type:vendor_a:raw
(bootloader) partition-size:vendor_a:0x30000000
(bootloader) partition-type:vendor_b:raw
(bootloader) partition-size:vendor_b:0x30000000
(bootloader) partition-type:boot_a:raw
(bootloader) partition-size:boot_a:0x4000000
(bootloader) partition-type:boot_b:raw
(bootloader) partition-size:boot_b:0x4000000
(bootloader) partition-type:modem_a:raw
(bootloader) partition-size:modem_a:0x5000000
(bootloader) partition-type:modem_b:raw
(bootloader) partition-size:modem_b:0x5000000
(bootloader) partition-type:apdp_a:raw
(bootloader) partition-size:apdp_a:0x40000
(bootloader) partition-type:apdp_b:raw
(bootloader) partition-size:apdp_b:0x40000
(bootloader) partition-type:msadp_a:raw
(bootloader) partition-size:msadp_a:0x40000
(bootloader) partition-type:msadp_b:raw
(bootloader) partition-size:msadp_b:0x40000
(bootloader) partition-type:klog:raw
(bootloader) partition-size:klog:0x400000
(bootloader) partition-type:metadata:raw
(bootloader) partition-size:metadata:0x1000000
(bootloader) partition-type:userdata:raw
(bootloader) partition-size:userdata:0xCE4FFB000
(bootloader) partition-type:xbl_a:raw
(bootloader) partition-size:xbl_a:0x380000
(bootloader) partition-type:xbl_config_a:raw
(bootloader) partition-size:xbl_config_a:0x20000
(bootloader) partition-type:xbl_b:raw
(bootloader) partition-size:xbl_b:0x380000
(bootloader) partition-type:xbl_config_b:raw
(bootloader) partition-size:xbl_config_b:0x20000
(bootloader) partition-type:ALIGN_TO_128K_1:raw
(bootloader) partition-size:ALIGN_TO_128K_1:0x1A000
(bootloader) partition-type:cdt:raw
(bootloader) partition-size:cdt:0x20000
(bootloader) partition-type:ddr:raw
(bootloader) partition-size:ddr:0x100000
(bootloader) partition-type:modemcal:raw
(bootloader) partition-size:modemcal:0x200000
(bootloader) partition-type:uefivar:raw
(bootloader) partition-size:uefivar:0x100000
(bootloader) partition-type:sec:raw
(bootloader) partition-size:sec:0x4000
(bootloader) partition-type:aop_a:raw
(bootloader) partition-size:aop_a:0x80000
(bootloader) partition-type:tz_a:raw
(bootloader) partition-size:tz_a:0x200000
(bootloader) partition-type:hyp_a:raw
(bootloader) partition-size:hyp_a:0x80000
(bootloader) partition-type:abl_a:raw
(bootloader) partition-size:abl_a:0x200000
(bootloader) partition-type:keymaster_a:raw
(bootloader) partition-size:keymaster_a:0x80000
(bootloader) partition-type:cmnlib_a:raw
(bootloader) partition-size:cmnlib_a:0x80000
(bootloader) partition-type:cmnlib64_a:raw
(bootloader) partition-size:cmnlib64_a:0x80000
(bootloader) partition-type:devcfg_a:raw
(bootloader) partition-size:devcfg_a:0x20000
(bootloader) partition-type:qupfw_a:raw
(bootloader) partition-size:qupfw_a:0x10000
(bootloader) partition-type:vbmeta_a:raw
(bootloader) partition-size:vbmeta_a:0x10000
(bootloader) partition-type:dtbo_a:raw
(bootloader) partition-size:dtbo_a:0x800000
(bootloader) partition-type:storsec_a:raw
(bootloader) partition-size:storsec_a:0x20000
(bootloader) partition-type:aop_b:raw
(bootloader) partition-size:aop_b:0x80000
(bootloader) partition-type:tz_b:raw
(bootloader) partition-size:tz_b:0x200000
(bootloader) partition-type:hyp_b:raw
(bootloader) partition-size:hyp_b:0x80000
(bootloader) partition-type:abl_b:raw
(bootloader) partition-size:abl_b:0x200000
(bootloader) partition-type:keymaster_b:raw
(bootloader) partition-size:keymaster_b:0x80000
(bootloader) partition-type:cmnlib_b:raw
(bootloader) partition-size:cmnlib_b:0x80000
(bootloader) partition-type:cmnlib64_b:raw
(bootloader) partition-size:cmnlib64_b:0x80000
(bootloader) partition-type:devcfg_b:raw
(bootloader) partition-size:devcfg_b:0x20000
(bootloader) partition-type:qupfw_b:raw
(bootloader) partition-size:qupfw_b:0x10000
(bootloader) partition-type:vbmeta_b:raw
(bootloader) partition-size:vbmeta_b:0x10000
(bootloader) partition-type:dtbo_b:raw
(bootloader) partition-size:dtbo_b:0x800000
(bootloader) partition-type:storsec_b:raw
(bootloader) partition-size:storsec_b:0x20000
(bootloader) partition-type:ALIGN_TO_128K_2:raw
(bootloader) partition-size:ALIGN_TO_128K_2:0x1A000
(bootloader) partition-type:persist:raw
(bootloader) partition-size:persist:0x2800000
(bootloader) partition-type:modemst1:raw
(bootloader) partition-size:modemst1:0x200000
(bootloader) partition-type:modemst2:raw
(bootloader) partition-size:modemst2:0x200000
(bootloader) partition-type:fsg:raw
(bootloader) partition-size:fsg:0x200000
(bootloader) partition-type:fsc:raw
(bootloader) partition-size:fsc:0x20000
(bootloader) partition-type:devinfo:raw
(bootloader) partition-size:devinfo:0x1000
(bootloader) partition-type:dip:raw
(bootloader) partition-size:dip:0x100000
(bootloader) partition-type:spunvm:raw
(bootloader) partition-size:spunvm:0x800000
(bootloader) partition-type:limits:raw
(bootloader) partition-size:limits:0x1000
(bootloader) partition-type:toolsfv:raw
(bootloader) partition-size:toolsfv:0x100000
(bootloader) partition-type:logfs:raw
(bootloader) partition-size:logfs:0x800000
(bootloader) partition-type:sti:raw
(bootloader) partition-size:sti:0x200000
(bootloader) partition-type:ImageFv:raw
(bootloader) partition-size:ImageFv:0x200000
(bootloader) partition-type:splash:raw
(bootloader) partition-size:splash:0x4000
all:
finished. total time: 0.601s

EDIT: I can install the AquariOS 9, but when it boot up, it says. "Your vendor image does not match the system. Please flash the PQ3A. 190505.002 vendor image for your device.