[OnePlus 7T Guides, News, & Discussion] sathya:
I am stuck on the "The boot loader is unlocked....." and i tried to flash this but i am getting too many errors and post reboot its back on the same screen. Can anybody please help me?

Creating filesystem with parameters:

Size: 232382812160

Block size: 4096

Blocks per group: 32768

Inodes per group: 8192

Inode size: 256

Journal blocks: 32768

Label:

Blocks: 56734085

Block groups: 1732

Reserved block group size: 1024

Created filesystem with 11/14188544 inodes and 938604/56734085 blocks

target reported max download size of 805306368 bytes

Erase successful, but not automatically formatting.

Can't determine partition type.

FAILED (remote: GetVar Variable Not found)

erasing 'userdata'...

OKAY [ 0.688s]

sending 'userdata' (152025 KB)...

OKAY [ 3.922s]

writing 'userdata'...

OKAY [ 0.000s]

erasing 'cache'...

FAILED (remote: Check device console.)

finished. total time: 8.001s

error: cannot load 'aop.img'

error: cannot load 'bluetooth.img'

error: cannot load 'boot.img'

error: cannot load 'dsp.img'

error: cannot load 'cmnlib.img'

error: cannot load 'cmnlib64.img'

error: cannot load 'devcfg.img'

error: cannot load 'dtbo.img'

error: cannot load 'LOGO.img'

error: cannot load 'modem.img'

error: cannot load 'oem_stanvbk.img'

error: cannot load 'qupfw.img'

error: cannot load 'storsec.img'

error: cannot load 'multiimgoem.img'

error: cannot load 'hyp.img'

error: cannot load 'imagefv.img'

error: cannot load 'keymaster.img'

error: cannot load 'uefisecapp.img'

error: cannot load 'recovery.img'

fastboot: unknown option -- disable-verity

fastboot: unknown option -- disable-verity

error: cannot load 'opproduct.img'

error: cannot load 'tz.img'

usage: fastboot [ <option> ] <command>

commands:

update <filename> reflash device from update.zip

flashall flash boot, system, vendor and if found,

recovery

flash <partition> [ <filename> ] write a file to a flash partition

erase <partition> erase a flash partition

format[:[<fs type>][:[<size>]] <partition> format a flash partition.

Can override the fs type and/or

size the bootloader reports.

getvar <variable> display a bootloader variable

boot <kernel> [ <ramdisk> [ <second> ] ] download and boot kernel

flash:raw boot <kernel> [ <ramdisk> [ <second> ] ] create bootimage and

flash it

devices list all connected devices

continue continue with autoboot

reboot reboot device normally

reboot-bootloader reboot device into bootloader

help show this help message

options:

-w erase userdata and cache (and format

if supported by partition type)

-u do not first erase partition before

formatting

-s <specific device> specify device serial number

or path to device port

-l with "devices", lists device paths

-p <product> specify product name

-c <cmdline> override kernel commandline

-i <vendor id> specify a custom USB vendor id

-b <base_addr> specify a custom kernel base address.

default: 0x10000000

-n <page size> specify the nand page size.

default: 2048

-S <size>[K|M|G] automatically sparse files greater

than size. 0 to disable

error: cannot load 'system.img'

error: cannot load 'vendor.img'

error: cannot load 'product.img'

rebooting...