[OnePlus Nord N100 Guides, News, & Discussion] amiralihz:
Nope :(

C:\Users\amira\Desktop\one_plus_nord_sdk>fastboot --set-active=a

Setting current slot to 'a' OKAY [ 0.000s]

Finished. Total time: 0.016s

C:\Users\amira\Desktop\one_plus_nord_sdk>fastboot reboot fastboot

Rebooting into fastboot OKAY [ 0.016s]

< waiting for any device >

Finished. Total time: 17.586s

C:\Users\amira\Desktop\one_plus_nord_sdk>fastboot flash product_a product_gsi.img

Resizing 'product_a' OKAY [ 0.000s]

Sending 'product_a' (328 KB) OKAY [ 0.016s]

Writing 'product_a' OKAY [ 0.109s]

Finished. Total time: 0.156s

C:\Users\amira\Desktop\one_plus_nord_sdk>fastboot erase system_a

Erasing 'system_a' OKAY [ 0.687s]

Finished. Total time: 0.719s

C:\Users\amira\Desktop\one_plus_nord_sdk>fastboot -w

Erasing 'userdata' OKAY [ 2.094s]

Erase successful, but not automatically formatting.

File system type raw not supported.

Erasing 'metadata' OKAY [ 0.016s]

Erase successful, but not automatically formatting.

File system type raw not supported.

Finished. Total time: 2.141s

C:\Users\amira\Desktop\one_plus_nord_sdk>fastboot reboot bootloader

Rebooting into bootloader OKAY [ 0.000s]

Finished. Total time: 0.000s

C:\Users\amira\Desktop\one_plus_nord_sdk>fastboot -w

Erasing 'userdata' OKAY [ 0.172s]

F2FS-tools: mkfs.f2fs Ver: 1.14.0 (2020-08-24)

Info: Disable heap-based policy

Info: Debug level = 1

Info: Trim is disabled

Info: Set conf for android

Info: Segments per section = 1

Info: Sections per zone = 1

Info: sector size = 512

Info: total sectors = 93872792 (45836 MB)

Info: zone aligned segment0 blkaddr: 512

Info: add quota type = 0 => 4

Info: add quota type = 1 => 5

[f2fs_init_sit_area: 587] Filling sit area at offset 0x00600000

[f2fs_init_nat_area: 621] Filling nat area at offset 0x00a00000

[f2fs_write_root_inode:1210] Writing root inode (hot node), 13000 0 200 at offset 0x00077824

[f2fs_write_default_quota:1286] Writing quota data, at offset 00013601, 00013602

[f2fs_write_qf_inode:1377] Writing quota inode (hot node), 13000 0 200 at offset 0x00077825

[f2fs_write_default_quota:1286] Writing quota data, at offset 00013603, 00013604

[f2fs_write_qf_inode:1377] Writing quota inode (hot node), 13000 0 200 at offset 0x00077826

[f2fs_update_nat_root:1431] Writing nat root, at offset 0x00000a00

[f2fs_add_default_dentry_root:1628] Writing default dentry root, at offset 0x00013600

Info: Overprovision ratio = 0.940%

Info: Overprovision segments = 431 (GC reserved = 220)

[f2fs_write_check_point_pack: 774] Writing main segments, cp at offset 0x00000200

[f2fs_write_check_point_pack: 911] Writing Segment summary for HOT/WARM/COLD_DATA, at offset 0x00000201

[f2fs_write_check_point_pack: 938] Writing Segment summary for HOT_NODE, at offset 0x00000202

[f2fs_write_check_point_pack: 950] Writing Segment summary for WARM_NODE, at offset 0x00000203

[f2fs_write_check_point_pack: 961] Writing Segment summary for COLD_NODE, at offset 0x00000204

[f2fs_write_check_point_pack: 969] Writing cp page2, at offset 0x00000205

[f2fs_write_check_point_pack: 989] Writing NAT bits pages, at offset 0x000003fe

[f2fs_write_check_point_pack:1010] Writing cp page 1 of checkpoint pack 2, at offset 0x00000400

[f2fs_write_check_point_pack:1029] Writing cp page 2 of checkpoint pack 2, at offset 0x00000405

[f2fs_write_super_block:1062] Writing super block, at offset 0x00000000

Info: format successful

Sending 'userdata' (85 KB) OKAY [ 0.000s]

Writing 'userdata' OKAY [ 0.016s]

Erasing 'metadata' OKAY [ 0.031s]

Erase successful, but not automatically formatting.

File system type raw not supported.

Finished. Total time: 9.749s

C:\Users\amira\Desktop\one_plus_nord_sdk>fastboot --disable-verity flash vbmeta vbmeta.img

Rewriting vbmeta struct at offset: 0

Sending 'vbmeta' (8 KB) OKAY [ 0.000s]

Writing 'vbmeta' OKAY [ 0.000s]

Finished. Total time: 0.031s

C:\Users\amira\Desktop\one_plus_nord_sdk>fastboot --disable-verity flash vbmeta_system vbmeta_system.img

Sending 'vbmeta_system' (4 KB) OKAY [ 0.016s]

Writing 'vbmeta_system' OKAY [ 0.000s]

Finished. Total time: 0.016s

C:\Users\amira\Desktop\one_plus_nord_sdk>fastboot reboot fastboot

Rebooting into fastboot OKAY [ 0.016s]

< waiting for any device >

Finished. Total time: 17.673s

C:\Users\amira\Desktop\one_plus_nord_sdk>fastboot flash system PixelExperience_Plus_arm64-ab-12.1-20220518-UNOFFICIAL.img

Invalid sparse file format at header magic

Resizing 'system_a' FAILED (remote: 'Not enough space to resize partition')

fastboot: error: Command failed

C:\Users\amira\Desktop\one_plus_nord_sdk>

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I skipped the step, still the same problem