[LG G8 Guides, News, & Discussion] Wish39:
@netmsm Here is the GPT output for the K51

GPT Table:
-------------
boot_para: Offset 0x0000000000800000, Length 0x0000000000100000, Flags 0x00000000, UUID f57ad330-39c2-4488-b09b-00cb43c9ccd4, Type EFI_BASIC_DATA
proinfo: Offset 0x0000000000900000, Length 0x0000000000300000, Flags 0x00000000, UUID fe686d97-3544-4a41-21be-167e25b61b6f, Type EFI_BASIC_DATA
para: Offset 0x0000000000c00000, Length 0x0000000000080000, Flags 0x00000000, UUID 1cb143a8-b1a8-4b57-51b2-945c5119e8fe, Type EFI_BASIC_DATA
efuse: Offset 0x0000000000c80000, Length 0x0000000000080000, Flags 0x00000000, UUID 3b9e343b-cdc8-4d7f-a69f-b6812e50ab62, Type EFI_BASIC_DATA
spare1: Offset 0x0000000000d00000, Length 0x0000000000300000, Flags 0x00000000, UUID 5f6a2c79-6617-4b85-02ac-c2975a14d2d7, Type EFI_BASIC_DATA
nvcfg: Offset 0x0000000001000000, Length 0x0000000002000000, Flags 0x00000000, UUID 4ae2050b-5db5-4ff7-d3aa-5730534be63d, Type EFI_BASIC_DATA
nvdata: Offset 0x0000000003000000, Length 0x0000000004000000, Flags 0x00000000, UUID 1f9b0939-e16b-4bc9-bca5-dc2ee969d801, Type EFI_BASIC_DATA
metadata: Offset 0x0000000007000000, Length 0x0000000002000000, Flags 0x00000000, UUID d722c721-0dee-4cb8-838a-2c63cd1393c7, Type EFI_BASIC_DATA
misc2: Offset 0x0000000009000000, Length 0x0000000000800000, Flags 0x00000000, UUID e02179a8-ceb5-48a9-3188-4f1c9c5a8695, Type EFI_BASIC_DATA
ftm: Offset 0x0000000009800000, Length 0x0000000000800000, Flags 0x00000000, UUID 84b09a81-fad2-41ac-0e89-407c24975e74, Type EFI_BASIC_DATA
md_udc: Offset 0x000000000a000000, Length 0x0000000001800000, Flags 0x00000000, UUID e8f0a5ef-8d1b-42ea-2a9c-835cd77de363, Type EFI_BASIC_DATA
expdb: Offset 0x000000000b800000, Length 0x0000000001800000, Flags 0x00000000, UUID d5f0e175-a6e1-4db7-c094-f82ad032950b, Type EFI_BASIC_DATA
frp: Offset 0x000000000d000000, Length 0x0000000000800000, Flags 0x00000000, UUID 1d9056e1-e139-4fca-0b8c-b75fd74d81c6, Type EFI_BASIC_DATA
protect1: Offset 0x000000000d800000, Length 0x0000000000800000, Flags 0x00000000, UUID 7792210b-b6a8-45d5-91ad-3361ed14c608, Type EFI_BASIC_DATA
protect2: Offset 0x000000000e000000, Length 0x0000000000800000, Flags 0x00000000, UUID 138a6db9-1032-451d-e991-0fa38ff94fbb, Type EFI_BASIC_DATA
seccfg: Offset 0x000000000e800000, Length 0x0000000000800000, Flags 0x00000000, UUID 756d934c-50e3-4c91-46af-02d824169ca7, Type EFI_BASIC_DATA
nvram: Offset 0x000000000f000000, Length 0x0000000004000000, Flags 0x00000000, UUID a3f3c267-5521-42dd-24a7-3bdec20c7c6f, Type EFI_BASIC_DATA
persist: Offset 0x0000000013000000, Length 0x0000000003000000, Flags 0x00000000, UUID 8c68cd2a-ccc9-4c5d-578b-34ae9b2dd481, Type EFI_BASIC_DATA
persist_lg: Offset 0x0000000016000000, Length 0x0000000000800000, Flags 0x00000000, UUID 6a5cebf8-54a7-4b89-1d8d-c5eb140b095b, Type EFI_BASIC_DATA
p_persist_lg: Offset 0x0000000016800000, Length 0x0000000000800000, Flags 0x00000000, UUID a0d65bf8-e8de-4107-3494-1d318c843d37, Type EFI_BASIC_DATA
md1img_a: Offset 0x0000000017000000, Length 0x0000000006000000, Flags 0x00000000, UUID 46f0c0bb-f227-4eb6-2fb8-66408e13e36d, Type EFI_BASIC_DATA
spmfw_a: Offset 0x000000001d000000, Length 0x0000000000100000, Flags 0x00000000, UUID fbc2c131-6392-4217-1eb5-548a6edb03d0, Type EFI_BASIC_DATA
scp_a: Offset 0x000000001d100000, Length 0x0000000000100000, Flags 0x00000000, UUID e195a981-e285-4734-2580-ec323e9589d9, Type EFI_BASIC_DATA
sspm_a: Offset 0x000000001d200000, Length 0x0000000000100000, Flags 0x00000000, UUID e29052f8-5d3a-4e97-b5ad-5f312ce6610a, Type EFI_BASIC_DATA
lk_a: Offset 0x000000001d300000, Length 0x0000000000200000, Flags 0x00000000, UUID 9c3cabd7-a35d-4b45-578c-b80775426b35, Type EFI_BASIC_DATA
tee_a: Offset 0x000000001d500000, Length 0x0000000000500000, Flags 0x00000000, UUID e7099731-95a6-45a6-e5a1-1b6aba032cf1, Type EFI_BASIC_DATA
spare2: Offset 0x000000001da00000, Length 0x0000000000600000, Flags 0x00000000, UUID 8273e1ab-846f-4468-99b9-ee2ea8e50a16, Type EFI_BASIC_DATA
logo_a: Offset 0x000000001e000000, Length 0x0000000000800000, Flags 0x00000000, UUID d26472f1-9ebc-421d-14ba-311296457c90, Type EFI_BASIC_DATA
dtbo_a: Offset 0x000000001e800000, Length 0x0000000000800000, Flags 0x00000000, UUID b72ccbe9-2055-46f4-67a1-4a069c201738, Type EFI_BASIC_DATA
vbmeta_a: Offset 0x000000001f000000, Length 0x0000000000800000, Flags 0x00000000, UUID 9c1520f3-c2c5-4b89-4282-fe4c61208a9e, Type EFI_BASIC_DATA
vbmeta_system_a: Offset 0x000000001f800000, Length 0x0000000000800000, Flags 0x00000000, UUID 902d5f3f-434a-4de7-8889-321e88c9b8aa, Type EFI_BASIC_DATA
vbmeta_vendor_a: Offset 0x0000000020000000, Length 0x0000000000800000, Flags 0x00000000, UUID bece74c8-d8e2-4863-fe9b-5b0b66bb920f, Type EFI_BASIC_DATA
boot_a: Offset 0x0000000020800000, Length 0x0000000002000000, Flags 0x00000000, UUID ff1342cf-b7be-44d5-5ea2-a435addd2702, Type EFI_BASIC_DATA
laf_a: Offset 0x0000000022800000, Length 0x0000000002800000, Flags 0x00000000, UUID a4da8f1b-fe07-433b-cb95-84a5f23e477b, Type EFI_BASIC_DATA
md1img_b: Offset 0x0000000025000000, Length 0x0000000006000000, Flags 0x00000000, UUID c2635e15-61aa-454e-409c-ebe1bdf19b9b, Type EFI_BASIC_DATA
spmfw_b: Offset 0x000000002b000000, Length 0x0000000000100000, Flags 0x00000000, UUID 4d2d1290-36a3-4f5d-b4af-319f8ab6dcd8, Type EFI_BASIC_DATA
scp_b: Offset 0x000000002b100000, Length 0x0000000000100000, Flags 0x00000000, UUID fdce12f0-a7eb-40f7-5083-960972e6cb57, Type EFI_BASIC_DATA
sspm_b: Offset 0x000000002b200000, Length 0x0000000000100000, Flags 0x00000000, UUID 0fbbafa2-4aa9-4490-8389-5329328505fd, Type EFI_BASIC_DATA
lk_b: Offset 0x000000002b300000, Length 0x0000000000200000, Flags 0x00000000, UUID a76e4b2f-31cb-40ba-6a82-c0cb0b73c856, Type EFI_BASIC_DATA
tee_b: Offset 0x000000002b500000, Length 0x0000000000500000, Flags 0x00000000, UUID f54ac030-7004-4d02-8194-bbf982036807, Type EFI_BASIC_DATA
spare3: Offset 0x000000002ba00000, Length 0x0000000000600000, Flags 0x00000000, UUID c4c310e2-4a7e-77d3-1848-61e2d8bb5e86, Type EFI_BASIC_DATA
logo_b: Offset 0x000000002c000000, Length 0x0000000000800000, Flags 0x00000000, UUID 3734710f-0f13-1ab9-4c73-12a08ec50837, Type EFI_BASIC_DATA
dtbo_b: Offset 0x000000002c800000, Length 0x0000000000800000, Flags 0x00000000, UUID 85a5b02f-3773-18b3-4910-718cde95107e, Type EFI_BASIC_DATA
vbmeta_b: Offset 0x000000002d000000, Length 0x0000000000800000, Flags 0x00000000, UUID 6fce83a6-5273-4748-4511-c205ebb4b8ad, Type EFI_BASIC_DATA
vbmeta_system_b: Offset 0x000000002d800000, Length 0x0000000000800000, Flags 0x00000000, UUID 3645e6a3-a7e3-19b2-4149-172c10190eef, Type EFI_BASIC_DATA
vbmeta_vendor_b: Offset 0x000000002e000000, Length 0x0000000000800000, Flags 0x00000000, UUID f60b92b4-0e2f-91b6-4afb-2d0b643bab4b, Type EFI_BASIC_DATA
boot_b: Offset 0x000000002e800000, Length 0x0000000002000000, Flags 0x00000000, UUID d05cedfe-20b7-68b3-f259-4fe25317f2fc, Type EFI_BASIC_DATA
laf_b: Offset 0x0000000030800000, Length 0x0000000002800000, Flags 0x00000000, UUID 54060b67-fa74-5c82-1661-44821e54dced, Type EFI_BASIC_DATA
eksst: Offset 0x0000000033000000, Length 0x0000000000080000, Flags 0x00000000, UUID c0a128fb-59d1-0a9e-e8f0-ea3d36a9d658, Type EFI_BASIC_DATA
encrypt: Offset 0x0000000033080000, Length 0x0000000000080000, Flags 0x00000000, UUID f5f5a7f8-f8ec-3ba1-c9cb-4e2a7cbc7d07, Type EFI_BASIC_DATA
rct: Offset 0x0000000033100000, Length 0x0000000000100000, Flags 0x00000000, UUID 736d618a-5b79-530b-ac9d-895339690613, Type EFI_BASIC_DATA
spare4: Offset 0x0000000033200000, Length 0x0000000000600000, Flags 0x00000000, UUID a2342ac6-4c40-b02c-4f51-e90d46f93454, Type EFI_BASIC_DATA
power: Offset 0x0000000033800000, Length 0x0000000002800000, Flags 0x00000000, UUID 339d6f74-bcb8-f02b-4a69-ae0152bcadc0, Type EFI_BASIC_DATA
mpt: Offset 0x0000000036000000, Length 0x0000000002000000, Flags 0x00000000, UUID 2cd122a3-6142-31a9-8812-cb60fbead9be, Type EFI_BASIC_DATA
fota: Offset 0x0000000038000000, Length 0x0000000001000000, Flags 0x00000000, UUID c09b7bd1-5e46-450c-d597-adf4072a8d6b, Type EFI_BASIC_DATA
els: Offset 0x0000000039000000, Length 0x0000000001000000, Flags 0x00000000, UUID 448a65b8-a5d4-bdb0-ebdd-bf4ea3ceafc6, Type EFI_BASIC_DATA
carrier: Offset 0x000000003a000000, Length 0x0000000003800000, Flags 0x00000000, UUID b1b1e374-8c7f-b48a-75d5-ce0ca20f1183, Type EFI_BASIC_DATA
srtc: Offset 0x000000003d800000, Length 0x0000000000800000, Flags 0x00000000, UUID 24d37dd4-caf8-1a6e-45be-89e4b0705843, Type EFI_BASIC_DATA
eri: Offset 0x000000003e000000, Length 0x0000000000800000, Flags 0x00000000, UUID 37957b10-67ef-1440-3b89-6200484311b6, Type EFI_BASIC_DATA
operatorlogging: Offset 0x000000003e800000, Length 0x0000000001000000, Flags 0x00000000, UUID 441c978b-5309-1faa-913c-32c5f087e9ae, Type EFI_BASIC_DATA
super: Offset 0x000000003f800000, Length 0x0000000200000000, Flags 0x00000000, UUID 575fb526-8d23-61c4-fed5-e9e040eb0741, Type EFI_BASIC_DATA
OP_a: Offset 0x000000023f800000, Length 0x000000003c000000, Flags 0x00000000, UUID d8bbfddf-8e4c-8cf5-e3ca-fc4f02e1c49a, Type EFI_BASIC_DATA
OP_b: Offset 0x000000027b800000, Length 0x000000003c000000, Flags 0x00000000, UUID 7c881e59-5172-82a8-5c30-42abbd467b7d, Type EFI_BASIC_DATA
userdata: Offset 0x00000002b7800000, Length 0x000000048ec00000, Flags 0x00000000, UUID aa224eb0-1781-c4d2-1ed8-b39e64810df6, Type EFI_BASIC_DATA
flashinfo: Offset 0x0000000746400000, Length 0x0000000001000000, Flags 0x00000000, UUID a03b5e9f-674c-998f-fbf4-e24b171a35f3, Type EFI_BASIC_DATA

And LGUP doesn't let me crossflash from the beginning. I tried deleting FTM and both OP partitions then trying to use LGUP to crossflash a KDZ, but it gives a "Cannot change NA_2 to NA_5" error. I can try out whatever you suggest, the K51 is not my main device.