[Wear OS Q&A, Help & Troubleshooting] MagneFire:
Which 13? There are a total of 50 partitions:

mmcblk0p1 : start= 131072, size= 172032, type=EBD0A0A2-B9E5-4433-87C0-68B6B72699C7, uuid=1E4D58C1-28DC-9E87-FF98-23B291EB4334, name="modem", attrs="GUID:60"
mmcblk0p2 : start= 303104, size= 2048, type=6CB747F1-C2EF-4092-ADD0-CA39F79C7AF4, uuid=77947449-975F-CCFD-773B-3181AEEED871, name="bluetooth", attrs="GUID:60"
mmcblk0p3 : start= 393216, size= 2, type=57B90A16-22C9-E33B-8F5D-0E81686A68CB, uuid=9C20C412-AF4E-5299-8443-32F2856380B1, name="fsc"
mmcblk0p4 : start= 393224, size= 16, type=2C86E742-745E-4FDD-BFD8-B6A7AC638772, uuid=ED7B2CC7-043E-89C3-E410-247BE0739224, name="ssd"
mmcblk0p5 : start= 393240, size= 1024, type=DEA0BA2C-CBDD-4805-B4F9-F428251C3E98, uuid=1259FE64-3C10-0382-1995-D6183ECD0818, name="sbl1"
mmcblk0p6 : start= 394264, size= 1024, type=EBD0A0A2-B9E5-4433-87C0-68B6B72699C7, uuid=B5983C21-B036-3B8C-53F9-7EDD075B684D, name="sbl1bak"
mmcblk0p7 : start= 395288, size= 1024, type=098DF793-D712-413D-9D4E-89D711772228, uuid=4C999AD2-B1DF-DEAF-8D29-0FBAAB5E63CF, name="rpm"
mmcblk0p8 : start= 396312, size= 1024, type=EBD0A0A2-B9E5-4433-87C0-68B6B72699C7, uuid=DA4EB29B-66E6-D730-0DEE-09EC25C96039, name="rpmbak"
mmcblk0p9 : start= 397336, size= 4096, type=A053AA7F-40B8-4B1C-BA08-2F68AC71A4F4, uuid=98DAEED1-4CEF-03BA-6058-C8BB42316854, name="tz"
mmcblk0p10 : start= 401432, size= 4096, type=EBD0A0A2-B9E5-4433-87C0-68B6B72699C7, uuid=75FB53D3-AB6F-F16A-4710-9673E16EACE5, name="tzbak"
mmcblk0p11 : start= 405528, size= 512, type=F65D4B16-343D-4E25-AAFC-BE99B6556A6D, uuid=44D03F9B-0B07-DC0A-BD18-FBFACAB53F15, name="devcfg"
mmcblk0p12 : start= 406040, size= 512, type=F65D4B16-343D-4E25-AAFC-BE99B6556A6D, uuid=4D5540D4-A82B-3117-16B8-6BD4C2321F11, name="devcfgbak"
mmcblk0p13 : start= 406552, size= 32768, type=EBD0A0A2-B9E5-4433-87C0-68B6B72699C7, uuid=43D62BC4-3B16-EA20-7194-BF11386E6C97, name="dsp"
mmcblk0p14 : start= 439320, size= 32768, type=EBD0A0A2-B9E5-4433-87C0-68B6B72699C7, uuid=20D5DD90-4767-D355-665E-0809102CBF02, name="dspbak"
mmcblk0p15 : start= 472088, size= 3072, type=EBBEADAF-22C9-E33B-8F5D-0E81686A68CB, uuid=67CD450F-892F-E9AA-7233-9F539B35A5DB, name="modemst1"
mmcblk0p16 : start= 475160, size= 3072, type=0A288B1F-22C9-E33B-8F5D-0E81686A68CB, uuid=49CC6933-EE88-06C2-3A49-9D5D10E27A2A, name="modemst2"
mmcblk0p17 : start= 524288, size= 2, type=04CA5A22-A1DA-4472-901C-099C4B30E3BF, uuid=3F61C001-5C1D-B61A-7286-5A330FFFD700, name="rsv", attrs="GUID:60"
mmcblk0p18 : start= 524296, size= 64, type=20A0C19C-286A-42FA-9CE7-F64C3226A794, uuid=E10ACBC3-B9BB-46E8-6675-A48D3EC45267, name="DDR", attrs="GUID:60"
mmcblk0p19 : start= 524360, size= 3072, type=638FF8E2-22C9-E33B-8F5D-0E81686A68CB, uuid=529D3E8F-5135-708C-49F1-8E67541F732D, name="fsg", attrs="GUID:60"
mmcblk0p20 : start= 527432, size= 32, type=303E6AC3-AF15-4C54-9E9B-D9A8FBECF401, uuid=687FB620-7306-08A3-CA09-F251AC68B2C1, name="sec", attrs="GUID:60"
mmcblk0p21 : start= 655360, size= 32768, type=20117F86-E985-4357-B9EE-374BC1D8487D, uuid=CF06D827-A166-5F72-3A44-218D9A9EE64C, name="splash"
mmcblk0p22 : start= 786432, size= 4096, type=400FFDCD-22E0-47E7-9A23-F16ED9382388, uuid=FF54CEF7-15EC-43A8-503F-0A896B4543DF, name="aboot", attrs="GUID:60"
mmcblk0p23 : start= 790528, size= 4096, type=EBD0A0A2-B9E5-4433-87C0-68B6B72699C7, uuid=63CC5411-624C-98CF-6E95-DDC4B2E29F9E, name="abootbak", attrs="GUID:60"
mmcblk0p24 : start= 794624, size= 16384, type=24D0D418-D31D-4D8D-AC2C-4D4305188450, uuid=F86525B4-1E4D-C889-684A-BBEDC0E17B39, name="dtbo", attrs="GUID:60"
mmcblk0p25 : start= 811008, size= 16384, type=EBD0A0A2-B9E5-4433-87C0-68B6B72699C7, uuid=EC81508A-F669-E6CD-282B-776B46487504, name="dtbobak", attrs="GUID:60"
mmcblk0p26 : start= 827392, size= 128, type=4B7A15D6-322C-42AC-8110-88B7DA0C5D77, uuid=2F1238D7-F7C3-38E6-5C8D-14940FF84327, name="vbmeta", attrs="GUID:60"
mmcblk0p27 : start= 827520, size= 128, type=EBD0A0A2-B9E5-4433-87C0-68B6B72699C7, uuid=0851AFBF-EB9F-FC8A-AD17-212EBBDAEC4A, name="vbmetabak", attrs="GUID:60"
mmcblk0p28 : start= 827648, size= 65536, type=20117F86-E985-4357-B9EE-374BC1D8487D, uuid=E3DB20B1-2DBB-4B26-88B6-7B712E7BEF79, name="boot", attrs="GUID:60"
mmcblk0p29 : start= 893184, size= 65536, type=9D72D4E4-9958-42DA-AC26-BEA7A90B0434, uuid=3504DC1C-A23C-8C87-44B1-E7B303DA8DBB, name="recovery", attrs="GUID:60"
mmcblk0p30 : start= 958720, size= 2048, type=1B81E7E6-F50D-419B-A739-2AEEF8DA3335, uuid=A3DBE91C-643D-6BDB-E9A9-2A386CEFDCF1, name="devinfo", attrs="GUID:60"
mmcblk0p31 : start= 960768, size= 3145728, type=97D7B011-54DA-4835-B3C4-917AD6E73D74, uuid=46F94BB5-D8E3-565E-4AE7-23A7B168855F, name="system", attrs="GUID:60"
mmcblk0p32 : start= 4106496, size= 786432, type=97D7B011-54DA-4835-B3C4-917AD6E73D74, uuid=8BF63130-8A86-DFB6-CA58-568E76F41D48, name="vendor", attrs="GUID:60"
mmcblk0p33 : start= 4980736, size= 131072, type=5594C694-C871-4B5F-90B1-690A6F68E0F7, uuid=F57ED081-07A2-FCDE-C3D8-921EB00A4729, name="cache"
mmcblk0p34 : start= 5111808, size= 32768, type=6C95E238-E343-4BA8-B489-8681ED22AD0B, uuid=8F4D619F-A7BE-6786-FB0D-88F3FD5CDE15, name="persist"
mmcblk0p35 : start= 5144576, size= 2048, type=82ACC91F-357C-4A68-9C8F-689E1B1A23A1, uuid=FDAE0775-323C-406E-D3C6-5D781226DB1F, name="misc"
mmcblk0p36 : start= 5146624, size= 1024, type=DE7D4029-0F5B-41C8-AE7E-F6C023A02B33, uuid=22A23976-8FAD-4EBD-A430-9334D4EF3393, name="keystore"
mmcblk0p37 : start= 5147648, size= 64, type=91B72D4D-71E0-4CBF-9B8E-236381CFF17A, uuid=DE8C033E-AC56-55BE-7C58-0029607ABCA0, name="config"
mmcblk0p38 : start= 5147712, size= 16384, type=7DB6AC55-ECB5-4E02-80DA-4D335B973332, uuid=8D8AA2A2-37DA-2091-E232-F39BEAD54C23, name="oem"
mmcblk0p39 : start= 5164096, size= 1024, type=098DF793-D712-413D-9D4E-89D711772228, uuid=79B09BD2-AC9B-24C4-1C50-59336FD8927B, name="syscfg"
mmcblk0p40 : start= 5165120, size= 8192, type=EBD0A0A2-B9E5-4433-87C0-68B6B72699C7, uuid=4763E69E-FF32-099C-BCA1-3592A833892C, name="mcfg"
mmcblk0p41 : start= 5242880, size= 2048, type=73471795-AB54-43F9-A847-4F72EA5CBEF5, uuid=F6E97A45-DFE5-A8AD-487C-EE3DDF15B4B4, name="cmnlib", attrs="GUID:60"
mmcblk0p42 : start= 5244928, size= 2048, type=73471795-AB54-43F9-A847-4F72EA5CBEF5, uuid=6FEB87B7-3137-219A-BF9B-4BD6462B8A58, name="cmnlibbak", attrs="GUID:60"
mmcblk0p43 : start= 5246976, size= 2048, type=8EA64893-1267-4A1B-947C-7C362ACAAD2C, uuid=4774A53B-8E82-5F97-A772-A7F397652D05, name="cmnlib64", attrs="GUID:60"
mmcblk0p44 : start= 5249024, size= 2048, type=8EA64893-1267-4A1B-947C-7C362ACAAD2C, uuid=0917769C-F66D-BFF3-1A42-4A77C55561B0, name="cmnlib64bak", attrs="GUID:60"
mmcblk0p45 : start= 5251072, size= 2048, type=E8B7CF6E-5694-4627-8A2A-899B09F2DBEA, uuid=8F498A31-ABBE-73F3-6E62-F3EA474F8FE3, name="keymaster", attrs="GUID:60"
mmcblk0p46 : start= 5253120, size= 2048, type=E8B7CF6E-5694-4627-8A2A-899B09F2DBEA, uuid=6DE462E6-5913-146B-E215-8CF7F7183A75, name="keymasterbak", attrs="GUID:60"
mmcblk0p47 : start= 5373952, size= 512, type=E6E98DA2-E22A-4D12-AB33-169E7DEAA507, uuid=7A055580-9C5D-A065-8794-F589BBBF09C9, name="apdp"
mmcblk0p48 : start= 5374464, size= 512, type=ED9E8101-05FA-46B7-82AA-8D58770D200B, uuid=EB16556D-38BC-1190-3E31-F49F073AF108, name="msadp"
mmcblk0p49 : start= 5505024, size= 512, type=664802D0-A344-4631-B985-A9071A331846, uuid=DCC33232-ABBE-34DB-FAF7-B739D3023024, name="bgapp", attrs="GUID:60"
mmcblk0p50 : start= 5636096, size= 9306079, type=1B81E7E6-F50D-419B-A739-2AEEF8DA3335, uuid=DB005008-1636-948A-8896-F23E3C410C2E, name="userdata"

Decicded to just upload all 49 (excluding userdata) partitions: https://we.tl/t-bVwTBZf5KZ. But again, be ware of which partitions you flash.