1. use magisk 27.0; patch init_boot.img; newer magisk won't work.
2. Flash command comes from flashfile.xml; use online converter.

tested on XT2413-2_FOGONA_COMCAST_13_T3TFS33.66-56-3_subsidy-COMCAST_regulatory-DEFAULT_cid50_CFC.xml.zip. image is available on loli mirror: https://mirrors.lolinet.com/firmware/lenomola/2024/fogona/official/