mtd-utils binary package in Ubuntu Lunar arm64

 Utilities for manipulating memory technology devices, such as flash
 memory, Disk-On-Chip, or ROM. Includes the following tools:
 docfdisk, doc_loadbios, flashcp, flash_erase, flash_eraseall, flash_lock,
 flash_otp_dump, flash_otp_info, flash_otp_lock, flash_otp_write, flash_unlock,
 ftl_check, ftl_format, jffs2dump, jffs2reader, lsmtd, mkfs.jffs2, mkfs.ubifs,
 mtd_debug, mtdinfo, mtdpart, nanddump, nandtest, nandwrite, nftldump,
 nftl_format, recv_image, rfddump, rfdformat, serve_image, sumtool, ubiattach,
 ubiblock, ubicrc32, ubidetach, ubiformat, ubihealthd, ubimkvol, ubinfo,
 ubinize, ubirename, ubirmvol, ubirsvol, ubiupdatevol.

Source package