# Name,   Type, SubType, Offset,  Size, Flags
# NVS, PHY init, and OTA data in standard low-flash locations
nvs,      data, nvs,     0x9000,  0x6000,
phy_init, data, phy,     0xf000,  0x1000,
# Factory app at standard 0x10000 offset (4 MB)
factory,  app,  factory, 0x10000, 0x400000,
# Dual OTA partitions for A/B updates with rollback
ota_0,    app,  ota_0,   0x410000,0x400000,
ota_1,    app,  ota_1,   0x810000,0x400000,
# OTA data partition — bootloader uses this to track which OTA slot to boot
otadata,  data, ota,     0xc10000,0x2000,