esp-matter/examples/thread_border_router/partitions.csv

1	# Name	Type	SubType	Offset	Size	Flags
2	# Note: Firmware partition offset needs to be 64K aligned	initial 36K (9 sectors) are reserved for bootloader and partition table
3	esp_secure_cert	0x3F		0xd000	0x2000	encrypted
4	nvs	data	nvs	0x10000	0xC000
5	nvs_keys	data	nvs_keys	0x1C000	0x1000	encrypted
6	otadata	data	ota	0x1D000	0x2000
7	phy_init	data	phy	0x1F000	0x1000
8	ota_0	app	ota_0	0x20000	0x250000
9	ota_1	app	ota_1	0x270000	0x250000
10	rcp_fw	data	spiffs	0x4C0000	0xA0000
11	fctry	data	nvs	0x560000	0x6000