nvcfg partition
Function: This partition stores variable configs of NVDATA and NVRAM.
nvdata partition
Function: This partition stores variable data of secure and identifying infos for your device. Like IMEI, WiFi MAC, Bluetooth MAC, calibration data and others.
nvram partition
Purpose: This partition stores persistent data of secure and identifying infos for your device. Like IMEI, WiFi MAC, Bluetooth MAC, calibration data and others.
persist partition
Function: This partition stores persistent data for factory reset protection. Like google account and miaccount/micloud
proinfo partition
Function : This partitions stores persistent data of default structure for NVRAM/RADIO/MODEM/BASEBAND
protect1 (or protect_f) partition
Function: This partition stores variable data of SIM/RADIO/MODEM/BASEBAND settings and infos.
protect2 (or protect_s )
Description: This partition stores variable data of SIM/RADIO/MODEM/BASEBAND settings and infos.