分区描述LabelPurpose of this partitionModemPartition for modemFscCookie partition to store Modem File System’s cookies.SsdPartition for ssd diag module. stores the encrypted RSA keyssbl1Partition for secondary boot loadersbl1bakBack up Partition for secondary boot loaderRpmPartition for rpm imageRpmbakBack up Partition for rpm imageTzPartition for tz imagetzbakBack up Partition for tz imageHypPartition for hypervisor imagehypbakBack up Partition for hypervisor imageDspPartition for adsp dymanic loaders imagemodemst1Copy of Modem File System (Encrypted)modemst2Copy of Modem File System (Encrypted)DDRPartition for DDR.Fsgolden copy or backup of Modem File System (Encrypted). Also used to pre-populate the file system.SecSec.dat contains fuse settings, mainly for secure boot and oem settingsplashThe splash screen is displayed during the apps bootloader (also called the LK). The display driver in LK will read the splash image data from a separate eMMC partition named as ’splash’abootPartition for apps boot loaderabootbakBack up Partition for apps boot loaderbootThis is the boot partition of your android device,It includes the android kernel and the ramdisk.recoveryThis is specially designed for backup. The recovery partition can be considered as an alternative boot partitiondevinfoDevice information including:iis_unlocked, is_tampered, is_verified, charger_screen_enabled, display_panel, bootloader_version, radio_version All these attirbutes are set based on some specific conditions and written on devinfo partition,.systemThis partition contains the entire Android OS, other than the kernel and the ramdisk. This includes the Android GUI and all the system applications that come pre-installed on the devicecacheThis is the partition where Android stores frequently accessed data and app componentspersistPartition entry for persist image. which contains data which shouldn’t be changed after the device shipped, for example: calibration data of chips(wifi, bt, camera, etc.), certificates and other security related files.miscThis partition contains miscellaneous system settings in form of on/off switches. These settings may include CID (Carrier or Region ID), USB configuration and certain hardware settings etckeystorePartition for keystore service.configPartition needed during display panel initialization. More info at Display_panel_configuration_in_Device_Treeoem"It is meant for storing OEM specific info. Customer in this case can decide whether he wants to keep this partition or not typically reserved partitions are kept for future uselimitsPartition to store LMh params on 8976 target. LMh (Limits management) driver in SBL writes the LMh HW trimmed data into separate partition and uses the same data for later rebootsmotaBackup partition for M ota upgradedevcfgPartition needed by TZ for M upgrades.DipPartition needed for SafeSwitch, feature (FR26255) designed to allow OEMs and carriers to address new smartphone theft bill issues.mdtpPartition needed for SafeSwitch, feature (FR26255) designed to allow OEMs and carriers to address new smartphone theft bill issues.userdataPartition for userdata imagecmnlibVerified boot feature introduced in M needLK to load cmnlib corresponding partitionskeymasterVerified boot feature introduced in M needs LK to load keymaster from corresponding partitionssyscfgSyscfg is internal testing for Vmin and CPR characterizationmcfgAll MBNs place holder in flash. Specific MBN would be loaded by mcfg image based on the SIM/Carrier.msadpused for modem debug policyapdpused for persisting the debug policy. “Debug policy” is used to better support development and debug on secure/fuse-blown devices One instance of the debug policy will be signed for the APdpoThis partition will store a policy override
