lenovo a7020a48 bb unknown

[nainar]

lenovo a7020a48 bb unknown imei null
iam also flash 312,318 version but same need help
here is read details

Phone found! [ 6 ]
Sync...
Inital Boot Ok!
BB_CPU_PID : 6755
BB_CPU_NME : [MediaTek] Helio[P10]|MT6755_S00
BB_CPU_EXT : 0xCB00 , 0x8A00 , 0x0000
Processing BROM stage
Settings for BROM configured!
SecCfgVal : 0x01000000
BromVer : 0x00FF
BLVersion : 0x0001
PreLoader : Active [ Boot with PL ]
BootLdrSS : SIGNED with SPRELOADER
Processing DA stage
DA Select done, will use MTK_AllInOne_DA_v5.1624.16.07
Sending and initialize DA ...
DAgent configured successfully
Connection agent : PRELOADER
DRAM already initialized by Preloader
Link with DAgent established
eMMC FlashIC initialized
[eMMC] : FLASH_VEN : 0x15 , OEM : 0100
[eMMC] : FLASH_INF : [SAMSUNG] , BM41C
[eMMC] : FLASH_CID : 150100524331344D42070730DAF62447
[eMMC] : FLASH_BRT : 0x00400000 , 0x00400000 , 0x00400000
[eMMC] : FLASH_LEN : 0x0000000E8F800000
[eMMC] : FLASH_UCP : 59640 MiB [eMMC 128 GiB]
DEV RID : 0xCAAA14EB9F5C7013404A1F2C7EE93F18
INT RAM : 0x00000000
EXT RAM : 0x80000000 [2 GiB]
[NAND] : FLASH : NOT INSTALLED
[UFSM] : FLASH : NOT INSTALLED
[HSUSB] : MODE : HIGH-SPEED
Boot Ok!

[AP] : Initial info read Ok!

Brand : Lenovo
ProdName : k52_a48
ProdModel : Lenovo A7020a48
Device : A7020a48
AndroidVer: 6.0
MTKxCPU : MT6755
MTKxPRJ : A7020a48_USR_S312_1609261808_mp7-V2.3_lenovo6755.66c.m_P148_ROW

Done!