Solved itel a42 plus baseband unknown by cm2

[vishal singh]

first select cpu : sp (sc983X) emmc (generic android 7.X) select
flash tab : trick update NVM

1. Remove battery. Insert battery back
2. Press and hold 'VolumeUp' and 'VolumeDown' keys
-> Alternative : just ONE 'VolumeUp' or 'VolumeDown' key
3. Insert cable

==== Wait for phone...

Phone found! [ 33 ]
Port Opened
Sync...
InitBoot Done [ 0x81 ] , Ver : SPRD3
Sync...
Sending FDL
[Info] : If SW freeze here more, than 15 seconds - remove cable
PickUp loaders from pac
FDL Ready!
Boot Ver : Spreadtrum Boot Block version 1.1
Sending FLASH FDL
FLASH FDL Ready!
Boot Ok!

FlashMode Set : Ok!

[FL] : Enabled NVM update. Will program all NVM images found in FW !

PMTManager : Load 0x28 records
PMTManager : PMT Update Ok!
Flashing now

[FlashProc] : NVM Update
Current ID : NV_WLTE
Current Part : l_fixnv1
[FlashProc] : Ok!

[FlashProc] : CODE
Current ID : PRODNV
Current File : prodnv.img
Flashing now ...
[FlashProc] : Ok!

[FlashProc] : ERASE
Current ID : ERASEUBOOT
Current Part : uboot
[FlashProc] : Ok!

[FlashProc] : BOOTCODE
Current ID : SPLLOADER
Current File : u-boot-spl-16k.bin
Flashing now ...
[FlashProc] : Ok!

[FlashProc] : CODE
Current ID : MODEM_WLTE
Current File : ltemodem.bin
Flashing now ...
[FlashProc] : Ok!

[FlashProc] : CODE
Current ID : DSP_WLTE_LTE
Current File : ltedsp.bin
Flashing now ...
[FlashProc] : Ok!

[FlashProc] : CODE
Current ID : DSP_WLTE_GGE
Current File : ltegdsp.bin
Flashing now ...
[FlashProc] : Ok!

[FlashProc] : CODE
Current ID : WARM_WLTE
Current File : ltewarm.bin
Flashing now ...
[FlashProc] : Ok!

[FlashProc] : CODE
Current ID : DFS
Current File : pmsys.bin
Flashing now ...
[FlashProc] : Ok!

[FlashProc] : CODE
Current ID : FDL_WCN
Current File : wcnfdl.bin
Flashing now ...
[FlashProc] : Ok!

[FlashProc] : CODE
Current ID : MODEM_WCN
Current File : wcnmodem.bin
Flashing now ...
[FlashProc] : Ok!

[FlashProc] : CODE
Current ID : BOOT
Current File : boot.img
Flashing now ...
[FlashProc] : Ok!

[FlashProc] : CODE
Current ID : TOS
Current File : tos_2g.bin
Flashing now ...
[FlashProc] : Ok!

[FlashProc] : CODE
Current ID : VMM
Current File : vmm.bin
Flashing now ...
[FlashProc] : Ok!

[FlashProc] : CODE
Current ID : RECOVERY
Current File : recovery.img
Flashing now ...
[FlashProc] : Ok!

[FlashProc] : IMAGE
Current ID : SYSTEM
Current File : system.img
Flashing now ...
[FlashProc] : Ok!

[FlashProc] : IMAGE
Current ID : USERDATA
Current File : userdata.img
Flashing now ...
[FlashProc] : Ok!

[FlashProc] : CODE
Current ID : BOOTLOGO
Current File : log.bmp
Flashing now ...
[FlashProc] : Ok!

[FlashProc] : CODE
Current ID : FASTBOOT_LOGO
Current File : log.bmp
Flashing now ...
[FlashProc] : Ok!

[FlashProc] : IMAGE
Current ID : CACHE
Current File : cache.img
Flashing now ...
[FlashProc] : Ok!

[FlashProc] : ERASE
Current ID : FLASH_WLTE
Current Part : l_runtimenv1
[FlashProc] : Ok!

[FlashProc] : ERASE
Current ID : ERASEMISC
Current Part : misc
[FlashProc] : Ok!

[FlashProc] : IMAGE
Current ID : PERSIST
Current File : persist.img
Flashing now ...
[FlashProc] : Ok!

[FlashProc] : CODE
Current ID : SYSINFO
Current File : sysinfo.img
Flashing now ...
[FlashProc] : Ok!

[FlashProc] : BOOTCODE
Current ID : UBOOTLOADER
Current File : u-boot.bin
Flashing now ...
[FlashProc] : Ok!


Elapsed: 00:04:32

Reconnect Power/Cable!