Samsung A12 came in lost mode
No wipe data factory reset option in revocery mode
Phone not allow to flash in download mode
Finally Bootloader unlock done one click by CM2
Here is log
Operation : Unlock BootLoader [ v2.26 ]
1. Make sure device is powered off. Power off, if need. Wait 20 seconds after
2. Insert USB cable in phone
Waiting for device connection ...
PTFN : MediaTek USB Port (COM21)
MODE : BOOTROM
PORT : 21
Waiting BOOT ack ...
BROM : Skip ACK verify
BROM : Init BROM
BROM init passed!
CHIP : MT6765 , SBID : 0x8A00 , HWVR : 0xCA00 , SWVR : 0x0000
CODE : Cervino
TYPE : MODERN [RAPHAEL]
BROM : MEID : D602642C41DFFEC93AB6F9753A70439B
BROM : SecLevel : 0x000000E5
BROM : SecMode : SBC+SDA+EXT
BROM : BROM|BL : 0x05|0xFE
BROM : BOOTROM
BROM : SOCID : 686CB019E993456DCDFFF65A8F4C9201B1B5C2F5F22C80B40066D6FEA9E9B314
BROM : Sending FireFly
FireFly : Starting ...
FireFly : Init Core
FireFly : Core init done!
FireFly : Running : v03.04.03 on MT6765
FireFly : eMMC init passed!
EMMC: CSD : D04F01328F5913FFFFFFFFEF8A400083
EMMC: CSD : TEMP_WRITE_PROTECT: False
EMMC: CSD : PERM_WRITE_PROTECT: False
EMMC: CID : 13014E47314A395238100E54BC9D18B7
EMMC: VEN : MICRON : OEM : 78 : ID : 47314A395238
EMMC: VEN : MICRON : G1J9R8
EMMC: SNN : 240434333 ( 0x0E54BC9D) , MF : 1/2021
EMMC: EXTCSD : rev1.8 ( eMMC 5.1 )
EMMC: EXTCSD [BOOT_BUS_WIDTH] : 0x02
EMMC: EXTCSD [PARTITION_CONFIG] : 0x48
EMMC: EXTCSD [SIZE] : Market : 64 GB
EMMC: EXTCSD [SIZE] : Actual : 0xE8F800000 [ 58.24 GB ]
EMMC: EXTCSD [EOL] : EOL status : Normal ( Less than 80% reserved blocks used )
EMMC: EXTCSD [EOL_A] : SLC status : 0% - 10% used
EMMC: EXTCSD [EOL_B] : MLC status : 0% - 10% used
EMMC:
BOOT1 : 0x00400000 [ 4.00 MB ]
BOOT2 : 0x00400000 [ 4.00 MB ]
USER : 0xE8F800000 [ 58.24 GB ]
DA : USB : HIGH-SPEED
Boot done!
Product Brand : samsung
Product Device : a12
Product Model : SM-A125F
Product Name : a12nsxx
Patch Level : RP1A.200720.012
Display ID : RP1A.200720.012.A125FXXU1BUE4
Build Time : 06.05.2021
Ver. CodeName : REL
Ver. Release : 11
Sec. Patch : 2021-05-01
Product Info : a12
Product Board : k65v1_64_bsp_titan_rat
Board Platform : mt6765
Product Manfct : samsung
BootLoader State : Locked!
BootLoader State : Unlocked!
Done!
Elapsed: 00:04:23
My Test report is that userdata safe is not working
Have to factory reset phone
No wipe data factory reset option in revocery mode
Phone not allow to flash in download mode
Finally Bootloader unlock done one click by CM2
Here is log
Operation : Unlock BootLoader [ v2.26 ]
1. Make sure device is powered off. Power off, if need. Wait 20 seconds after
2. Insert USB cable in phone
Waiting for device connection ...
PTFN : MediaTek USB Port (COM21)
MODE : BOOTROM
PORT : 21
Waiting BOOT ack ...
BROM : Skip ACK verify
BROM : Init BROM
BROM init passed!
CHIP : MT6765 , SBID : 0x8A00 , HWVR : 0xCA00 , SWVR : 0x0000
CODE : Cervino
TYPE : MODERN [RAPHAEL]
BROM : MEID : D602642C41DFFEC93AB6F9753A70439B
BROM : SecLevel : 0x000000E5
BROM : SecMode : SBC+SDA+EXT
BROM : BROM|BL : 0x05|0xFE
BROM : BOOTROM
BROM : SOCID : 686CB019E993456DCDFFF65A8F4C9201B1B5C2F5F22C80B40066D6FEA9E9B314
BROM : Sending FireFly
FireFly : Starting ...
FireFly : Init Core
FireFly : Core init done!
FireFly : Running : v03.04.03 on MT6765
FireFly : eMMC init passed!
EMMC: CSD : D04F01328F5913FFFFFFFFEF8A400083
EMMC: CSD : TEMP_WRITE_PROTECT: False
EMMC: CSD : PERM_WRITE_PROTECT: False
EMMC: CID : 13014E47314A395238100E54BC9D18B7
EMMC: VEN : MICRON : OEM : 78 : ID : 47314A395238
EMMC: VEN : MICRON : G1J9R8
EMMC: SNN : 240434333 ( 0x0E54BC9D) , MF : 1/2021
EMMC: EXTCSD : rev1.8 ( eMMC 5.1 )
EMMC: EXTCSD [BOOT_BUS_WIDTH] : 0x02
EMMC: EXTCSD [PARTITION_CONFIG] : 0x48
EMMC: EXTCSD [SIZE] : Market : 64 GB
EMMC: EXTCSD [SIZE] : Actual : 0xE8F800000 [ 58.24 GB ]
EMMC: EXTCSD [EOL] : EOL status : Normal ( Less than 80% reserved blocks used )
EMMC: EXTCSD [EOL_A] : SLC status : 0% - 10% used
EMMC: EXTCSD [EOL_B] : MLC status : 0% - 10% used
EMMC:
BOOT1 : 0x00400000 [ 4.00 MB ]
BOOT2 : 0x00400000 [ 4.00 MB ]
USER : 0xE8F800000 [ 58.24 GB ]
DA : USB : HIGH-SPEED
Boot done!
Product Brand : samsung
Product Device : a12
Product Model : SM-A125F
Product Name : a12nsxx
Patch Level : RP1A.200720.012
Display ID : RP1A.200720.012.A125FXXU1BUE4
Build Time : 06.05.2021
Ver. CodeName : REL
Ver. Release : 11
Sec. Patch : 2021-05-01
Product Info : a12
Product Board : k65v1_64_bsp_titan_rat
Board Platform : mt6765
Product Manfct : samsung
BootLoader State : Locked!
BootLoader State : Unlocked!
Done!
Elapsed: 00:04:23
My Test report is that userdata safe is not working
Have to factory reset phone