Redmi 9a mi account and frp removed with hydra mtk module 
Code:
Hydra MediaTeK Tool Ver 1.0.3 Build 71
Windows 7 Service Pack 1 (Version 6.1, Build 7601, 64-bit Edition)
Intel(R) Core(TM) i3 CPU M 380 @ 2.53GHz
Standard VGA Graphics Adapter
Ram Installed : 3 GB
Windows Access Right : Admin
Software Run As Admnistrator
******* Dongle Info *******
Version : Hydra Tool v 1.2
Serial : 190300000281
Initialize : OKAY
Status : Activated
Life : 0 [0-0-0-0-0]
=====================================
Searching for MTK Device...Found
Port Identification :Flashmode BROM
FriendlyName :MTK USB Port (COM70)
Device :6&28c53095&0&1
SymbolicName :\??\USB#VID_0E8D&PID_0003#6&28c53095&0&1#{a5dcbf10-6530-11d2-901f-00c04fb951ed}
Driver Ver :01/05/2012, 2.0000.0.1
Opened handle..
Handshaking...Ok
Identifying Hardware ID.....
Reading Device hardware info..
hw code : 0766MT6765 [6765]
hw subcode : 8A00
hw version : CA00
sw version : 0000
Target config : E7
SBC : 01 (True)
SLA : 02 (True)
DAA : 04 (True)
SWJTAG : 06 (True)
EPP : 00 (False)
CERT : 00 (False)
MEMREAD : 20 (True)
MEMWRITE : 40 (True)
CMD_C8 : 80 (True)
Exploiting Device...
Exploit Sent..
Successfully Exploited...
Handshaking...Ok
C:\Hydra Tool\Backup\Preloader_dump\prel.tmp
Handshaking...
Identifying Hardware ID.....
Reading Device hardware info..
hw code : 0766MT6765 [6765]
hw subcode : 8A00
hw version : CA00
sw version : 0000
Target config : 00
SBC : 00 (False)
SLA : 00 (False)
DAA : 00 (False)
SWJTAG : 00 (False)
EPP : 00 (False)
CERT : 00 (False)
MEMREAD : 00 (False)
MEMWRITE : 00 (False)
CMD_C8 : 00 (False)
MEID : DA58AF02C9F35DD3CFDD21DD113592BF
Stage 1..[Size:216440]
Sending : Please wait.. Accepted
Identifying Protocol...
Protocol : New
Synchronization...SYNC
Preloader Initialization...
Parsing prel.tmp
Init : Accepted
Executing : SYNC
Reading Device UniqueID, RAM and Flash Chip Info...
UNIQUE ID : 35D8893007EF5E0695EAE3E9C2C69F02
ERAM Size : 0x0000000000038000 -224 KB
IRAM Size : 0x0000000080000000 -2 GB
eMMC BOOT1 : 0x0000000000400000 -4 MB
eMMC BOOT2 : 0x0000000000400000 -4 MB
eMMC RPMB : 0x0000000000400000 -4 MB
eMMC USER : 0x0000000747C00000 -29.121 GB
eMMC CID : 150100424A5444345209798E4C742841 - BJTD4R
Executing : ACCEPTED...
Reading GPT-EMMC [0x00008000] 130 Items
Autobackup Partitions
-preloader[0x00000000]512 KB ->preloader.bin...Ok
-> Renaming Preloader.... preloader_k62v1_64_bsp.bin
Creating Scatter file... C:\Hydra Tool\\Backup\Auto\0766__101621181106\MT6765_Android_scatter.txt
-pgpt[0x00000000]32 KB ->pgpt.bin...Ok
-frp[0x3BD88000]1024 KB ->frp.bin...Ok
-nvdata[0x3DE88000]64 MB ->nvdata.bin...Ok
-protect1[0x45522000]8 MB ->protect1.bin...Ok
-protect2[0x45D22000]10.867 MB ->protect2.bin...Ok
-persist[0x47000000]48 MB ->persist.bin...Ok
-nvram[0x52E80000]64 MB ->nvram.bin...Ok
Done!!!
C:\Hydra Tool\\Backup\Auto\0766__101621181106
MTK Phone Loader is NOW RUNNING.
Reading Device UniqueID, RAM and Flash Chip Info...
UNIQUE ID : 35D8893007EF5E0695EAE3E9C2C69F02
ERAM Size : 0x0000000000038000 -224 KB
IRAM Size : 0x0000000080000000 -2 GB
eMMC BOOT1 : 0x0000000000400000 -4 MB
eMMC BOOT2 : 0x0000000000400000 -4 MB
eMMC RPMB : 0x0000000000400000 -4 MB
eMMC USER : 0x0000000747C00000 -29.121 GB
eMMC CID : 150100424A5444345209798E4C742841 - BJTD4R
Reading GPT-EMMC [0x00008000] 130 Items
-------------------------------------
Operation : Remove MiAccount[Erase Method]
Processing...
-persist.bin[0x47000000]48 MB ->persist.bin...Ok
-frp.bin[0x3BD88000]1024 KB ->frp.bin...Ok
Action Result : Ok
Elapsed Time : 00:01:09 FRP
Code:
Hydra MediaTeK Tool Ver 1.0.3 Build 71
Windows 7 Service Pack 1 (Version 6.1, Build 7601, 64-bit Edition)
Intel(R) Core(TM) i3 CPU M 380 @ 2.53GHz
Standard VGA Graphics Adapter
Ram Installed : 3 GB
Windows Access Right : Admin
Software Run As Admnistrator
******* Dongle Info *******
Version : Hydra Tool v 1.2
Serial : 190300000281
Initialize : OKAY
Status : Activated
Life : 0 [0-0-0-0-0]
=====================================
Searching for MTK Device...Found
Port Identification :Flashmode BROM
FriendlyName :MTK USB Port (COM70)
Device :6&28c53095&0&1
SymbolicName :\??\USB#VID_0E8D&PID_0003#6&28c53095&0&1#{a5dcbf10-6530-11d2-901f-00c04fb951ed}
Driver Ver :01/05/2012, 2.0000.0.1
Opened handle..
Reading Device UniqueID, RAM and Flash Chip Info...
UNIQUE ID : 35D8893007EF5E0695EAE3E9C2C69F02
ERAM Size : 0x0000000000038000 -224 KB
IRAM Size : 0x0000000080000000 -2 GB
eMMC BOOT1 : 0x0000000000400000 -4 MB
eMMC BOOT2 : 0x0000000000400000 -4 MB
eMMC RPMB : 0x0000000000400000 -4 MB
eMMC USER : 0x0000000747C00000 -29.121 GB
eMMC CID : 150100424A5444345209798E4C742841 - BJTD4R
Reading GPT-EMMC [0x00008000] 130 Items
-------------------------------------
Operation : Auto
Processing...
ZeroWipe FRP Partition...
Action Result : Ok
Elapsed Time : 00:00:01