mi account not removed why?

Action : Reset all to default
Brand: Xiaomi
Model: Common (MTK)
Tips:
1.Remove Battery, Insert usb cable, Insert battery [Preloader Mode]
2.power off Phone, Remove & Reinsert Battery , insert USB Cable [Preloader Mode]
(In Case Some Phone Required to hold bootkey) [BROM Mode]
Waiting for Phone Usb (Press "F2" to activate fast scan mode)...
HID: USB\VID_0E8D&PID_2000&REV_0100
FNM: MediaTek PreLoader USB VCOM (Android) (COM11)
Phone found [ USB Port:COM11 ]
Connecting...
Connection Done.
Read CPU Info...
CPU_SW: 0000
CPU_HW: CA00
CPU_ID: 6795
BV: 01
SecConf: 00000000
uploading boot image to RAM...
Handshake received from Phone.
Detected eMMC FlashType.
uploading boot image to RAM...
Handshake Received from Phone.
eMMC cid: 110100303136473732
CHIP : MT67950000
CPU ID :
EMMC ID : 110100303136473732
EMMC Size: 16GB, usable capacity: 14.68GB
EMMC Name: eMMC_Toshiba_016G72
Read Hardware Information is done.

Formatting ...
Format done

Action completed
Time taken : 00:00:39
Reconnect Battery/USB Cable
CS-Tool Ver 1.38.2