DEMO Removal VIVO Y20 PD2034F .... not done

[tintome]

Model : Y20 (PD2034F)
Operation : Factory Format
Checking for existing devices...Not Found
Turn Off phone, hold Vol UP + Vol DOWN and insert USB cable.
Some phones may need Special Boot Cable or TestPoint for EDL mode.
Found Port : Qualcomm HS-USB QDLoader 9008 (COM92)
Driver Info : Network Connect, qcusbser.sys, 3.0.0.0
Connecting to phone...OK
Waiting for response...OK
Init Handshake Sequence...OK
Hardware ID : E1601300 [SDM460] 03007300
OPK_DATA : F754F13EE91BF54295CA1FBD64D182067440B35FC41B798A53 9670EA259771BA
Initializing Protocol...OK
Preparing Loader...Done
Sending Loader [PD2034F]...Done
Executing Loader...OK
Initiazling Storage...OK
Read : Protected
Write : Protected
Alt. Write : Blocked
Alt. Write is blocked, will use Erase Method...Done
Operation Finished.
QcFire Ver. 7.3



Device : Vivo Y20 (PD2034F)
Operation : Format FS 2 (Vivo)
Checking for existing devices...Not Found
Turn Off phone, hold Vol UP + Vol DOWN and insert USB cable.
Some phones may need Special Boot Cable or TestPoint for EDL mode.
Found Port : Qualcomm HS-USB QDLoader 9008 (COM92)
Driver Info : Network Connect, qcusbser.sys, 3.0.0.0
Connecting to phone...OK
Waiting for response...OK
Init Handshake Sequence...OK
Hardware ID : E1601300 [SDM460] 03007300
OPK_DATA : F754F13EE91BF54295CA1FBD64D182067440B35FC41B798A53 9670EA259771BA
Initializing Protocol...OK
Using Auto Loader Selection [4]
No compatible loader found. Device may not boot with this loader.
Preparing Loader...Done
Sending Loader [SDM460]...Write Error!
Please use correct loader and check USB port / cable.
Operation Finished.
QcFire Ver. 7.3