vivo 1902 pattern unlock without userdata loss Thanks NCK Box [USER REPORT] ★★★★★
 

[VIVO MODE]Action: Reset To Factory.
Selected 0-By CPU:ELBRUS
Exe version: NCKBox AndroidMTK 2.9.5
Phone must be off with battery inside.
Battery must be charged
Please connect phone in brom mode
For some phones need to keep "VOL-" button untill inserting USB cable.
For some phones need to keep "VOL+ and VOL-" button untill inserting USB cable.
For some phones need to keep "VOL+" button untill inserting USB cable.
Detected(18) : MediaTek USB Port_V1632 (COM18)
[18] \\?\usb#vid_0e8d&pid_0003#5&94b8c27&0&8#{a5dcbf10-6530-11d2-901f-00c04fb951ed}
CPU: MT6765 CPU code: 766 Target config: e5
Secure boot enabled: true
Need serial link authorization: false
Need download agent authorization true
Executing exploit, do not disconnect phone
Exploit has been executed successfully.
Dumping phone preloader.
Waiting for handle to become active......
Reseived active handle repply from phone......
Booting phone
Detected(18) : MediaTek USB Port_V1632 (COM18)
[18] \\?\usb#vid_0e8d&pid_0003#5&94b8c27&0&8#{a5dcbf10-6530-11d2-901f-00c04fb951ed}
Boot mode: Brom
Phone detected...Please wait
BBCHIP: 6765 0 ca00
Using Algo 1.
Helio MT6765 phone detected, swithing to helio api
Helio enabled DRAM in First Da: FALSE
Sending loader.....
BBCHIP MT6765
[1]Storage EMMC
EMMC FW VERSION: 00:00:00:00:00:00:00:00
EMMC CID: 15010044563644 : 000000000000000000
EMMC UA SIZE: 0x1d1ec00000
BOOT STYLE: EMMC BOOT
FULL LENGTH: 0x1d20400000 [116.504 GB]
Status: USB_HIGH_SPEED
Detecting high speed port, wait......
If driver not installed, install high speed port driver.
If not need high speed port, disable it.
After repeat opperation.
Detected(11) : MediaTek DA USB VCOM (Android) (COM11)
[11] \\?\usb#vid_0e8d&pid_2001#5&94b8c27&0&8#{a5dcbf10-6530-11d2-901f-00c04fb951ed}
Resetting userdata.
[--0] writing to cache
[helio]Please power phone in recovery mode(VOL +) to complete action.
[0]All done.