Oppo A57 CPH 1701 pattern lock not remove by new version

Version : 1

*** STORAGE DEVICE INFO ***
Memory Type : eMMC
Block Size in Bytes : 512
Page Size : 512
Manufacturer ID : 144
Serial Number : 676562362
Firmware Version : 165
Product Name : HBG4a2
Physical Partitions : 3
Total Logical Blocks:
Storage [0] 61071360[29.121 GB]
Storage [1] 8192[4 MB]
Storage [2] 8192[4 MB]
Running : Ok

Phone Information........
Model : CPH1701
Brand : OPPO
Android Ver : 6.0.1
Board : QC_Reference_Phone
Display ID : CPH1701EX_11_A.34_180806
Security Patch : 2018-05-05
Emmc_size : 16GB
Platform : msm8937
Kernel ID : 2018-05-05
Marketname : OPPO A57
OTA Version Name : CPH1701EX_11_A.34_180806
SYS USB CONFIG :
FRPPST : /dev/block/bootdevice/by-name/config

======================================
Formatting Userdata...Ok
Restarting Phone...Ok
All Done
======================================
Elapsed Time : 00:00:05



i try with format user data only and ultra power option but pattern no removed.