Oppo A15 (CPH2185) Password Remove Done By UAT Pro 
Code:
1. Power off device
2. Remove Install battery if needed
3. Connect USB cable to powered off device
4. For New sec. Press and Hold Both Volume keys for Brom Mode
5. For Old sec. Press and Hold Volume UP for Brom Mode
6. Do not press any Key for PreLoader Mode
7. Install drivers if needed
====================================
- Connection : Flash Mode
- Method : By Model
- Brand : OPPO
- Model : Oppo A15 (CPH2185)
- Process : Format | Factory Reset
====================================
Authenticating ... DONE
Initializing ... DONE
====================================
Waiting for device ...
Device found
MediaTek USB Port_V1632 (COM115)
Mode : BootRom
Port : COM115
Handshaking ... DONE
Initializing : DONE
Hw code: MT6765 - Helio P35/G35
Hw sub code: 8A00
Hw version: CA00
Sw version: 0000
Watchdog disable ... DONE
Protection disable ... DONE
Preparing Download Agent ...
DA Version : MTK_AllInOne_DA_v3.3001.12/30/2020.11:23_545866
Drivers : MediaTek Inc.
Driver Date : 01/22/2015
Driver Version : 3.0.1504.0
Handshaking : DONE
Loading Preloader : DONE
Booting device : DONE
Chip name : [MT6765]
Syncing with DA : DONE
Identifying Hardware ID ...
====================================
ChipID : MT6765
Software Ver : 0000
Hardware Ver : CA00
Secure Ver : 00
BootLdr Ver : 00
Ext RAM : 0xC0000000
SRAM : 0x0003A000
Storage : 0x0749400000
====================================
RAM Size : 3.000 GB
SRAM Size : 232.000 KB
Storage Size : 29.145 GB
Storage Type : EMMC
====================================
Getting partition details : DONE
Partition count : 47
Searching for required data... DONE
Formatting device ... DONE
All successfully done
Please disconnect device and reboot it manually
If device stuck on Logo, please use recovery to wipe it and reboot
UAT PRO : 145.01 | 14 - September - 2022 [ 3:49:30 PM ]
Elapsed Time : 7 seconds