Vivo Y15s V2120 FRP 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 : VIVO
- Model : Y15s V2120
- Process : Reset FRP
====================================
Authenticating ... DONE
Initializing ... DONE
====================================
Waiting for device ...
Device found
MediaTek PreLoader USB VCOM_V1632 (Android) (COM101)
Mode : PreLoader
Port : COM101
Handshaking ... DONE
Jumping to brom : DONE
Searching device on brom port
Device found
MediaTek PreLoader USB VCOM_V1632 (Android) (COM101)
Mode : PreLoader
Port : COM101
Device failed to be on brom port
Trying to proceed on existing port
Preparing Download Agent ...
DA Version : MTK_AllInOne_DA_v3.3001.2018/03/20.21:08_402229+403250
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 : 0x30000000
SRAM : 0x00040000
Storage : 0x0749400000
====================================
RAM Size : 768.000 MB
SRAM Size : 256.000 KB
Storage Size : 29.145 GB
Storage Type : EMMC
====================================
Getting partition details : DONE
Partition count : 47
Searching FRP data... DONE
Resetting FRP...
USING ALGO - 1
Reset FRP DONE
Please disconnect device and reboot it manually
UAT PRO : 146.02 | 02 - October - 2022 [ 1:27:47 PM ]
Elapsed Time : 6 seconds