ViVO Y17s-Repair iMEi

This Method 

Work Only Following Chip 

#Y2P032

#Y2P064

#Y2P0128

#Micron

#Toshiba

#Kingstone


(STEP1)

First Connect ISP Check Chip Name
 If Found Matched Chip Do✅

(Step2)
Backup Nvdata Nvram✅

(Step3)
Now Do RPMB Counter 0 16MB Method✅ 

if You dont Know How To Make Counter 0 Here Tutorial
 
See Video

(Step 4)
Full Flash Firmware [Unmark Userdata]✅

When Flashing Done✅

Popup Format Userdata F2FS Click Yes✅

Note:Few Model Restart /Bootloop After Flashing Just Go 
Recovery Model Update Via Wifi Fixed Issue 
(Installing Time Any Error Just Reboot ]✅

Phone Setup Full Check Security Now *#06#
 0000000000000✅

Now Open Scorpion Tool Edit
Patch Nvdata Nvram With Custom IMEI ✅

After patch Done Connecte ISP ✅

Wtite Only NVdata✅
 [Dont Write Nvram]⛔

Disconnect ISP Enjoy Update Reset 

All Ok✅✅