VIVO Y1S 2015 Flash File 100% Firmware Tested
Dear Respected Visitors Welcome to Admin Gsm Borhan Which Provides All kinds of Android Firmware Flash Files. In this post, We have shared VIVO Y1S 2015 Flash File Firmware With Manual Flashing Instructions. VIVO Y1S 2015 Firmware Also Contains a Flash Tool and USB Driver. We have Uploaded the VIVO Y1S 2015 Stock Firmware ROM after being Tested. many times.
This Firmware is Not Without a Password or is Free. This Rom is Only For Paid Premium
Admin: GSM BORHAN
Call: 01884821503 –Bkash 01854302180
To use the new solution you MUST install the UsbDk_1.0.22 driver before running the software. Install UsbDk_1.0.22_x86.msi on 32-bit system and install UsbDk_1.0.22_x64.msi on 64-bit system.
Connect the Box / Dongle to the PC USB port and launch the Software
Select "MTK" platform from the tab menu in the upper left side of the software
Go to the "Service" tab
Press the "Bypass boot authorization" button
Connect the phone according to software prompts
The message "Done" indicates that the procedure was completed successfully
The boot authorization is disabled until you disconnect the cable.