DOWNLOAD
Loader: prog_emmc_firehose_8917_ddr_vivo_y53.mbn
Driver: driver_qualcomm_9008.rar
Tool: RBSoft_V1.6_Mobile_Tool
Backup link: https://www.fshare.vn/file/ZZN2ZJINH51G
TUTORIAL
B1: Download the tool, extract and install with the password in the txt file
B2: Register yourself for an RBsoft account and some mail to activate
B3: Open the tool with Admin (Run as administrator) so that it does not get an error "Can’t create process!"
B4: Download the MBN file above, open the tool to select the file as shown below:
If you clear the screen password, click "Format Userdata", turn off the phone, hold down the Volume Up and Down buttons and connect the cable to the computer, the tool will take a few seconds to finish.
If you encounter difficulties during the repair process, leave a comment below for assistance.
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Good luck!