Caution: We do NOT recommend flashing the preloader.bin on the Vivo devices, as it may brick the device. Therefore, we recommend you untick the preloader option using the SP Flash Tool before flashing it.
[*] Backup: We recommend taking a backup of your data from the device before flashing or writing the Stock Firmware or IMEI because flashing the stock firmware or IMEI may wipe your data from the device.
how to flash flash vivo y91c 1820 download firmware stock rom link below xtract with winrar or 7zip install (mediatak) mtk usb drivers then open sp flash tool add scatter file press on download button connect phone in off mode wait for done
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