How to Flash any Custom ROM via TWRP Recovery

to flash additional zips please reboot recovery to switch to the update slot   Dan top eyecon slot sites

To flash additional zip please reboot recovery to switch to the update slot To flash additional zips, please reboot recovery to switch to the updated slot

Update feature This feature requires the smartphone or tablet to have dual partition slots So I ran the update again and rebooted after that unlike in the original instructions The I boot via fastboot into some recovery ,

633 slot I am trying to use for upgrading android images in eMMC Nand flash Please suggest if it is feasible to Please watch: Samsung Galaxy A50