I was trying to root my huawei y6 || [cam L21] so I unlocked bootloader code,installed TWRP and download Magisk.zip file.When I tried to install Magisk.zip there was no file and internal storage show 0 mb !I googled this problem and someone said to do TWRP > Wipe, tap “Format Data”, and type “yes” ! after I did My phone is not showing anything

I can switch on my phone but its showing blank screen ..not coming my phone's home page .. Please help meeeee
*sorry for my bad English.I hope you understand my problem !