mobile

i was trying to unlock Bootloader on my Xperia E C1504 i spent hours trying to do it
for the first i went to sony developers website i got unlock key i tried to use it on cmd
i booted into fastboot on my phone and downloaded android sdk and i opened cmd and tybed
>fastboot devices
then nothing came up then i tybed the command with unlock code they gave me
and it stuck at waiting for device
then i downloaded sony bootloader unlock and it stucked at fetching unlock data
could you help me because i,m so confused