[Q] problem of bootloader and installing custom recovery in gt-i8552 topic

i use Vol Down+Menu+Power buttons to go bootloader mode but it can't go to bootloader and its normal boot then i try with adb reboot bootloader command in pc.it boot in fastboot mode then i flash recovery by fastboot flash recovery recovery.img then error show on mobile and pc cmd partition recovery not support flash but how can i install custom recovery please help me:confused:

Note : odin not detected my device in any mode

thanks in advance:good: