Plz help and reply my meizu m2 recovery is lost

My meizu has no recovery and apps are also not installing in my phone ,how can i fix it,i am using flyme 6.6.12 and this is  outdated so how can i flash new update of flyme my phone is not rooted

Meizu m3s

You will need to flash recovery.img to regain recovery. You may try to flash firmware with fireflash, but without access to recovery if flash fails you will not be able to recovery phone (the must have preloader and recovery removed)

Sir please tell me
Step by step how can i fix, i try to flash recovery but it fails
Can i flash stock rom to fix it

Looks like your connection to Meizufans was lost, please wait while we try to reconnect.