Is my xperia z2 still waterproof after the back of the phone broken?!

[Cliffwillems]

Hello fellow xperia z2 users. As the titel already said; is my xperia z2 still waterproof if i have some cracks on the back of the phone? The rest of my phone is still intact.

Hope to hear from you,

Cliff

[AliRaza2]

My z2 is facing a crack below the nfc chip horizontaly,is it still warteproof?

[AliRaza2]

If i replace its back pannel will it be waterproof or not?