If you by mistake deleted photos from Asus ZenFone, do not worry, you can recover deleted photos from Asus ZenFone with photo recovery software.
Here's a step by step guide you can follow: Asus phone photo recovery
The Asus phone photo recovery software is easy to use. You can recover deleted photos from all Asus phones, such as Asus Zenfone 3 Max ZC520TL, Zenfone Live ZB501KL, Zenfone 3 ZE552KL, Zenfone 2 ZE551ML, Zenfone 3 Max ZC553KL, Zenfone Max ZC550KL, Zenfone 3 Zoom ZE553KL, Zenfone 5 A500CG, Zenfone Go ZC500TG, Zenfone 3 Laser ZC551KL, Zenfone AR ZS571KL, Zenfone Selfie ZD551KL, Zenfone 2 Laser ZE500KL, Zenfone C ZC451CG, Zenfone 3 ZE520KL, Zenfone 4, Zenfone 3s Max ZC521TL, etc. You can recover not only deleted photos from Asus phone, but also lost photos after Asus phone memory card reformat.
Undo delete SD card
How to recover photos from Android phones
Android data recovery