ANSWER:

You must delete all her photos from your phone and everywhere else as women must not be filmed or photographed and keeping the photos of the deceased is totally prohibited.  

Kindly refer to the following link(s):

 

My iman is getting reduced from few days. I started obeying commands of Satan. And after obeying commands I cry thinking why did I do that I used to love my grandmother so much. She died one year ago. I have lot of images of her in my phone Can I look at her photo for remembering death