please please please learn that your phone should only store photo's temporarily or with a copy elsewhere, assume that your photo's on your phone will be lost tomorrow, what would you do today to prevent this?
You may think this is extreme, but we get many people every day asking 'i've lost my phone how do i find it' we cannot help and everything on that phone is lost, drop the phone in a puddle, everything is lost, leave it in a taxi, lost, have is stolen, lost, electrically fails, lost. you get the idea, move them off memory cards and off phones onto a cloud storage platform, or a hdd, memory stick, something else.