It's the yellow icon with a white ghost inside. If you're still in the Memories area, tap the back button until you've returned to the main Snapchat screen. This is in the top-left corner of the screen when you open Snapchat. This is in the top-right corner of the page with your profile picture. This is located under the My Account tab on the Settings page. It’s crucial that you set up a Snapchat folder on your camera roll before this step because no photos will show up when you pick this option if there isn’t a Snapchat folder on your phone or tablet. If you want to add all the photos from your camera roll to Snapchat, tap the red select all option at the top-center of the page. This is a red button below the photos that’ll sync the photos you’ve selected from your camera roll to your Snapchat account
स्नैपचैट खोलें: अपने प्रोफाइल पिक्चर पर टैप करें:  नीचे स्क्रॉल करें और Memories चुनें: Import Snaps From Camera Roll आपको जो कैमरा रोल के फोटोज स्नैपचैट अकाउंट में बैकअप करने हैं उन्हें चुनें: Import [number] Snaps