Latest Instagram 8 user agents:

User Agent Platform Device
Mozilla/5.0 (Linux; U; Android 4.2.2; en-us; Micromax A77 Build/JDQ39) AppleWebKit/534.30 (KHTML, like Gecko) Version/4.0 Mobile Safari/534.30 Instagram 8.3.0 Android (17/4.2.2; 240dpi; 480x854; Micromax; Micromax A77; A77; mt6572; en_US) Android 4 A77
Mozilla/5.0 (Linux; U; Android 4.1.2; en-us; SCH-I200PP Build/JZO54K) AppleWebKit/534.30 (KHTML, like Gecko) Version/4.0 Mobile Safari/534.30 Instagram 8.5.2 Android (16/4.1.2; 240dpi; 480x800; samsung/Verizon; SCH-I200PP; jaspervzw; qcom; en_US) Android 4 Galaxy Stellar
Mozilla/5.0 (Linux; Android 6.0.1; SM-G935T Build/MMB29M; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/51.0.2704.81 Mobile Safari/537.36 Instagram 8.4.0 Android (23/6.0.1; 560dpi; 1440x2560; samsung; SM-G935T; hero2qltetmo; qcom; en_US Android 6 Galaxy S7 Edge
Mozilla/5.0 (Linux; Android 6.0.1; 0PM92 Build/MMB29M; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/51.0.2704.81 Mobile Safari/537.36 Instagram 8.3.0 Android (23/6.0.1; 320dpi; 720x1184; HTC/htc; 0PM92; htc_a32ewhl; htc_a32e; en_US) Android 6 Desire 626s
Mozilla/5.0 (Linux; Android 4.4.3; HTC Desire 612 Build/KTU84L) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/33.0.0.0 Mobile Safari/537.36 Instagram 8.4.0 Android (19/4.4.3; 240dpi; 540x888; HTC/htc; HTC Desire 612; htc_a3qhdcl; qcom; es Android 4 Desire 612
Mozilla/5.0 (Linux; Android 4.4.2; 0PCV1 Build/KOT49H) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/30.0.0.0 Mobile Safari/537.36 Instagram 8.4.0 Android (19/4.4.2; 240dpi; 480x782; HTC/htc; 0PCV1; htc_a11chl; qcom; en_US) Android 4 Desire 510
Instagram 8.5.1 Android (25/7.1.2; 192dpi; 720x1280; google; G011A; G011A; qcom; en_US) Android 7 Pixel 2
Instagram 8.2.0 Android (18/4.3; 320dpi; 720x1280; Xiaomi; HM 1SW; armani; qcom; en_US) Android 4 Redmi 1S