Latest Viber 11 user agents:

User Agent Platform Device
Viber/11.9.0.7 CFNetwork/889.9 Darwin/17.2.0 iOS 11 Unknown
Mozilla/5.0 (Linux; U; Android 4.2.2; ru-ru; LGL23 Build/JDQ39B) AppleWebKit/534.30 (KHTML, like Gecko) Version/4.2 Mobile Safari/534.30 Viber/11.6.3.4 Android 4 G Flex
Mozilla/5.0 (Linux; U; Android 4.2.2; ru-ru; IdeaTab S6000-F Build/JDQ39) AppleWebKit/534.30 (KHTML, like Gecko) Version/4.0 Safari/534.30 Viber/11.8.1.1 Android 4 IdeaTab S6000
Mozilla/5.0 (Linux; U; Android 4.2.2; ru-ru; ALCATEL ONE TOUCH 7047D Build/JDQ39) AppleWebKit/534.30 (KHTML, like Gecko) Version/4.2 Mobile Safari/534.30 Viber/11.8.1.1 Android 4 One Touch 7047D
Mozilla/5.0 (Linux; Android 8.1.0; meizu note8 Build/OPM1.171019.026; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/68.0.3440.91 Mobile Safari/537.36 Viber/11.7.0.5 Android 8 Note 8
Mozilla/5.0 (Linux; Android 8.1.0; meizu C9 Build/OPM2.171019.012; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/75.0.3770.101 Mobile Safari/537.36 Viber/11.7.0.5 Android 8 C9
Mozilla/5.0 (Linux; Android 8.1.0; Lenovo L38041 Build/OPM1.171019.019; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/68.0.3440.91 Mobile Safari/537.36 Viber/11.7.0.5 Android 8 K5 Pro
Mozilla/5.0 (Linux; Android 8.1.0; AGM A9 ru Build/OPM1.171019.019; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/75.0.3770.101 Mobile Safari/537.36 Viber/11.9.1.1 Android 8 A9
Mozilla/5.0 (Linux; Android 8.0.0; moto e5 plus Build/OPP27.91-179; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/68.0.3440.91 Mobile Safari/537.36 Viber/11.7.0.5 Android 8 Moto E5 Plus
Mozilla/5.0 (Linux; Android 7.7.6; CIOU2JL Build/EZ5BI) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/33.0.0.0 Mobile Safari/537.36 Viber/11.6.2.4 Android 7 EZ5BI
Mozilla/5.0 (Linux; Android 7.1.2; SM-N9208F Build/N2G48H; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/66.0.3359.158 Safari/537.36 Viber/11.9.5.8 Android 7 Galaxy Note 5 Duos
Mozilla/5.0 (Linux; Android 7.1.2; G011A Build/N2G48H; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/66.0.3359.158 Safari/537.36 Viber/11.9.5.8 Android 7 Pixel 2
Mozilla/5.0 (Linux; Android 7.0; LGUS215 Build/NRD90U; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/55.0.2883.91 Mobile Safari/537.36 Viber/11.9.1.1 Android 7 K8 (2018)
Mozilla/5.0 (Linux; Android 7.0; Impress_Luck Build/NRD90M; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/74.0.3729.157 Mobile Safari/537.36 Viber/11.6.2.4 Android 7 Impress Luck
Mozilla/5.0 (Linux; Android 7.0; BQru-4526 Build/NRD90M; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/58.0.3029.83 Mobile Safari/537.36 Viber/11.9.5.0 Android 7 Fox
Mozilla/5.0 (Linux; Android 7.0; BQ-5701L Build/NRD90M; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/78.0.3904.90 Mobile Safari/537.36 Viber/11.9.5.0 Android 7 Slim
Mozilla/5.0 (Linux; Android 6.0; X5max Build/MRA58K; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/44.0.2403.119 Mobile Safari/537.36 Viber/11.6.2.4 Android 6 X5max
Mozilla/5.0 (Linux; Android 6.0; Nomi_i4510 Build/MRA58K; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/50.0.2661.86 Mobile Safari/537.36 Viber/11.9.1.1 Android 6 Beat M
Mozilla/5.0 (Linux; Android 6.0; M5s Build/MRA58K; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/44.0.2403.147 Mobile Safari/537.36 Viber/11.7.0.5 Android 6 M5S
Mozilla/5.0 (Linux; Android 5.1; Valencia2_Y100pro Build/LMY47D) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/39.0.0.0 Mobile Safari/537.36 Viber/11.8.1.1 Android 5 Valencia2 Y100 Pro