Latest Primux UP user agents:

User Agent	Browser	Platform
Mozilla/5.0 (Linux; Android 4.4.2; PrimuxUP) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/76.0.3809.89 Safari/537.36	Chrome 76	Android 4
Mozilla/5.0 (Linux; Android 4.4.2; PrimuxUP Build/KVT49L) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/30.0.0.0 Safari/537.36	Chrome Webview 30	Android 4
Mozilla/5.0 (Linux; Android 4.4.2; PrimuxUP Build/KVT49L) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/68.0.3440.91 Safari/537.36	Chrome 68	Android 4
Mozilla/5.0 (Linux; Android 4.4.2; PrimuxUP Build/KVT49L) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/66.0.3359.126 Safari/537.36	Chrome 66	Android 4
Mozilla/5.0 (Linux; Android 4.4.2; PrimuxUP Build/KVT49L) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/65.0.3325.109 Safari/537.36	Chrome 65	Android 4
Mozilla/5.0 (Linux; Android 4.4.2; PrimuxUP Build/KVT49L) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/64.0.3282.137 Safari/537.36	Chrome 64	Android 4
Mozilla/5.0 (Linux; Android 4.4.2; PrimuxUP Build/KVT49L) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/63.0.3239.111 Safari/537.36	Chrome 63	Android 4
Mozilla/5.0 (Linux; Android 4.4.2; PrimuxUP Build/KVT49L) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/62.0.3202.84 Safari/537.36	Chrome 62	Android 4