Latest Realme 15x 5G user agents:

User Agent	Browser	Platform
[FBAN/FB4A;FBAV/561.0.0.42.67;FBBV/968461645;FBDM/{density=2.0,width=720,height=1570};FBLC/en_GB;FBRV/974661598;FBCR/IND airtel;FBMF/realme;FBBD/realme;FBPN/com.facebook.katana;FBDV/RMX5250;FBSV/15;FBBK/1;FBOP/1;FBCA/arm64-v8a:;]	Facebook 561	Android 15
Mozilla/5.0 (Linux; Android 15; RMX5250 Build/AP3A.240617.008; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/148.0.7778.178 Mobile Safari/537.36	Chrome Webview 148	Android 15
Mozilla/5.0 (Linux; Android 15; RMX5250 Build/AP3A.240617.008; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/144.0.7559.107 Mobile Safari/537.36 [FB_IAB/FB4A;FBAV/546.0.0.42.66;IABMV/1;]	Facebook 546	Android 15
Mozilla/5.0 (Linux; Android 15; RMX5250 Build/AP3A.240617.008; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/145.0.7632.157 Mobile Safari/537.36 [FB_IAB/FB4A;FBAV/551.1.0.58.63;IABMV/1;]	Facebook 551	Android 15
Mozilla/5.0 (Linux; Android 15; RMX5250 Build/AP3A.240617.008; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/144.0.7559.3 Mobile Safari/537.36 [FB_IAB/FB4A;FBAV/541.0.0.85.79;IABMV/1;]	Facebook 541	Android 15
Mozilla/5.0 (Linux; Android 15; RMX5250 Build/AP3A.240617.008; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/144.0.7559.132 Mobile Safari/537.36 [FB_IAB/FB4A;FBAV/548.1.0.51.64;IABMV/1;]	Facebook 548	Android 15
Mozilla/5.0 (Linux; Android 15; RMX5250 Build/AP3A.240617.008; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/142.0.7444.102 Mobile Safari/537.36 [FB_IAB/FB4A;FBAV/540.0.0.49.148;IABMV/1;]	Facebook 540	Android 15
Mozilla/5.0 (Linux; Android 15; RMX5250 Build/AP3A.240617.008; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/137.0.7151.115 Mobile Safari/537.36 [FB_IAB/FB4A;FBAV/540.0.0.49.148;IABMV/1;]	Facebook 540	Android 15
Mozilla/5.0 (Linux; U; Android 15; en-us; RMX5250 Build/JOP24G) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/86.0.4240.198 Mobile Safari/537.36	Chrome Webview 86	Android 15