Please find direct download link of firmware version A515FXXU4CTJ3 for the device Samsung Galaxy A51, model SM-A515F below.
Wi-Fi - If quality information on nearby Wi-Fi routers can be measured, this information will appear as Very Fast, Fast, Normal, or Slow. * This feature can be turned on or off in "Show network quality info" settings. - When attempting to access a Wi-Fi router with a password, a newly added feature now allows the user to request the password of the Wi-Fi router from someone nearby who is saved in their contact list and has already connected to that router. * The "Request Password" button will appear on the Wi-Fi password input screen when you can request a password. Always On Display - Bitmoji Stickers are supported on Always On Display. (Clock style) Samsung keyboard - Split Keyboard is supported on Landscape mode. - The search function of the "Manage Input Languages" screen in the Keyboard Settings page has been newly updated to make it easy to find keyboard input languages that the user wishes to add or delete. Messages - A feature has been added that allows the user to call a person who is saved as a pre-configured SOS message contact. - A feature has been added that allows the user to send SOS location-sharing messages every 30 minutes for 24 hours. Camera - Improved the quality and stability of the camera. The security of your device has been improved.