If an update is available, a pop-up or button will appear saying Update . Click it.
Open Smart Switch on your PC.
Tap Download and install .
If you encounter persistent problems, contact Samsung Support or visit an authorized service center. Article last updated for Samsung Galaxy A05 (One UI Core / Android versions). How to Update Software on SAMSUNG Galaxy A05
Your phone will restart. Do not press any buttons during the installation. Once complete, your phone will boot up with the new software version. Tip: To check for updates manually, you can also tap the Download and install button again after a few seconds if the first check shows nothing – sometimes the server needs a second try. Method 2: Update via Smart Switch on PC (For Large Updates or Troubleshooting) Use this method if your phone won’t connect to Wi-Fi, the OTA update fails repeatedly, or you want to update without using mobile data. If an update is available, a pop-up or
On your PC, download and install Samsung Smart Switch from the official Samsung website. Tap Download and install