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).
Tap Download and install .
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. How to Update Software on SAMSUNG Galaxy A05
After the download finishes, tap Install .
Once Smart Switch recognizes your device, it will automatically check for software updates. Your phone will restart
Scroll down and tap Software Update .
Connect your Galaxy A05 to the PC using a USB cable. Tip: To check for updates manually, you can
Unlock your Galaxy A05 and open the Settings app (gear icon).
Your phone will check for available updates. If none are found, it will show “Your software is up to date.”
If an update is available, a pop-up or button will appear saying Update . Click it.