Boot your Samsung Galaxy S3 into Download Mode : Power off your phone first and wait for 6-7 seconds after display is off. Press and hold these 3 buttons together until you see Warning! screen: Volume Down + Power + Home. Press Volume Up now to continue to Download Mode. Connect your Galaxy S3 to PC.
guide to update samsung galaxy s3 i9300 to android 7.1 nougat via hexagon rom Step 1: Download Android 7.1 Nougat ROM and Google Apps packages from downloads section to your PC. Step 2: Connect Samsung Galaxy S3 to PC using an USB cable.T113NUUBU0AOD2. Version. 4.4.4. DOWNLOAD FIRMWARE. CHECK UPDATES. READ FIRST. We recommend using Samsung’s own utilities, Samsung Smart Switch and OTA (Over-the-air), to upgrade devices. Use SamMobile only if you are 100% sure about the risks involved in flashing your device. SamMobile is not responsible for any damage caused by using the
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