Samsung Galaxy S3 I9305 Hard Reset to Factory Soft

Also known as Samsung Galaxy S3 LTE because of its 4G network, this smartphone is sold all over Europe and the US since September 2012. Coming in white and titanium grey, this is a great device that can be purchased from carriers such as Verizon, T-Mobile and AT&T. With 2 GB of RAM, it also supports the use of micro SD cards. This is an amazing phone for its price and in case you own it, you probably are quite proud of this Samsung.

If you’ve recently been dealing with software issues or you forgot the passcode, this article will act as your guide in hard resetting the Samsung Galaxy S3 I9305. All problems from failing applications to a frozen display and lags to hangs are going to be solved via a master restore. This one will bring the phone back to original settings by removing all files and refreshing the operating system. It is entirely your duty to copy important documents on the micro SIM or an external device.

Operating on the Android 4.3 Jelly Bean, the phone also allows you to give commands via voice control. It comes with a lot of features that remind us of the Galaxy S4 including a hands-free mode. Apart from that, this device is powered by a quad-core 1.4 GHz processor, as well as an Exynos 4412 Quad chipset. Using Mali-400MP4 as its GPU, this Samsung is equipped with 5 sensors: a barometer, an accelerometer, gyro, compass and a sensor for proximity.


If you use it for surfing the internet, you’ll probably appreciate the Wi-Fi 802 hotspot that supports speeds going up to 42.2 Mbps. In addition to that, the 2100 mAh battery allows for 16 hours talk-time in 2G and 11 hours in 3G. Also, if you love photography, don’t forget to take advantage of the 8 MP primary camera and the 1.9 MP one in the front. The first one can record 1080p videos while the second one is able to shoot 720p videos.


Whenever you’re having trouble with the Galaxy S3, it’s recommended to make a recent backup before you take any further action. This will ensure that you have all important files saved in one place. This place can vary from you micro SD card to a PC, but it can also be a cloud or other device (tablet, hard disk, etc.). Don’t shy away from using apps, as they are also very efficient – a good example is the PhoneCopy app for Android.

After having transferred all contacts, apps, messages, pictures and videos from the phone, you’re free to use any one of the two available methods. First and foremost, you should know how to do a reset without screen.

samsung-i9300-galaxy-s-iii-keysThis is a suitable option if the phone is frozen or you don’t know the passcode anymore. Use the steps shown in the video below, as follows:

  1. Turn the phone off and remove all cables.
  2. Press Volume Up, Home and Power, and then wait for it to vibrate.
  3. Once the menu loads, select Wipe Data with Volume Down and press Power.
  4. Select Yes on the following screen and tap Power again to confirm.
  5. To choose Reboot System Now, simply press the Power key.

If the hard reset isn’t working, you may be dealing with more severe problems that have to be taken care of in a service. In case you’re still able to use the menu, please try the method below before you choose to give up:

  1. Open the Apps tray and select Settings.
  2. Choose Backup and Reset and tap Factory Data Reset.
  3. Select Reset Device, and then press Delete All.

The formatting will automatically begin after confirming that you’d like to erase all files. If the phone blocks in the middle of the operation or it fails to reboot the phone, you might need to go to a specialist. Please make sure that your backup is recent before you do this!