Samsung Galaxy S3 Slim G3812B Recovery Mode and Download Mode

Are you wondering How to Boot Samsung Galaxy S3 Slim G3812B into Recovery Mode and Download Mode or Odin Mode? Then, follow the instructions listed on this page to successfully boot Samsung Galaxy S3 Slim G3812B into Recovery Mode and Download Mode or Odin Mode.

Samsung Galaxy S3 Slim G3812B Recovery Mode allows a user to troubleshoot and fix problems with their device. In addition, recovery mode can access some core functions of the device, such as factory resetting the device, wiping cache, Installing updates, backup and restoring data, flash root packages and other zip mods, etc.

Samsung Galaxy S3 Slim G3812B Download Mode or Odin Mode allows users to flash ROM, Kernel, root packages (SuperSU), and perform system updates. It also helps restore the device to stock firmware from a custom firmware.

Also: Samsung Galaxy S I9000 Recovery Mode and Download Mode

Boot Samsung Galaxy S3 Slim G3812B into Recovery Mode

Below are the methods using which you can boot Samsung Galaxy S3 Slim G3812B into Recovery Mode.

Boot Samsung Galaxy S3 Slim G3812B Recovery Mode using Hardware Buttons

1. Power off your phone.
2. Once the device is off, press and hold the Volume Up + Home + Power button together for a few seconds.
3. Release the keys as soon as you see the Samsung logo and wait for few seconds.
4. Now, your phone should boot into Recovery Mode.

Boot Samsung Galaxy S3 Slim G3812B into Recovery using ADB command

1. First of all, install the Samsung Galaxy S3 Slim G3812B USB Driver and ADB and Fastboot Drivers on your Windows computer.
2. Now, enable "USB Debugging" on your phone from Developer Options. If Developer Options is missing, go to Settings → About Phone and tap on Build Number about 7-10 times.
3. Connect your device to computer and open Command Prompt (CMD).
4. Now, enter the below command in CMD to boot Samsung Galaxy S3 Slim G3812B into Recovery Mode.

   adb reboot recovery

Boot Samsung Galaxy S3 Slim G3812B into Download Mode / Odin Mode

1. Power off your Phone.
2. Press and hold Volume Down + Home + Power button together for a few seconds.
3. You should see the Warning Screen with two options – Volume Up to Continue and Volume Down to Cancel and restart the phone.
4. Press Volume Up to boot into Download Mode/Odin Mode.