Restore using recovery mode. If you've never synced with iTunes or set up Find My iPhone in iCloud, you'll need to use recovery mode to restore your device. This will erase the device and its passcode. 1  Connect your iOS device to your computer and open iTunes.
So if you have a .deb file: 1  You can install it using sudo dpkg -i /path/to/deb/file followed by sudo apt-get install -f. 2  You can install it using apt-get install package_name. 3  Install gdebi and open your .deb file using it (Right-click -> Open with).
As minimal adb and fastboot installation package is hardly of 2 mb, so it takes few seconds to install on the computer. Download Minimal ADB and Fastboot Tool. [*] How to Install: If you want to learn How to install Minimal ADB and Fastboot Tools on your Windows Computer, then watch this video. [*] The installation package works for both Windows 32 bit and Windows 64 bit computer (including windows xp, windows vista, windows 7, windows 8, 8.1 and windows 10).