
• Please backup all your essential and important files like your messages, contacts etc.
• Make sure that your battery is at least 80% charged, otherwise your device may turn off during updating process.
• This tutorial is especially for HTC ONE S device so don’t try it on other.
• Turn off all your antivirus as they may create problems.
• Enable your USB Debugging option through this path: Settings>>Applications>>Development>>USB Debugging.