Karbonn A7 is one of the latest and very good android smartphone from Karbonn. Now you can install latest ICS custom ROM on your Karbonn A7 smartphone, Read the complete tutorial below for full information. Pre-requisites
• 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.