Finally after a lot of experiments and research we present the stable Android 4.2.2 ROM for Lenovo P770.
Lenovo P770 based on S113 firmware.
Odin tools for installation of custom recovery. We will be using CWM
Formatted SD card recommended. Not necessary required but its good to have one.
Little bit of patience.
ROM features :
Auto Focus on camera fixed. Enhanced Focus takes awesome macro shots.
Continuous Focus on video Recording.
Proximity sensor fixed.
Android 4.2.2 notifications and widgets.
Camera takes awesome macro shots.
Few Battery tweaks.
Highly polished touch screen drivers.
Viper FX for enhanced audio quality.
Pre rooted with Super Su.
Titanium Backup Root.
USB OTG Helper.
Customized Reboot Menu.
Full Screen Caller ID
Custom Battery Animation and Day dream settings.
What's working - So far everything. If you find any bugs do report here.
Installation method :
Install the CWM custom recovery on your phone. If you are not sure how to do it then Check this
Download the firm ware files to root of your SD card.
Reboot the phone in recovery mode.
Remove default data - clear all user data.
Format Cache partition.
Clear Dalvik Cache.
Install the ZIP.
First boot will take some time so have some patience.
ROM comes with stock Android Icons. The screenshot attached are from my phone with custom ICON pack installed from play store.
The ROM comes with Apex launcher pro in Chinese language. Please remove it or install any other launcher of your choice.
For more performance and battery life upgrade i recommend flashing Kill Joy script from XDA dev Exit only.
Backup the contents of your internal SD Card as it will be formatted during the process.
CREDIT TO STUDIOSCUE-TEAM