This is a custom TWRP recovery for Lenovo A820. I guess it might work fine for A830 too, but I don't have the device to verify.
TWRP has touch support, extended backup/restore functions, theming and many more.
I've currently ported 3 themes with material design – Dark, Light and Play.
Credits
arraki@4pda for the TWRP base
Omnirom team for ui.xml
z31s1g@xda for themes
More about TWRP project on their official site
Installation
Here are some variants for flashing the custom recovery
- If you already have the older TWRP 2.8.4.0 version installed (v1), you can tap on Install button, swtich to Images (from the button in the bottom right corner) find your downloaded twpr img file, then select Recovery as destination partition and swipe to flash.
- By Rashr – Flash Tool from PlayStore. Just select Recovery from storage and find the downloaded img file.
- By FlashTool for PC
Themes
Place desired theme in /sdcard/TWRP/theme (create that folder if you don't have it) and rename the zip file to ui.zip. Then restart to recovery to see the effect.