Lewa OS for Lenovo A390.
Everything works perfectly! Camera and video work as the standard firmware )
Included languages : Chinese, English , Russian . Gapps included.
About found in firmware problems reported in the comments.
Instructions for installation:
-1. Copy the downloaded firmware on the SD – card
-2. Come in recovery ( Instructions for installation recovery here http://lenovo-forums.ru/topic/1017-v2500s316team-win-recovery-project-lenovo-a390/)
-3. Come in part Wipe => Advanced Wipe
-4. Choose next: Dalvik Cache, Cache, Data, System and dragging confirm .
-5. Come to Instal looking firmware click on it and dragging confirm .
-6. After installing click Reboot and you're done.