nee help on w810i (restart problem)

hey guys i m very noob here nd i hv got serious prblem in my w810i i hv changed my firmware R4EA031 CID50 to R4EK001 CID50 nd i realize dat the R4EA031 CID50 is better so i reflashed it nd its working nice but the problem is when i put my phone in to charge it get suddunly turn off nd i hv searched all over but i got nothing to solve so some1 pls. help me out of dis. plssssss

if you made a GDFS backup before flashing, rewrite that GDFS and post result

thanx but the problem is still here ..... when i put my phone in charging it gets restart and my bettry is not charging ... so i changed my bettry and its working but my old bettry has problem.