Gionee Marathon M4 is really a bad phone.just don’t by it.Because of it function. after system update, this ph is totaly convert to a hated things and it is not started after update.and many type of problem are occured by this.only advantage is battery.nothing els.so don’t by it.u can bye any other phone as same rate and quality is also good to asus and moto than gionee mqrathon m4.and the camera is nt like 13 megapixle.just hate it.plz fix this problem.otherwise gionee market will be down very soon. Any one who use the phone, I think they agree with me.