首先强烈感谢hbzjb朋友为我们提供了C650的文件列表。下面是C650可安全删除的文件列表，为安全起见，保留了铃声中一些个头较小的文件（是否可以删除有待考证），下面的这些文件大家都可以放心删除。
多媒体模版文件（建议保留任意一个）：
/a/mobile/mms/mmstemplate/Running Late.sml
/a/mobile/mms/mmstemplate/Happy Birthdan.sml
/a/mobile/mms/mmstemplate/Celebrate.sml
/a/mobile/mms/mmstemplate/I Love You.sml
/a/mobile/mms/mmstemplate/Let's Meet.sml
图片文件（建议挑自己喜欢的几个保留）：
/a/mobile/picture/wp_MTV_gangsta.gif
/a/mobile/picture/wild.gif
/a/mobile/picture/uitra sonic.gif
/a/mobile/picture/wv_emoticon_sad_15x15_c.gif
/a/mobile/picture/television.ems
/a/mobile/picture/Balloon.ems
/a/mobile/picture/wv_emoticon_glad_15x15_c.gif
/a/mobile/picture/wv_emoticon_wow_15x15_c.gif
/a/mobile/picture/wv_emoticon_confused_15x15_c.gif
/a/mobile/picture/wv_emoticon_crying_15x15_c.gif
/a/mobile/picture/EMS_crying.emp
/a/mobile/picture/WVIM_Splashscreen.gif
/a/mobile/picture/ss_MotoLove.gif
/a/mobile/picture/wv_emoticon_angry_15x15_c.gif
/a/mobile/picture/ss_Motolntrigue.gif
/a/mobile/picture/EMS_tongue.emp
/a/mobile/picture/EMS_love.emp
/a/mobile/picture/EMS_laughin.emp
/a/mobile/picture/graffiti.gif
/a/mobile/picture/wv_emoticon_laughing_15x15_c.gif
/a/mobile/picture/EMS_devil.emp
/a/mobile/picture/star.ems
/a/mobile/picture/EMS_indiff.emp
/a/mobile/picture/lava.gif
/a/mobile/picture/ss_MotoSutra.gif
/a/mobile/picture/wp_Motolntrigue.gif
/a/mobile/picture/wv_emoticon_winking_15x15_c.gif
/a/mobile/picture/wv_emoticon_indifferent_15x15_c.gif
/a/mobile/picture/EMS_sad.emp
/a/mobile/picture/movies.ems
/a/mobile/picture/velocity.gif
/a/mobile/picture/wp_MotoLove111.gif
/a/mobile/picture/fludi.gif
/a/mobile/picture/guitar.ems
/a/mobile/picture/Coffee.ems
/a/mobile/picture/EMS_winking.emp
/a/mobile/picture/wv_emoticon_ironic_15x15_c.gif
/a/mobile/picture/wv_emoticon_sceptic_15x15_c.gif
/a/mobile/picture/wp_Cupidmoto.gif
/a/mobile/picture/EMS_glasses.emp
/a/mobile/picture/EMS_angry.emp
/a/mobile/picture/ss_Alert_soccer.gif
/a/mobile/picture/ss_moto.gif
/a/mobile/picture/EMS_sceptic.emp
/a/mobile/picture/EMS_glad.emp
/a/mobile/picture/soccer.ems
/a/mobile/picture/wp_Motosutra 1.gif
/a/mobile/picture/EMS_ironic.emp
/a/mobile/picture/mania.gif
/a/mobile/picture/EMS_wow.emp
/a/mobile/picture/ss_MTV rock God.gif
/a/mobile/picture/EMS_confusd.emp
/a/mobile/picture/feel this way.jpg
/a/mobile/picture/wv_emoticon_glasses_15x15_c.gif
/a/mobile/picture/wv_emoticon_tongueout15x15_c.gif
/a/mobile/picture/camouflaugde.gif
/a/mobile/picture/Lunch.ems
/a/mobile/picture/Medical.ems
/a/mobile/picture/wv_emoticon_devil_15x15_c.gif
/a/mobile/picture/wp_moto.gif
/a/mobile/picture/wv_emoticon_inlovekiss_15x15_c.gif
/a/mobile/picture/nightclub.jpg
3GP短片：
/a/mobile/video/This Is Techno.3gp
铃声：
/a/mobile/audio/~Alertfile027.mid
/a/mobile/audio/~Alertfile041.mid
/a/mobile/audio/~Alertfile253.mp3
/a/mobile/audio/~Alertfile169.mid
/a/mobile/audio/~Alertfile183.mid
/a/mobile/audio/~Alertfile171.mid
/a/mobile/audio/~Alertfile186.mid
/a/mobile/audio/~Alertfile073.mid
/a/mobile/audio/Martini~~.mp3
/a/mobile/audio/Corazon.mp3
/a/mobile/audio/~Alertfile168.mid
/a/mobile/audio/~Alertfile182.mid
/a/mobile/audio/~Alertfile061.mid
/a/mobile/audio/~Alertfile185.mid
/a/mobile/audio/~Alertfile007.mid
/a/mobile/audio/~Alertfile181.mid
/a/mobile/audio/)s}Bl.mp3
/a/mobile/audio/~Alertfile056.mid
/a/mobile/audio/~Alertfile039.mid
/a/mobile/audio/~Alertfile176.mid
/a/mobile/audio/~Alertfile071.mid
/a/mobile/audio/~Alertfile006.mid
/a/mobile/audio/~Alertfile057.mid
/a/mobile/audio/~Alertfile064.mid
/a/mobile/audio/~Alertfile075.mid
/a/mobile/audio/~Alertfile020.mid
注意：如删除铃声，需对手机做次主清除用以恢复铃声明细，密码为000000。另外在给手机减肥前最好要用MPT同步把手机中的相关信息做好备份，此外这些被删除的文件也尽量用p2kman都备份出来，以备不时之需。删除手机的系统文件是危险操作，请大家务必谨慎细心！祝成功！<------