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按下电源键将手机屏幕唤醒,这个时候,如果进行过密码安全设置的手机,要解锁屏幕的话就需要密码。
![](https://iknow-pic.cdn.bcebos.com/fcfaaf51f3deb48f64e10b57fb1f3a292cf578ab?x-bce-process%3Dimage%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_jpg)
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忘记密码后,将导致使用者无法进入手机系统,无法进行使用,这个时候选择左下角“紧急呼叫”选项,进入紧急拨号界面。
![](https://iknow-pic.cdn.bcebos.com/8b13632762d0f70312ea3f5503fa513d2797c5db?x-bce-process%3Dimage%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_jpg)
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在拨号界面中,输入“*39*737381#”,按下拨号键,系统将会自动进行出厂设置,清空所有信息,进入手机系统。
![](https://iknow-pic.cdn.bcebos.com/bba1cd11728b4710a4a25745c8cec3fdfd0323ad?x-bce-process%3Dimage%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_jpg)
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还可在手机关机的状态下,同时按住电源键和音量+键,进入recovery模式。
![](https://iknow-pic.cdn.bcebos.com/c8ea15ce36d3d53906c5a54a3187e950342ab0bb?x-bce-process%3Dimage%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_jpg)
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在recovery模式中,依次选择简体中文-清空数据-清空用户数据,重启进入系统即可,此操作不会删除掉软件,只会清空系统设置。
![](https://iknow-pic.cdn.bcebos.com/10dfa9ec8a136327e2cf57ba9a8fa0ec08fac71d?x-bce-process%3Dimage%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_jpg)
PS: 恢复出厂设置,有些文件会丢失,请在平时对重要文件进行备份。