如果你的三星Galaxy S3出现了问题，或是你心血来潮想要将其恢复成默认设置，那么就可以把手机恢复出厂设置。这样做也会清空所有的个人数据及设置。请按照下面步骤重置Galaxy S3.
步骤
方法 1 的 3:
从设置菜单恢复出厂设置
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1
在主界面上点击菜单。
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2
点击“设置”。
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3
选择“备份并重置”。
一般系统默认的步骤就是先将个人数据备份，然后进行重置。但如果你不想保留个人数据，就可以取消对相应复选框的选择。
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4
点击“恢复出厂设置”。
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5
再点击“设备重置”。
如果你的手机上设置了锁屏，那么在继续下一步前，你可能需要输入锁屏密码或PIN密码。
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6
选择“全部删除”，然后手机就会开始删除数据及重置了。 [1]
.
方法 2 的 3:
通过硬件按钮恢复出厂设置
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1
将手机关机。
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2
按住开机按钮，再按home键，然后是向上音量键。
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3
手机振动后，放开开机按钮。
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4
等屏幕上出现安卓系统恢复界面后，再放开home键及音量键。
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5
用向下音量键调节高光区，直至其移动到“Wipe data / factory reset” 这一选项上。
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6
按开机键选中。
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7
仍旧用向下音量键调节高光区，这次选择“Delete all user data”。
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8
按开机键选中。 手机就会开始重置了，完成后，屏幕会显示“Reboot system now” 。
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9
再按开机键选择重启，重置就完成了。
方法 3 的 3:
用数字键恢复出厂设置
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1
打开手机上的数字键盘，一般只要点一下上面有个话筒的绿色的键。
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2
输入 *2767*3855# 。 手机就会自动重置，并删除所有的个人数据与设置。[2]
.
小提示
确认重置前所有个人信息都已备份到micro SD卡或谷歌服务器上，包括图片、视频及联系人，因为恢复出厂信息会删除所有个人数据。