1：在电脑进入网址pro.25pp.com安装PP助手电脑版(PP同时支持Win版和Mac版)
2：将移动设备连接到PP助手电脑版3点击【修复闪退/弹窗】即可进行激活或修复
pp助手升级ios系统步骤（以ios10.2升级到ios10.2.1为例）：1、首先第一步安装PP助手电脑客户端，选择合适的电脑版版本，下载安装；如果电脑上有pp助手直接打开即可。
/iknow-pic.cdn.bcebos.com/b8014a90f603738deb398ff3bd1bb051f919ecf4"target="_blank"title="点击查看大图"class="ikqb_img_alink">/iknow-pic.cdn.bcebos.com/b8014a90f603738deb398ff3bd1bb051f919ecf4?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_auto"esrc="https://iknow-pic.cdn.bcebos.com/b8014a90f603738deb398ff3bd1bb051f919ecf4"/>
2、安装pp助手移动端，电脑安装成功后，用usb连接手机和电脑，手机点击信任，电脑端点击安装移动端即可。
/iknow-pic.cdn.bcebos.com/d043ad4bd11373f0a8d4ec4eaa0f4bfbfaed0473"target="_blank"title="点击查看大图"class="ikqb_img_alink">/iknow-pic.cdn.bcebos.com/d043ad4bd11373f0a8d4ec4eaa0f4bfbfaed0473?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_auto"esrc="https://iknow-pic.cdn.bcebos.com/d043ad4bd11373f0a8d4ec4eaa0f4bfbfaed0473"/>
3、备份数据，成功通过PP助手实现电脑端和手机端的连接后，打开顶部导航栏的【一键刷机】功能，选择手机设备即可，显示界面如图；首先先建议勾选下方的“保留用户资料刷机”。系统自动根据手机型号和当前的系统匹配可勾选的固件版本，此时，点击我们所需要升级的固件版本10.2.1，点击下载。
/iknow-pic.cdn.bcebos.com/c9fcc3cec3fdfc039ad36069da3f8794a5c226b3"target="_blank"title="点击查看大图"class="ikqb_img_alink">/iknow-pic.cdn.bcebos.com/c9fcc3cec3fdfc039ad36069da3f8794a5c226b3?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_auto"esrc="https://iknow-pic.cdn.bcebos.com/c9fcc3cec3fdfc039ad36069da3f8794a5c226b3"/>
4、固件下载，保持数据线连接。
/iknow-pic.cdn.bcebos.com/f3d3572c11dfa9ecefcfd5c66cd0f703908fc17a"target="_blank"title="点击查看大图"class="ikqb_img_alink">/iknow-pic.cdn.bcebos.com/f3d3572c11dfa9ecefcfd5c66cd0f703908fc17a?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_auto"esrc="https://iknow-pic.cdn.bcebos.com/f3d3572c11dfa9ecefcfd5c66cd0f703908fc17a"/>
5、立即刷机，当固件下载成功之后，一键刷机当前页继续勾选“保留用户资料刷机”，点击“立即刷机”；然后确认“立即刷机“。
/iknow-pic.cdn.bcebos.com/54fbb2fb43166d223b8c9645482309f79152d26c"target="_blank"title="点击查看大图"class="ikqb_img_alink">/iknow-pic.cdn.bcebos.com/54fbb2fb43166d223b8c9645482309f79152d26c?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_auto"esrc="https://iknow-pic.cdn.bcebos.com/54fbb2fb43166d223b8c9645482309f79152d26c"/>
6、等待刷机，不要中止数据连接。
/iknow-pic.cdn.bcebos.com/72f082025aafa40f662d4d0ca564034f79f01973"target="_blank"title="点击查看大图"class="ikqb_img_alink">/iknow-pic.cdn.bcebos.com/72f082025aafa40f662d4d0ca564034f79f01973?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_auto"esrc="https://iknow-pic.cdn.bcebos.com/72f082025aafa40f662d4d0ca564034f79f01973"/>
7、刷机成功，当显示这个界面时就证明已经系统更新成功，手机从ios10.2更新到ios10.2.1。
/iknow-pic.cdn.bcebos.com/8694a4c27d1ed21b0162ad34a36eddc450da3fb3"target="_blank"title="点击查看大图"class="ikqb_img_alink">/iknow-pic.cdn.bcebos.com/8694a4c27d1ed21b0162ad34a36eddc450da3fb3?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_auto"esrc="https://iknow-pic.cdn.bcebos.com/8694a4c27d1ed21b0162ad34a36eddc450da3fb3"/>
