but you are still prompted to install iTunes? 第一步：手机连接电脑，点击安装；（保持手机连接电脑状态， Open C:\Users (or user)\Administrator (or your user name)\AppData\Roaming\NBTool on the computer，。
you have already installed iTunes or Aisi tool。
Developer mode is generally enabled in Settings --> Privacy --> Developer Mode. If there is no developer mode on the iPhone，如还有问题。
请进群提问，手机上却没有NB全能助手(原NB助手)的图标？ The computer shows that the download is successful，将它删除。
it is displayed: Please set a lock screen password 更新 iTunes 或 苹果驱动， and then use 360 guards or Tencent housekeeper to clean up the computer cache garbage ， delete it，可将手机连接电脑，需要先打开电脑的显示隐藏文件夹选项，apple id设置必须打开 双重认证 ，重新进入官网nbtool8.com下载NB全能助手(原NB助手)尝试安装。
如果手机上没有开发者模式。
please ask questions in the QQ group. ， you can connect the phone to the computer and reinstall the app. If you still have questions，重新下载iTunes苹果驱动或者爱思助手；等待驱动安装完成； 第二步：打开NB全能助手(原NB助手)电脑版，具体方法请自行百度，却还是提示安装iTunes？ When installing NB Pro (NB Tool)，解锁手机后再插入数据线连接电脑，手机重设锁屏密码， Update the iTunes or Apple driver， the apple id setting must enable two-factor authentication。
and click Install; (keep the phone connected to the computer， unlock the mobile phone and then plug in the data cable to connect to the computer. 电脑显示下载成功， Step 1: Connect the phone to the computer。
reset the lock screen password of the mobile phone，注意：如果未发现AppData文件夹，里面有个NBTool目录。
but there is no NB Pro (NB Tool) icon on the phone? 请重装安装NB全能助手(原NB助手)或重新启动手机 Please reinstall NB Pro (NB Tool) or restart your iPhone 手机设置里面没有"开发者模式"选项？ There is no "developer mode" option in the phone settings? 开发者模式一般在设置-隐私与安全-开发者内开启， re-enter the official website nbtool8.com to download NB Pro (NB Tool) and try to install it. Note: If the AppData folder is not found， re-download the iTunes Apple driver or Aisi Assistant; wait for the driver installation to complete; Step 2: Open the computer version of NB Pro (NB Tool) windows，重装一下应用。
please Baidu yourself. 安装NB全能助手(原NB助手)时已安装iTunes或者爱思助手，开始使用，需解锁屏幕并点击信任此电脑） 第三步：手机内打开NB全能助手(原NB助手)app。
you need to open the option of displaying hidden folders on the computer first. For the specific method， you need to unlock the screen and click Trust this Computer) Step 3: Open the NB Pro (NB Tool) app on your phone and start using it. 安装NB全能助手(原NB助手)时显示：请设置锁屏密码 When installing NB Pro (NB Tool)， 安装NB全能助手(原NB助手)提示：ipa下载失败 Install NB Pro (NB Tool) prompt: ipa download failed 在电脑上打开C:\Users(或用户)\Administrator(或你的用户名)\AppData\Roaming\NBTool， there is a NBTool directory inside。
然后用360卫士或腾讯管家清理一下电脑缓存垃圾。