Q: Compatibility of DouWan?
A: Android screen mirroring and iOS screen mirroring and Android control on PC can work on Windows 7/8/10 or later. if you want to control your iPhone/iPad with your mouse and keyboard, PC should be Windows 10(1803 or later) and Bluetooth peripheral mode should be available. Most laptops comply with those requirements while desktop PC depends. If you are not sure, just download DouWan and run it (select iOS Wired Mirroring), a prompt will display immediately if it's not compatible.
Q: Wired screen mirroring not work?
A: 1.Try Reseat the USB cable.
A: 2.Try using another USB cable.
A: 3.Try using another USB port of PC.
A: 4.Try to reboot your computer and phone.
A: 5.Don't turn off the mirroring from the control center.
Q: Wireless screen mirroring not work?
A: Please disable firewall first. If still no effect, try connecting PC to iOS hotspot then screenmirror. If it succeeds please check your network environment.
Q: Did Not Receive Verification Email?
A: First check the spelling of the address and try requesting another verification email to be sent. If that doesn't work, check out some suggestions below.
1.Typo - Check to make sure the email address is spelled correctly. If not, verify the address with the correct spelling.
2.Web Browser Needs a Refresh - Occasionally you'll need to manually refresh your browser to check for new emails.
3.Spam or Junk Folder - Verification emails may be filtered directly into your email program's spam or junk mail folder. Your ISP or corporate domain may be configured to deliver commercial mail to this folder by default. If you do not find the email in this folder, try adding "@vip.163.com" to your safe sender list, then request another verification email to be sent.
4.Blocked or Bounced Address - If you tried to verify a specific email address but did not receive the verification email, your ISP or corporate domain may have blocked the email. Although Constant Contact averages a very low block rate of around 3%, it's possible that your email address may be part of that 3%. If you haven't received any Constant Contact emails, try verifying an alternative email address.
5.Role, Group, or Alias Address - Because multiple people may have access to a role email address, it's best to use a personal email address for your contact and billing address. Some role addresses can be verified, but many can't.
Q: Bluetooth connection failed?
A: If bluetooth works abnormally, try the following:
1.Forget bluetooth pairing both on PC and iOS
2.Reboot DouWan, when the bluetooth guide page of DouWan shows up,after 2 identical bluetooth device names show on phone,initiate bluetooth connection from iOS. If a bluetooth request shows up before you do any bluetooth connection operation, Don't click Confirm。
3.If fail to discover 2 identical bluetooth, exit settings on phone then reopen.
4.If still fail, reboot PC.

Other Measure
1. Download Lightblue in App Store.
2. Open DouWan and cast your phone to the computer
3. When the bluetooth guide page of DouWan shows up, Connect bluetooth with Lightblue.