How do I find my Wi-Fi passcode

did you replace the glass or the digitizer. You may have damaged the digitiser when you broke the screen or while replacing the glass.

You can try to connect by:

On the Homepage, touch (or select) the settings icon (three horizontal bars).

In the menu that comes up, touch *Settings*. Find and turn OFF Airplane Mode. This will turn on your Wi-Fi radio transceiver.

Then touch (or select if your's isn't a touch screen) Wi-Fi Networks and select they one you wish to connect to. You will need to enter the correct password one time and the device will remember it thereafter and you'll not have to enter it again.

1. Turn on your device. When you first turn on your device, you'll see "Hello" in different languages. Slide from left to right anywhere on this screen to begin.
2. Select your language and region.
3. Connect to a Wi-Fi network

You need an Internet connection to set up your device. Tap the name of the Wi-Fi network you want to connect to. 
4. Enable or disable Location Services. This setting lets certain apps gather information about your location.
5. Set up your device as new.
6. Agree to terms and conditions.
7. Sign in or create an Apple ID.
If you need to, you can create an Apple ID for free. Or, you can tap Skip This Step to sign in or create an Apple ID later.
8. Upgrade to iCloud Drive.
With iCloud Drive, you can store your files in iCloud and access them anytime on any supported device. Or choose Not Now to setup iCloud later.
9. Set up iMessage and FaceTime. Or choose not now to setup later.
10. Set up Touch ID.
If you have an iPad Air 2 or later, or iPad mini 3 or later, you can set up Touch ID. With Touch ID, you can use your fingerprint to unlock your device and make purchases.
11. Create a passcode.
To protect your data on your device, use a passcode to unlock your device. If you don't need a passcode, tap Don't Add Passcode. If you're using Touch ID you have to create a passcode.
12. Set up iCloud Keychain.
iCloud Keychain keeps your Safari website usernames and passwords, credit card information, and Wi-Fi network information up to date across all of your approved devices.
13. Choose whether or not to use Siri.
Siri lets you use your voice to send messages, schedule meetings, place phone calls, and more. Or choose Don't use Siri to setup later l.
14. Choose whether or not to share app analytics. Choose don't share.
15. Choose display resolution.
16. Start using your device.
Tap Get Started to begin.
Cheers :-) congrats for new ipad and i hope these instructions will help you.

You can try this and see if it works for you:

Connect to Wi-Fi networks Some of this information applies only to devices running Android 5.0 and higher. If your device is running 4.4 or lower, the Menu icon looks like this . If your device is running 4.3 or lower, the Settings icon looks like this .
You can connect to Wi-Fi networks with your device, as well as add networks you use often or remove networks you don't use any longer. You can also change the settings for saved Wi-Fi networks on your device.
Keep in mind that your device will remember networks you connect to, along with security details, and connect automatically when in range.

Turn on Wi-Fi and connect to a network

1. Open your device's Settings menu .
2. Under "Wireless & networks," touch Wi-Fi.
3. Touch the Wi-Fi switch to turn it to the On position.
4. You'll see a list of saved and available networks.
   • Secured networks display a lock icon and ask for a password to connect.
   • Your device will remember networks it connects to and automatically connect to them when in range.
   • You can forget a saved Wi-Fi network if you don't want your device to connect to it automatically.
5. Touch a network name from the list of available networks to connect to it.
   • Android 5.0 or higher: If the saved network you want to connect to isn't showing up in the list of networks on your screen, touch the Menu icon in the top right corner of the screen. Touch Refresh to reload the list of networks. Touch Add network and enter the network's name (SSID) and other security details, if needed. Then touch Save.
6. Once connected, your device will say "Connected" under the network name.

Once you've connected to a network, it will show up in your Saved networks list. If you have trouble connecting to Wi-Fi, try the following steps:

1. Start the iPad
2. Tap on the Settings app
3. Tap on the Wi-Fi category
4. Choose a Network
5. Once you Tap on a network name, it will try to connect to it. If the network is using wireless encryption, though, you will be presented with a screen asking you to enter the wireless encryption password.

How to connect an iPad to Wireless or Wi Fi network

you have cracked the touch part , easy to replace . youll need nerves an a ebay account to find parts for it, it might take you time. you can pair a keyboard to it or install remote access if the touch worked . too late now u need parts.

change touch screen pad...

click the lock button again, and plug it up, and wait for it to respond