Simple fix: IT WORKED FOR ME! 🙂
Although the iPhone is not supported by WIND’s technical support team, below you will find the steps necessary to enable select features on compatible iPhone 5/5c/5s.
Important: Please make sure your iPhone is connected to a Wi-Fi network or a computer with iTunes.
Data:
Step 1: Open the Settings App
Step 2: Tap Cellular followed by Cellular Data Network
Step 3: Under the Cellular Data heading enter the following information:
APN: internet.windmobile.ca
All Other Fields: leave blank
Picture messaging (MMS):
Step 1: Open the Settings App
Step 2: Tap Cellular followed by Cellular Data Network.
Step 3: Under the MMS heading enter the following information:
APN: MMS.windmobile.ca
MMSC: http://mms.windmobile.ca
Proxy: 74.115.197.70:8080
All Other Fields: leave blank
FaceTime:
Step 1: Open the Settings App
Step 2: Tap FaceTime
Step 3: Ensure “You can be reached by FaceTime at (appleID)” is selected.
iMessage:
Step 1: Open the Settings App
Step 2: Tap Messages
Step 3: Tap Send & Receive
Step 4: Confirm the following is selected: “You can be reached by iMessage at (appleID)”
Please note, at this time the use of FaceTime and iMessage on WIND network compatible iPhones does not support phone number-based access and therefore certain Apple-developed applications will only function using an Apple ID. This is a known issue, requiring further investigation by Apple.