"iMessage Activation"

Try below steps one again.

Step 1,

Turn off and restart iMessage and FaceTime

1. Go to Settings > Messages and turn off iMessage.
2. Go to Settings > FaceTime and turn off FaceTime.
3. Restart your device:

• • iPhone
  • iPad
  • iPod touch

1. Turn iMessage and FaceTime back on.

Step 2,

It might take up to 24 hours to activate iMessage and FaceTime. If the issue continues after 24 hours, follow these steps:

1. Make sure that your device has the latest version of iOS or iPadOS.
2. If you're using an iPhone, contact your carrier to make sure that you can send and receive SMS messages.
3. Make sure you can send and receive SMS. If a prompt appears stating "Your carrier may charge for SMS messages used to activate FaceTime and iMessage", tap "OK" to allow possible SMS charges.
4. Contact Apple Support.

Hi Addie1987,

Before trying the above steps make sure you have balance in your SIM card.

I'm from India here to activate iMessage it’ll verify the number through sms which will be charged some rupees.

I hope 🤞 this might help you.

Last but not least

Contact Apple Support.

I shared possibile resolutions for common problems if that doesn’t helped you then Professionals might help you.

Sorry 😞 I couldn’t resolve your problem.