How To Reactivate M1 Prepaid Sim Card. Answer 1 of 4. Card you can also.

Your phone should have this option as it is not visible if you do not scroll down. After 72 hours your messages will be deleted. Learn how to activate this free service now.
Besides using a top-up card to top-up your hi.
Now when im back in Germany and use this sim card it is not identified and says no service. Hi diela You will need to top up your SIM card before the expiry date to extend validity period. Activate on hiApp and get FREE 2GB. Remove the SIM card from the handset.

