HT1937: iPhone: Wireless carrier support and featuresLearn about iPhone: Wireless carrier support and features
Currently Being ModeratedOct 8, 2013 11:46 AM (in response to Ayman6759)
Here is an article I would recommend when experiencing issues activating a device. The step referring to recovery mode usually resolves the issue.
To retrieve your data, you will need to restore from backup after processing these steps. Here is the article that walks you through restoring from either your iCloud or iTunes backup.