MMS and Voicemail does not work after Installation of APN profile

Originator:testingnurago
Number:rdar://13735445 Date Originated:25-Apr-2013 09:22 AM
Status:Open Resolved:No Value
Product:iPhone Product Version:iPhone 5
Classification:Serious Reproducible:Always
 
Summary:
Installing an APN profile on iPhone 5 with iOS >6.1 (10B143) breaks MMS and visual voicemail functionality.

Steps to Reproduce:
Use a device with installed sim card and a provider that allows MMS and visual voicemail. 
Make sure the settings for MMS are correct.
Make sure that visual voicemail is active
Send / receive MMS on the device
Leave a voicemessage on the device
Check that the message is displayed in the voicemail tab of the phone app
-> both features are working on the device you use

Install an APN profile generated by the iPhone Configuration Utility with the correct APN settings for your provider
Restart the device and give it some time to reconnect to the provider (to make sure that the new profile actually is used)
Retest sending/receiving MMS
Retest visual voicemail

Expected Results:
MMS and Visual Voicemail should work with installed APN Profile

Actual Results:
Both features don't work

Regression:

Notes:
We did tests with several devices. Below our test results for different devices, iOS versions and carriers. 

Device 		- iOS version 	- Carrier 		- APN		- Result
iPhone 3GS	- 5.0.1		- o2-de 11.0	- installed		- MMS & VVM successful
iPhone 4 		- 6.1.3 		- o2-de 14.0	- installed		- MMS & VVM successful
iPhone 4s 		- 6.1.3		- o2-de 14.0	- installed		- MMS & VVM successful
iPhone 5		- 6.1.3		- T-Mobile	- installed		- MMS & VVM failed
iPhone 5		- 6.1			- o2-de 14.0	- installed		- MMS & VVM failed
iPhone 5		- 6.1.3		- o2-de 14.0	- installed		- MMS & VVM failed
iPhone 5		- 6.1.3		- T-Mobile	- not installed	- MMS & VVM successful
iPhone 5		- 6.1			- o2-de 14.0	- not installed	- MMS & VVM successful
iPhone 5		- 6.1.3		- o2-de 14.0	- not installed	- MMS & VVM successful

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