Originally Posted by gregbradley
No it won't work. And will probably bootloop your phone if it did work
Sent from my C6903 using XDA Premium 4 mobile app
Ok thanks, is there a way to get the T-Mobile firmware for the C6916 14.2.C.0.159 on to my C6906 v 14.3.A.0.75.7 I installed Towel root and says phone now rooted, my goal is enabling Wi-Fi calling only offered with T-Mobile in US, I am wary of bricking my phone, tried installing the wifi calling .apk directly extracted from my older T-Mobile android phone but after trying to install eventually fails, Assuming possibly wrong version and not sure how or if could extract it from the C6916 .ftf file and if that is even possible, I am on T-Mobile services currently and already have Phone number linked to emergency services as required by T-Mobile for the Wi-Fi calling feature to work. So wondering if this is possible.