Interesting tidbit, you'll probably lose the ability to use Android Pay. A lot of people are having problems due to the enhanced security model. On XDA, in the

Interesting tidbit, you'll probably lose the ability to use Android Pay. A lot of people are having problems due to the enhanced security model. On XDA, in the Nexus 5 General section, a thread was deleted that even had an Android engineer posting unofficially that the enhanced checks are at the behest of the card companies. The new system actually stores an encrypted version of all of your card details, and among other things they check are for root, custom builds, etc.