ID #1336 If I change the cellphone do I have to reconfigure the Welcome M App on my new smartphone in Welcome M? Carolina Bachenheimer-Schaefer 22.03.2017 08:54 0 Comments The procedure is very easy: after uploading the App on your phone, issue your access data to my.abb-livingspace.com (user and password) and you’ll be ready to use the new device. Tags: DES, Interface, Security