My carrier does not use WCDMA, just LTE/GSM.
Is there a code from dialpad to get into backend settings? For instance, with my other phone (Galaxy Note 1), I can dial *#*#4636#*#* to get into phone settings for more options for network connection.
LG Optimus G E971 - CM11
Galaxy Note i717 - AOKP 4.4.2
Galaxy Tab 2 7.0 - Complete stock 4.2.2, self-debloated