The gps.conf file was overwritten in the update to 4.5 so if you think you’re using suplpatcher and still waiting forever for a fix, just fix the file and reboot and make a backup this time. Tested on XA2.
Full instructions here:
Relevant bits:
/etc/gps.conf (Xperia X, …)
/system/vendor/etc/gps.conf (Xperia 10 II)
/vendor/etc/gps.conf (Xperia 10 III)
FOR unencrypted SUPL SUPPORT, set the following
SUPL_HOST=supl.google.com
SUPL_PORT=7276
for 4G devices
SUPL_VER=0x20000