well I looked into myself since no one could help me, and I am seeing a pattern of a lot of people on the Nokia discussions forum site (and some people on here also) having the same issue as me where they are getting poor signals and/or LTE drops... leaves me to believe that there is an antenna problem with the L1520... My AT&T phone is doing the same thing but albeit not as bad... people on the Nokia site are begging Nokia to look into this but its on deaf ears it appears... wondering if it is truly an antenna problem or perhaps a software glitch, sorta like the L920 where people (including myself) had to install sys app pusher and then installing "access point" to get the correct cellular settings for the phone to connect properly... I am wondering if the same thing is happening here with the international L1520.. also doesn't help that the TESTMODE function doesn't work on the international versions...