What I did was used a 3g sim (it's even expired already) inserted it to my gpplte chip (old version; no iccid updater) -- my iP5 before inserting the 3g sim/gpplte was "no sim" after inserting "No Service" came out then decided to insert my lte sim/gpp chip then after a few mins signal appeared...
I've just fixed my iPhone 5 (10.3.3 IOS) last night, I just forgot exactly what I've done but I used a gpp lte (no iccid updated). I saw in one discussion that it won't activate the lte sim so I have a 3g sim (expired) inserted it and a no service came out but I can open Phone & Carrier in...