Lte CAN'T TURN ON !! Help - Xperia Z1 Q&A, Help & Troubleshooting

Help i have problem with my xperia z1 c6903.. this phone can't turn on lte. I was flashing until 3 but nothing... I try call *#*#4636*#*# can't set lte only.. anyone olease help me ???

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I don't know if it's possible but I read that someone fixed his own phone to make it work in a country with different bands.
My Sony Xperia Z (C6603) is from Europe and there it work on 1900/2100Mhz band for 3G 4G and LTE as well.
I'm in Vancouver now and all the networks work on 1700/2100Mhz for 3G, I don't need more, it's enough to use wa.
I tried to put a Wind sim card in the phone, then even change settings from the *#*#4636#*#* menu but nothing happened.
I can make phone calls but datas don't work.
Just a word:
HELP!!!!!

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LTE switching issue please help

Can someone help...
At&t samsung s6 , i m using here in Pakistan on waridtel network .. this network uses LTE band 3 for internet however 2g Edge for calling .. the issue is when i keep network mode to auto, the phone takes almost 20 to 25 sec lag to switch network from 4g to 2g .. but i can make a call ... but when someone calls on my mobile number call doesnt reach me, because my phone doesnt switch network. . The caller on the other end gets that my phone is switch off ... how can i fix this ?? I have factory reset it but didnt worked
Same issue here !! I've tried a million things and nothing seems to work. Only partial solution I've found (if you can call that a solution) is having the phone on always on 2g and going and changing to LTE when i want to use the internet :*(

Stoped Working SIM 1 3g/4g LTE

HI Dev,
After rooted my Lenovo k3 note sim 3g and 4g lte is not working it went to hidden mode.. and cast screen also not working options search option is disabled I don't remaining what are the missing but I found 2 problem ,, can u please help me to rectify those problems..
Best Regards,
PGP

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