No network/service only on 3G/H+ - Galaxy Note 3 Q&A, Help & Troubleshooting

Hi guys, first af all sorry for my english, i'll make it quick.
My galaxy note 3 (custom rom, last bootloader and modem flashed, imei is right and confirmed by my carrier that is not blacklisted) find network/service and i can make calls ONLY when is on 4G/LTE. If i'm in a place where there is only 3G H+, it says not registered on network, i cannot do calls (emergency calls work) but the most amazing thing is that i have the typical no service icon, on his right there is 3G or H+ symbol and mobile internet works!!!
How that is possible? I cannot do calls but mobile internet works -.-
I tried everything i found on this forum, advice?
Thanks.

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Xperia X1 signal problems. Weird.

Hi, i'm from Canada, PQ, Montreal and another mate in this forum from Canada, Vancouver is having the same problem.
For the first 10-20secs after the X1i has been booted succesfully. We get the G status icon(GPRS signal) in the corner and get 2-3bars of signal, during these times, we can call/text or receive calls. After this, the G signal will be replaced by E signal (Edge), this is when i cannot make any calls nor receive any calls nor send any message. I tried this while i was in the streets in a open sky place. I tried my friend's phone and i had FULL SIGNAL (its an nokia 5800 xpress) , i tried my other phone, nokia n95 8gb, i get sky rocketing signal as well.
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Please help =(
perhaps we might have to unlock the phone with Fido to use voice calls on edge? i'm having the same problem. ;(
Perhaps you have to call fido to disable EDGE and use GPRS only ... i'm gonna have to refund my x1 =(
Initially, Fido worked basically with 1900MHz but since the acquisition of Fido by Rogers in 2004, Rogers integrated the networks extending coverage thru 850MHz...
Better get the X1a or change provider
I live in sweden and I also have problem with my signal. it just disapears from time to time.
Same problem here on the other side of the world; in Abu Dhabi. Sometime the signal is completely lost!
AyashiFX55 said:
Perhaps you have to call fido to disable EDGE and use GPRS only ... i'm gonna have to refund my x1 =(
Click to expand...
Click to collapse
is it possible to disable Edge?? THe "E" symbol only indicate edge reception but we are not technically connected to it. Can i actually ask them to cut Edge reception totally?
I only have the voice plan in the first place.

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This is my second galaxy s4, the first one I had I opened the AWS bands, selected WCDMA/GSM Mode Only on the service menu and my internet was working just fine. Unfortunately I lost my first phone and bought another one, and went through the same procedures but my mobile data is not working for the most part while it is connected to HSPAP.
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