Signal problems - Galaxy Note 3 Q&A, Help & Troubleshooting

Hi,
I'm currently on cm12.1 v19.3 temasek build(sm-n9005 hlte) and I'm having problem with my connection my phone doesn't connect to LTE and 2g.. I have already updated my baseband and bootloader to the latest version, it just boosted my signal but no connection on 2g and lte.

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N9005 network issues

I'm on the latest lollipop baseband and it seems locked on only WCDMA. Because of that when i get to a low network area, only emergency calls only shows. No edge to supplement for low network situations ....even tho there's an option but that doesn't work.. what can I do to bring back GSM availabilty. I've tried to flash several modems for kit kat but it seems this baseband is stuck on my device...Please help?

[Q] Signal Issue on N9100

I am having signal issues with the n9100 (china mobile). Currently I am in Canada on Rogers network. I have rooted the phone and currently using a custom Rom (Aurora). The firmware is on 5.1.1 and baseband is on the latest. I do get 4G signal but it gets weak when I am inside my house and usually is in Edge mode. The signal was decent when I was in China. I am sure its a modem issue, but is it possible to install a rogers modem onto this without bricking (probably lose dual sim but thats ok)? If not, is there a fix? Can I force my phone to use a certain frequency/band that Rogers uses and see if that helps?

Signal problems after MM update on Unlocked AT&T

Hi there, I would like to know if other people are having signal problems after the MM update. I am on Tmobile on a AT&T Unlocked Priv that WAS working perfect (signal strength wise) when it was on Lollipop. Since I upgraded by OTA to MM using a friends Simcard my signal is a mess. It cycle between LTE , 4G, 3G, EDGE all the way to GSM (G). And when I hit the road it stay in EDGE most of the time. That didn't happen in Lollipop and have never happened in my Nexus 6 and Nexus 6P. So is no TMO signal, is something that AT&T or Blackberry change on the modem firmware.
I tried to flash the old modem (lollipop) but it won't boot and told me the data was encrypted and corrupted and needed to wipe my phone. I flashed back the MM modem and booted. I flashed the TMo modem and I don't think it is sticked or maybe is it just the same one. Can you reply with your baseband numbers. Mine is MPSS.BO.2.6.2.c2-0007-M8994FAAAANAZM-1.55185.2
Any help will be very appreciated.

VS995 weak or no signal in Europe

Hello. I have unlocked Verizon V20 VS995 and I am in Europe. In the urban areas phone works fine with all frequencies, also 4G B3 and B20 frequency, but when I go just outside town it looses network. Any sugestions?
CDMA LGV20 will suffer with those issues in Europe. So just switching to a native LTE/GSM device is the only way...
But I can't understand why the sognal is so weak when phone supports all the frequencies in my country. I even changed antennas (plastic bumpers) but still the same result.
Simple explanation - it is not a HW issue - the root cause is combination of your modem firmware and stock ROM you are using as the LTE/GSM band usage is set to be with lower priority and the modem constantly searches for the CDMA signal firstly...
So, is there anything to fix this? Maybe flash another rom or modem, if I find somehow to root stock Oreo.
If you are in VS995 really (and please check the sticker indication under your battery for that it should state VS995 only without Sat the end) you can roll back to Nougat via kdz flash and unlock the bootloader via DirtySanta, flash custom recovery and flash afterwards AOSP/LOS based roms.
I think I have VS995 because before ota upgrade to Oreo I have installed few KDZ's from the link without any problem. Can you tell me how can I check ARB version of Oreo?
All Verizon ROMS including Oreo are ARB00
Also you might try flashing Oreo Alpha Omega Hybrid ROM firstly and if not happy than try RR roms...
Tried Alpha Omega ans Lineage 15.1 and the situation is the same. Poor signal strenght.
scytalemk said:
Tried Alpha Omega ans Lineage 15.1 and the situation is the same. Poor signal strenght.
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Hi, did you find an answer? I have same problem... shame, lovely phone...
try use it without phone covers... it will get more bars lol

Does flashing software affect LTE speeds?

I flashed my v350awm10w to the v350ulm20d version and was wondering if by doing so affected any LTE signal speeds.

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