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[Q] radio issue on nexus s [gt-19023]

I've got a nexus s, in the uk. trying to use it with the giffgaff network, which piggy backs onto O2.
I'm really struggling for a decent signal. it seems at work that it'll get 3/4 bars, but at home nothing. the mrs O2 sim card in the phone does a similar thing. another giff gaff sim in the phone does a similar thing. the mrs' desire s gets a good signal in the same places as mine doesn't and she is on effectively the same network.
I've opened a case with samsung to see if i can't get a resolution, even if i have to pay the repair fee. i bought the phone off ebay.
what would like to know is if anyone thinks there will be any point in flashing the phone. should i put a custom rom on it to try and achieve a better signal? it'd also allow me to put 4.04 on which i guess would be a bonus, rather than wait for the OTA upgrade.

missed a bunch of information.
already on 4.0.3
baseband is XXKI1
phone is a I9023
build IML74K
signal strength is hovering at about -100 to -95 db, but no bars at all. it does the same at work, but i get 3 or 4 bars.
so if ive ot this right, then the db has no relevance on bars shown on the phone? anyone got a link to something i can read to understand this? might help me when i finally get a call back from samsung.

Funky Network Signal Mystery

Optimus T...Ok I got this phone from my uncle because his dog chewed it a little. I took it apart and the teeth went through the plastic casing and made marks in the metal frame but there was no visible damage to the internals. I replaced the frame and the plastic casing, boot the phone up and tested it for a couple months.
The phone is running:
cyanogen_thunderg-ota-eng.mik-6.5.8
franco.Kernel.v19.4-cfs
(I am not even sure if that ROM and Kernel are out dated or if there is a more stable ROM/Kernel to be used.)
Anyway, the main issue I am having with this phone is really strange. You see normally people have Network signal problems in buildings maybe even in their house but this phone is completely opposite. When I am in my house or in a building/store I have no problems and network strength is at mid to full. When I am out though driving around even in the busy part of town where you would think the strongest signal is, there is absolutely no network strength. It doesn't even register a network in range at all.
Any ideas what could cause this would be helpful, thank you. The only other issue I have noticed with this phone is when you put someone on speaker they hear echoing but I don't think the two issues are related.

Nobody has any thoughts?

Please someone. More info, Mik's says OLD BASEBAND and I have v10a. When I go to Networks it lists two tmobile and one cingular. It says it cannot connect to any of the networks.
I installed devoid-froyo-final and it actually finds two family mobile networks (like it should) and one cingular and can connect to them all. What is the issue here? devoid-froyo-final actually even lists them as cdma, gsm and Mik's does not show this info

Well though devoid-froyo-final registered the networks better, in town I still have the same issue. It can not find any networks and has no signal. This is in the same area my other phone has full bars and 4g... I wish I could figure this out I like this phone as a back up, oh well.

1) You're on the old baseband i.e v10 which was a bit weaker than the new baseband i.e v20 imho.
2) These sims work on other phones without any niggles ?
Sent from my GT-I9082 using Tapatalk

Poor Reception/LTE/GPS Galaxy S6 SM-G920F

Hey Guys, first post for me here!
I recently purchased a Galaxy S6 SM-G920F through Amazon. I travel and need a phone that is able to support whatever SIM I put in it, plus the benefits of tethering are excellent! I am on AT&T family plan with unlimited data. I was upgrading from a SM-G900A Galaxy S5.
I've been seeing extremely poor reception, regardless of where I am, I'll get -101dBm on my phone, holding it right next to a new phone at an AT&T store that gets -89dBm. AT&T gave me a new SIM, and refreshed a bunch of stuff on their end, no change. I talked to Samsung and went through a bunch of troubleshooting steps, no change. They told me that the phone likely had a bad modem and suggested that I exchange it for a new one. I just received the new one today and I'm seeing the same signal issues! I'm unable to make a call without complaints of poor sound quality from the other end, Waze and Google Maps don't work at all, the phone receives GPS location.
Am I doing something wrong here? My understanding is that this phone should work flawlessly on AT&T network, according to the Samsung tech specs, it supports all the necessary bands for AT&T including B1, B2, B3, B4, B5, B7, B8, B12, B17, B18, B19, B20, B26.
Any suggestions would be greatly appreciated! I really love the new phone, but it not getting reception or GPS really makes it useless.

I am having similar issues.
My reception stays for 10 minutes and then Its pretty much dead. No reception at all. I have to reboot my phone and then it will get signal. That doesnt stay for long and then It just disconnects.
Do you have any solution ?

I have the same variant and I've noticed that the signal is about 5dBm worse than my s4 in all situations on average. I suppose it's because it's glass and metal rather than plastic.
The signal gets stupidly erratic when I move around though it can jump up 10dBm and go straight back down. I wonder if the phone has an antenna at the top and bottom and switches between whichever one has a better signal. I don't think they've done a great job with the antennas in the s6 tbh.

same here. got the 920F from breed on eBay and I am having crappy reception at home, where as my iPhone 6 have 4 bars.

Same problem on edge version.
I think is software related because did same process with my vendor and nothing changed.
Today received an ota update and one change was the modem making it less Hot and "better" reception.
Before -103 now -93/-96

Maesedroid said:
Same problem on edge version.
I think is software related because did same process with my vendor and nothing changed.
Today received an ota update and one change was the modem making it less Hot and "better" reception.
Before -103 now -93/-96
Click to expand...
Click to collapse
which OTA update was this? can you advise? Thanks!

Maesedroid said:
Same problem on edge version.
I think is software related because did same process with my vendor and nothing changed.
Today received an ota update and one change was the modem making it less Hot and "better" reception.
Before -103 now -93/-96
Click to expand...
Click to collapse
Very interesting, please can you post more information such as your Build number and Baseband version in your phone settings/about device.

Hi, guys. I'm from the Philippines, and I also own the same S6 version as you guys do. Sadly, I'm also suffering from the same problems of my phone. Brought it to the nearest Samsung Service Center, and all they did was to re-software it. Same problem.
How are your phones now?

I'm getting -77 dBm and 18 asu as we speak, is that good?

I thought the G920F was the EU handset? Could explain the below-par signal in the US

Weak phone signal strength

As per title, i'm only getting 2 out of 5 bars for carrier signal. I live in an urban area so cell reception is not an issue. Previous phone had no issues whatsoever.
Note is using an esim, would this affect anything?
Info: Carrier is Optus (Aus)

It shouldn't but perhaps also try a physical sim as a process of elimination.
What's your signal like away from home as it could be a mast issue.
Also try resetting your network connection in settings.
A Samsung Experience Store or Samsung Service Centre can take a look.

BandOfBrothers1 said:
It shouldn't but perhaps also try a physical sim as a process of elimination.
What's your signal like away from home as it could be a mast issue.
Also try resetting your network connection in settings.
A Samsung Experience Store or Samsung Service Centre can take a look.
Click to expand...
Click to collapse
Haven't tried your first 2 suggestions but will do it soon.
Have reset network connection, no change.
No Samsung centre/store where I live unfortunately.

Are you measuring the bars on the status bar as your guide , if so then it's flawed method. Signal strength is measured in -dbm . Use an app like Network signal info lite to compare the actual figures with the past devices.

I had to go to Verizon and get a new sim card after the 5G update no more issues with my signal.

Its a normal thing for Samsung's. They've had weaker signals compared to other phones since the note 9. I have all the note variants and I have 4 lines I use with one plus, sony and note 10+ and n20u, samsung easily has the worst signal.

I've upgraded from note 9 to the note 20 ultra 5g
Noticed the 2 signal bars myself on the note 20
Were as my note 9 was always full bars everywhere I went i would get a good reception esp for the net it never let me down
im on three uk
Over the past few days on my note 20.. Internet has been ****e and slow.
I've tried changing from 5g to 4g still same
Been on phone to three had a replacement sim activated.. still same ...maybe give it a day to settle down..
My dbm are - 112 I'm a rural area near Manchester...
Reading around about these readings that's pretty naff.. have I got this wrong the lower dbm supposed be better than a higher reading?
For those wondering.. settings> about phone>status> sim card status.....
I've 2 more days before I have the 14 days cancel return..
I'm just wondering if the signal bars a myth only being 2
Am I over looking things ?
Other than the signal I have no issues love this phone ..
Any input will be taken on board and appreciated
Thanks for looking and helping

Braggster said:
I've upgraded from note 9 to the note 20 ultra 5g
Noticed the 2 signal bars myself on the note 20
Were as my note 9 was always full bars everywhere I went i would get a good reception esp for the net it never let me down
im on three uk
Over the past few days on my note 20.. Internet has been ****e and slow.
I've tried changing from 5g to 4g still same
Been on phone to three had a replacement sim activated.. still same ...maybe give it a day to settle down..
My dbm are - 112 I'm a rural area near Manchester...
Reading around about these readings that's pretty naff.. have I got this wrong the lower dbm supposed be better than a higher reading?
For those wondering.. settings> about phone>status> sim card status.....
I've 2 more days before I have the 14 days cancel return..
I'm just wondering if the signal bars a myth only being 2
Am I over looking things ?
Other than the signal I have no issues love this phone ..
Any input will be taken on board and appreciated
Thanks for looking and helping
Click to expand...
Click to collapse
My dBm would also hit the lows of -114dbm as well at my place of residence. Both the snapdragon and exynos models I’ve owned. The Oneplus 8 pro showed on average 6dBm gain .

Well it appears my phone is faulty had nothing but issues today and it happened whilst on to my provider three UK..
Onkybhd it 2 weeks tried making me taking it to Samsung.. he'll noo ..I know they'll say nowt wrong with ot as per usual
. Three re sending me a replacement handset tomorrow.. if that's ****e as well.
Looks like I shall have to look else were always had sammy..
Had anyone got any good advice what I should get next best / alternative to a note 20..
I'm.not that familiar with other bands as I've always been faithful with Samsung..

Braggster said:
Well it appears my phone is faulty had nothing but issues today and it happened whilst on to my provider three UK..
Onkybhd it 2 weeks tried making me taking it to Samsung.. he'll noo ..I know they'll say nowt wrong with ot as per usual
. Three re sending me a replacement handset tomorrow.. if that's ****e as well.
Looks like I shall have to look else were always had sammy..
Had anyone got any good advice what I should get next best / alternative to a note 20..
I'm.not that familiar with other bands as I've always been faithful with Samsung..
Click to expand...
Click to collapse
I already mentioned it. Oneplus 8 Pro model IN2023 since you're in the UK, else you'll have network incompatibilities.

Hi all hope we're safe and well
Just a quick update
New phone received yesterday
So far so good Signal working perfect now
Thanks for input limey
Looked at the one plus looks a decent piece of kit
May go down that road after I've finished with this note 2 years time haha

Braggster said:
Hi all hope we're safe and well
Just a quick update
New phone received yesterday
So far so good Signal working perfect now
Thanks for input limey
Looked at the one plus looks a decent piece of kit
May go down that road after I've finished with this note 2 years time haha
Click to expand...
Click to collapse
Glad you found a resolution.

...

Question UK Phone Signal.

Hi. Does anyone in the UK find that they are having issues with keep signal? So far I've been a few places where my Note 9 would have great signal but the flip is either patchy or just disconnected from signal altogether. I'm on Three but haven't tried it with any other network. My Note 9 was also on Three too.

O2 UK poor signal as well...

@Barmenchik
That was the next service I was going to try. Hopefully when Samsung does an update it will fix it.

I'm with EE (Everything Expensive) and cannot get a signal when I'm in my local curry house, never had this happen before with all my other phones hmm

I would tend to agree, I'm on Three and at times I have a really low signal in areas where it should be strong

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Get ready to unfold your world
eu.community.samsung.com

I've just moved to the UK and I found it rather weird that when I'm on EE I see 2 bars of reception max, pretty often only 1 bar. But then I had nothing to compare it to as it's the first time I'm using a SIM card in the UK...

My reception is still very patchy. Only time it is consistent is when I'm at home, but it does use wi-fi calling a lot.

The-Observer77 said:
Hi. Does anyone in the UK find that they are having issues with keep signal? So far I've been a few places where my Note 9 would have great signal but the flip is either patchy or just disconnected from signal altogether. I'm on Three but haven't tried it with any other network. My Note 9 was also on Three too.
Click to expand...
Click to collapse
Yes I noticed this from day one, contacted samsung and they said send for repair.....but I feel its more a software thing. Although the signal gets worse when it's flipped too. Someone on Samsung members forum said they thought it was a smaller than normal antenna and they sent it back!

I'm hoping that when it gets updated to Android 12 it will be better.