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[Investigation] Wi-Fi Death Grip - Please cooperate

Now I already know that there are dozens of rants about the Wi-Fi death grip problems here in the forum, but this one is going to be different.
I've read most of the Wi-Fi Death grip problems and have concluded that some phones doesn't have it (based on user experience, here and here)
Me thinking, one good reason that some might not have the Wi-Fi Death grip is because of the difference of the Stock-Shipped ROM flashed on our phones depending the country where we bought it, also included are the HBOOT and RADIO/Baseband versions.
Based on the two user experience above and checking their profile, both lived in different parts of the world, while me being on a different part as well.
I'm trying to confirm my theory, I've already PMed both users but still haven't received any reply.
It will be really greatful if those who hasn't flashed any custom roms to their phones, who doesn't experience the wi-fi death grip, to reply and maybe post here the:
Kernel version
Baseband version
Build Number
Stock-Shipped ROM on the phone (if possible)
don't get me wrong, as you can see on my signature, I've already have a custom ROM installed, but too bad Virtuous Unity haven't implemented the "software" Wi-Fi fix yet.
I have already PMed one of the devs of the Custom ROM and added it on their bug tracker about this.
So now I'm asking the community for their help about this.
Feedbacks will be greatly appreciated.

Best advice really is to flash another rom for a couple of days and see if you get issues, at least it'll tell you whether its a hardware or software issue with you device.
Grip lightly.
I have never had the problem!

i had the deathgrip even when i was in stock ROM
this was how my stock device was before rooting
SAGA PVT SHIP S_ON RL
HBOOT - 0.98.0000
RADIO -38.03.02.14_M
ROM-stock
kernal-2.6.35.10(stock)
country of purchase- India
but i noticed that the signal dropped only when i was far from my router (& the signal was weak)
so i used wifi analyzer to check the drop of signal when it was strong & i got a drop of around 20dbm which is a lot
i think those who say that they dont have this problem didnt test using any app like wifi analyzer & instead just saw if the wifi signal got cut (this only happens if you are not close to your router)
& if i remember correctly the software fix only lowers the value where the signal is cut & doesnt do anything to improve the attenuation (not sure about this)

InfernalByte said:
Best advice really is to flash another rom for a couple of days and see if you get issues, at least it'll tell you whether its a hardware or software issue with you device.
Grip lightly.
I have never had the problem!
Click to expand...
Click to collapse
It is a software issue, I'm trying to identify if it has something to do with the radio images.
kartkk said:
& if i remember correctly the software fix only lowers the value where the signal is cut & doesnt do anything to improve the attenuation (not sure about this)
Click to expand...
Click to collapse
AFAIK too that's what it is..
Again we need to have users who haven't flashed any custom roms (i hope that there's still some, now that AlphaRevX is out) yet or changed their radio images to confirm my theory.

Skanob said:
It is a software issue, I'm trying to identify if it has something to do with the radio images.
AFAIK too that's what it is..
Again we need to have users who haven't flashed any custom roms (i hope that there's still some, now that AlphaRevX is out) yet or changed their radio images to confirm my theory.
Click to expand...
Click to collapse
i haven't changed my radio ROM yet
& i still have the problem
so..if radio is the problem i shouldn't have this issue after i change my radio
ill give it a try later when i get home

I fixed my wifi deathgrip issue by using a silicon cover.

I have the wifi death grip with stock and LBC 0.5.3.
Still drops around 20dBm when the top is being covered by human flesh and skin.
The wifi fix just makes the phone not drop the signal at -90dBm right?
Still a hardware issue i think.

It's a combination of hardware and software issues actually. Hardware one is the antenna design that leads to signal decrease when covered by hand, and the software issue is the completely unnecessary wifi drop at -88dBm. The later one is fixable by changing the drop threshold.

Kernel version
2.6.35.10-g136602
Baseband version
20,28b,30,0805U_38.03.02.11_M
Build Number
1.28.401.1
I have wifi death issue too. But only when I cover top back of phone.
Purchased from Orange SK, Slovakia

Evilmystic said:
It's a combination of hardware and software issues actually. Hardware one is the antenna design that leads to signal decrease when covered by hand, and the software issue is the completely unnecessary wifi drop at -88dBm. The later one is fixable by changing the drop threshold.
Click to expand...
Click to collapse
no matter what its made of,when you put your hand on top of a receiver the signal attenuates,this is unavoidable
but the problem here is that it drops too much (around 20dbm)
so it could still be a software problem

kartkk said:
no matter what its made of,when you put your hand on top of a receiver the signal attenuates,this is unavoidable
but the problem here is that it drops too much (around 20dbm)
so it could still be a software problem
Click to expand...
Click to collapse
The problem with design is that physical surface of antenna area is very small and easy to accidentally cover completely, that the reason of signal decrease being so high.

maybe we should just contact HTC? Since they should be the one who should fix for us or release a software update that could solve this problem...

nodeffect said:
maybe we should just contact HTC? Since they should be the one who should fix for us or release a software update that could solve this problem...
Click to expand...
Click to collapse
i don't think that is going to work....
i have tried it a few times & it goes to the call center & as usual they have no info
they never have any info untill the info is available to us all
& they always give the fake reply that they are aware of the issue & are looking into it & cant provide any more info
btw has anyone else who had this issue with stock radio still have this issue after changing radio?

kartkk said:
btw has anyone else who had this issue with stock radio still have this issue after changing radio?
Click to expand...
Click to collapse
It's the same for me with original 1.28 Europe version, 1.36 Tesltra WWE and new 1.47 Europe.

kartkk said:
btw has anyone else who had this issue with stock radio still have this issue after changing radio?
Click to expand...
Click to collapse
When you say stock radio and changing radio, what exactly do you mean? Sorry, I'm a noob (most of the time).
When I bought the phone, I had the WIFI death grip. A few days ago, I flashed the Virtuous Unity ROM1.27.0. I saw this thread and tried the grip again just now, and it's still as apparent as when my phone had the original ROM installed.

kartkk said:
i don't think that is going to work....
i have tried it a few times & it goes to the call center & as usual they have no info
they never have any info untill the info is available to us all
& they always give the fake reply that they are aware of the issue & are looking into it & cant provide any more info
btw has anyone else who had this issue with stock radio still have this issue after changing radio?
Click to expand...
Click to collapse
and it might not get fixed by the HTC guys as well.. Please refer to here
We need to identify if it lies on the RADIO image/drivers or maybe on Kernel..
I'm no pro on android and still doesn't know the difference between the Kernel and Radio images. Regarding their use and purpose. I know radio images are the drivers for the wireless stuffs.. But what about kernels?

Skanob said:
and it might not get fixed by the HTC guys as well.. Please refer to here
We need to identify if it lies on the RADIO image/drivers or maybe on Kernel..
I'm no pro on android and still doesn't know the difference between the Kernel and Radio images. Regarding their use and purpose. I know radio images are the drivers for the wireless stuffs.. But what about kernels?
Click to expand...
Click to collapse
im not sure about the sensation but on our DS the slight is a bit too big (25-30 dbm drop) .some people said that the new update solved this problem so i tried flashing the OTA but the signal still drops a lot ,but the new radio makes a slight difference the signal doesn't get cut so easily with it
yes,radio is the wireless drivers & such stuff
kernel is explained here

kartkk said:
im not sure about the sensation but on our DS the slight is a bit too big (25-30 dbm drop) .some people said that the new update solved this problem so i tried flashing the OTA but the signal still drops a lot ,but the new radio makes a slight difference the signal doesn't get cut so easily with it
yes,radio is the wireless drivers & such stuff
kernel is explained here
Click to expand...
Click to collapse
based on these (here, here, and here), there's a combination of KERNEL and RADIO for the Wi-Fi to work properly..
So another theory, there maybe is a proper combination of KERNEL and RADIO to avoid the Wi-Fi Death Grip?
also I've read a few on the kernel explanation, and as far as where I've read the last, KERNEL handles the communication of apps to and from hardware. So my theory above i guess makes sense..

New info! With the help of the handy dandy google!
Vodafone Desire S - Firmware Update 1.47.161.2, No Wi-Fi Death Grip!
Will someone be able to get his/her hands of the FOTA file update!
This got me exciting as this gives me hope for our beloved Desire S.

Skanob said:
New info! With the help of the handy dandy google!
Vodafone Desire S - Firmware Update 1.47.161.2, No Wi-Fi Death Grip!
Will someone be able to get his/her hands of the FOTA file update!
This got me exciting as this gives me hope for our beloved Desire S.
Click to expand...
Click to collapse
nice find..i'm sure update will be soon on forum (calling Football )

[Q] Does ROMs affect Signal Strenght?

Hi, I recently obtained a new HTC Inspire 4G and rooted it in order to unlock it and use another provider's SIM card. I've noticed that using this phone with the other company's SIM doesn't work very well for me, because given that I'm at a certain place with that company's stock phone i have complete signal bars and when I use the Inspire 4g i only have like 2 or don't have service at all, which sucks... I just wanted to know if anyone can tell me if the ROM or radio on the rooted phone somehow determines the signal strength of some other provider service. Can anyone help me here? I would really appreciate it. Thanks a lot in advance.

ROM doesn't play all that much into the signal strength directly, but indirectly each ROM will have a different RIL which has a radio that corresponds to it. (Before you go well how does that all work, please see the radio thread in the dev section). So if you're changing ROMs and keeping the same radio (since I can tell you already know but I'll just make sure...radios don't change when you flash a new rom) you may be pairing a radio to the wrong RIL.
From your last thread and I'm not sure why you created two threads for this but whatever, you need to allow time for everything to settle in at least a couple hours. You may also want to check your apn settings if you're using a different carrier outside of AT&T. It may take some time until you find the proper radio/ril combo that works best for you. You need to allow some time for testing. If this is annoying to you or you just can't do it, unroot your phone and leave it stock because you're gonna find that a lot of these things are trial and error.

Bars are NOT a representation of signal strength. If you arent having it displaying your snr and giving those numbers, bars are meaningless. Remember the att fix for the iphone 4? they changed the height of the bars to trick people into a fix.

Darunion said:
Bars are NOT a representation of signal strength. If you arent having it displaying your snr and giving those numbers, bars are meaningless. Remember the att fix for the iphone 4? they changed the height of the bars to trick people into a fix.
Click to expand...
Click to collapse
They're not completely meaningless. Each bar consistently represents a range of strength, and I think they can be configured.

Simba501 said:
They're not completely meaningless. Each bar consistently represents a range of strength, and I think they can be configured.
Click to expand...
Click to collapse
Right but without knowing what that is, its apples and oranges. But i agree with what you are saying. Would be nice to configure at the user end.

APNs are going to affect your signal strength also. Just try a different APN setting and see if that helps. I'm sure you can find some by searching.

Thanks to all of you for your responses. I've not been working on that since I've had a lot of work and college but now Im ready. Ive got the part where someone said that it wouldnt affect, but the radio does... OK, I paired the ROM with the recommendded radio and still no changes noticed. So, I guess I'll have to change the ROM all over again. Can anyone recommend me a good one? Thanks a lot.

ketanmatrix said:
use RUU to flash ROM+KERNEL+RADIO
RUU are exe files usually
---------- Post added at 01:22 PM ---------- Previous post was at 01:18 PM ----------
Click to expand...
Click to collapse
what? I'm unsure of what you're telling me or the OP? IF you're saying flash RUU to get back to stock then yes, I agree. Gene has made a wonderful tool that will help you get back to stock. But in general, no ROM will change your radio, you mustdo it yourself.

An official HTC RUU.exe will install a radio.

Agoattamer said:
An official HTC RUU.exe will install a radio.
Click to expand...
Click to collapse
excuse me, I forgot the word custom rom, not RUU. thanks for your clarity.

[Q] Got GSIII and reception is terrible

It's easily 50% worse than my last phone (palm pre 3) and I've never had issues at my home with anyone's verizon phone.
I did flash LK1 RPM and Radio from this thread: http://forum.xda-developers.com/showthread.php?t=2007414
I'm not sure if that has any bearing on it and am also not sure if it was like that before. I did it all when I was in town.
Is there another radio I can flash and see if it's better? Or does the GSIII just have garbage reception on the outskirts?
TIA TIA

Diddo on all that..here is a list with all the modems.let me know if you find the best
Good luck
http://rootzwiki.com/topic/34053-of...zon-sgs3-sch-i535-odin-or-recovery-flashable/

What ROM ya runnin?
Better and funnier than your tapatalk signature

TheDiabolicaL1 said:
What ROM ya runnin?
Better and funnier than your tapatalk signature
Click to expand...
Click to collapse
I've tried the miui 4.1
stock JB
and the mean jellybean one I posted above.

To be honest when I first flashed any ROM on to my GS3 my reception was terrible. Every ROM that I used was the same, I also tried every radio available.
My only solution was just to go back to stock which I did now this Stock ICS has me at 4-5 bars everywhere I go.
My last CM ROM had me at 0-1 bar in the same places.
I hope this helps.

Check to see if you have the updated prl version 15154. Do this by going to settings, about phone, status. I think that is an updated list of the towers and that could be your problem. If its not the updated version just shut phone off take out SIM card for 2 min and then just start it up and it should automatically update. I read this somewhere in another post and just figured i'd pass it on. Hope it helps.

Txs mike..I was on something like 14015::' 1 month of fiddling of different modems and radios

mikeman45 said:
Check to see if you have the updated prl version 15154. Do this by going to settings, about phone, status. I think that is an updated list of the towers and that could be your problem. If its not the updated version just shut phone off take out SIM card for 2 min and then just start it up and it should automatically update. I read this somewhere in another post and just figured i'd pass it on. Hope it helps.
Click to expand...
Click to collapse
Unfortunately I'm already on this PRL
Going to try some ICS roms I guess.

I have tried each radio as they have come out with mixed reviews. Some are better than others for me but YMMV. I have found the latest VRLK1 is what works best for me. I came from the Thunderbolt, and I really miss the reception I had with that phone; however, that is the ONLY thing I miss about it. I am currently running CleanRom v5.0 and VRLK1. I definitely get the best reception, and can maintain 4G at work while the other radios would drop to 3g or 1x. I only hope it continues to improve, but I don't think it will ever be as good as I had with the Thunderbolt. Good Luck.

Did you try all the radios, even the ICS ones.
Sent from my SCH-I535 using xda premium

Mark as solved!
I tried every radio I agree the newest seemed to work best but still was ridiculous. Barely any service even though I had two bars at times. Not enough for a single call and had to be by a window to get spotty text service.
Traded for a lumia 822. Works perfect.

This is funny. Coming from the nexus this phone has way more signal and better reception. Instant switching from 3g to 4g and to wifi. Ive tried every radio and they all work very well. Tried on my nexus and all were horrible. Just my .02 cents but this phone rocks.

mcbrocker said:
This is funny. Coming from the nexus this phone has way more signal and better reception. Instant switching from 3g to 4g and to wifi. Ive tried every radio and they all work very well. Tried on my nexus and all were horrible. Just my .02 cents but this phone rocks.
Click to expand...
Click to collapse
Same here. If my i535 shows even 1 bar it still calls/uses data great.

corn13read said:
I've tried the miui 4.1
stock JB
and the mean jellybean one I posted above.
Click to expand...
Click to collapse
Two things. One: might need a replacement. Two: uh, all the MIUI builds say there are radio issues. So, yeah....
Sent from my SCH-I535 using Tapatalk 2

corn13read said:
It's easily 50% worse than my last phone (palm pre 3) and I've never had issues at my home with anyone's verizon phone.
I did flash LK1 RPM and Radio from this thread: http://forum.xda-developers.com/showthread.php?t=2007414
I'm not sure if that has any bearing on it and am also not sure if it was like that before. I did it all when I was in town.
Is there another radio I can flash and see if it's better? Or does the GSIII just have garbage reception on the outskirts?
TIA TIA
Click to expand...
Click to collapse
As others have said try out all of the older radios and use whichever one works best for you. Unfortunately, this phone is not particularly known for having a strong radio (and no software update is ever going to really fix that).
If you are really on a fringe area of service, this might not be the best phone for you. In my experience, Motorola phones have always had the best radios in the industry, and are the most reliable in fringe service areas.

[Q] Reception problems after flashing to SlimKat 4.4.4

Hello,
Two days ago I finally flashed my phone that was running BoneStock 4.1.2 to SlimKat 4.4.4. I love the new features but my reception seems worse than it was before I flashed. At the same spot I always use my phone at work, I'm down from 3-4 bars to barely 1-2 bars and losing data connection every few seconds. At home I used to have 4-5 bars, now down to 2-3.
I'm a n00b and haven't touched anything in terms of replacing the radio, kernel, etc (flashing the rom was scary enough...). Any recommendations on how to troubleshoot / fix this?
Update: I checked the "about phone" screen and my Baseband is I535VRBMF1.
thanks in advance!
TL;DR: Flashed to SlimKat 4.4.4 and my reception is very poor now. Help!

Same thing here man. I'm running Gummy 4.4.4 coming from Jelly Beans 4.1.2 and my cell signal is horrendous. Matter of fact, I'm sitting here at work right now with no cellular signal at all. I made a similar post earlier today with no luck on help still... http://forum.xda-developers.com/galaxy-s3-verizon/help/poor-cellular-signal-4-4-4-gummy-t2847609
I can't imagine this is just a coincidence, others have to be having the issue as well. I've tried flashing different radios (baseband) without any luck there either. Would be nice to figure it out because I am really loving the rom.

What basebands did you both have before the KK flashes?
jayjr, your post says you have MD3 now which sounds rather old - latest unlocked baseband is ML1 (this is what I'm running).
slart, you're at MF1, which isn't that old... but if you had ML1 before, you can simply reflash that to see if it fixes the issues.
Lastly, note, some ROMs tinker with the number of bars showing at different signal levels, so you can't really trust bars (I assume that's how you're determining the lower signal)... can you identify the actual signal strengths (db) to help isolate the problem? Or are you actually seeing some other behavioral problems associated with fewer bars?

Slartibartfast_ said:
I'm down from 3-4 bars to barely 1-2 bars and losing data connection every few seconds. At home I used to have 4-5 bars, now down to 2-3.
Click to expand...
Click to collapse
Me too except with CM11m9 (and m8). Created a bug for it https://jira.cyanogenmod.org/browse/CYAN-4950
I too am on I535VRBMF1 firmware and ML1_modem.

schwinn8 said:
What basebands did you both have before the KK flashes?
jayjr, your post says you have MD3 now which sounds rather old - latest unlocked baseband is ML1 (this is what I'm running).
slart, you're at MF1, which isn't that old... but if you had ML1 before, you can simply reflash that to see if it fixes the issues.
Lastly, note, some ROMs tinker with the number of bars showing at different signal levels, so you can't really trust bars (I assume that's how you're determining the lower signal)... can you identify the actual signal strengths (db) to help isolate the problem? Or are you actually seeing some other behavioral problems associated with fewer bars?
Click to expand...
Click to collapse
Thanks for the reply. I believe I was on MF1 before. Isn't this the version that came out with 4.1.2?
I'll try to determine whether it's just the bar display or something else. Yesterday I had problems with data going on and off every few seconds but today it was OK so maybe it was just a local problem.

My reception is definitely suffering and not just from the bars. This morning I woke up to my phone having no signal at all, rebooted and I had 3 bars again. Something strange is going on.
I'm a little confused on the firmware vs baseband/modem thing. Can you guys elaborate on what exactly I need to flash? I really need to avoid going to another ROM, my phone is used heavily for work with email, vpn, rsa tokens, etc. and flashing a new rom is a major deal that I'd like to avoid. Would appreciate the help.

jayjr1105 said:
My reception is definitely suffering and not just from the bars. This morning I woke up to my phone having no signal at all, rebooted and I had 3 bars again. Something strange is going on.
I'm a little confused on the firmware vs baseband/modem thing. Can you guys elaborate on what exactly I need to flash? I really need to avoid going to another ROM, my phone is used heavily for work with email, vpn, rsa tokens, etc. and flashing a new rom is a major deal that I'd like to avoid. Would appreciate the help.
Click to expand...
Click to collapse
Firmware "can" include new bootloader and such, which is not what you want if you're going to try ML1 (this has a locked bootloader included with the "firmware".) You should be able to find an ML1 radio-only, as this is what I used... I just don't remember where it was here exactly.
The MF1 firmware should be safe enough to install, as it will not lock your bootloader... I think I had found that mastamoon's ROM had a link to this firmware package, so you can ask him to be sure it's safe for you to flash... but given what the other posts here say, even the new radio may not help? Doesn't hurt to try MF1, if you ask me.

schwinn8 said:
Firmware "can" include new bootloader and such, which is not what you want if you're going to try ML1 (this has a locked bootloader included with the "firmware".) You should be able to find an ML1 radio-only, as this is what I used... I just don't remember where it was here exactly.
The MF1 firmware should be safe enough to install, as it will not lock your bootloader... I think I had found that mastamoon's ROM had a link to this firmware package, so you can ask him to be sure it's safe for you to flash... but given what the other posts here say, even the new radio may not help? Doesn't hurt to try MF1, if you ask me.
Click to expand...
Click to collapse
Thanks for that info, that clears a lot up. In my own thread someone eluded to flashing the mf1 aio then ml1 modem. Makes sense since ML1 firmware is bad. My next questions is what's the difference between an AIO and firmware.

jayjr1105 said:
Thanks for that info, that clears a lot up. In my own thread someone eluded to flashing the mf1 aio then ml1 modem. Makes sense since ML1 firmware is bad. My next questions is what's the difference between an AIO and firmware.
Click to expand...
Click to collapse
I'm no expert either. My guess is that AIO means it includes the bootloader, radio, and other such stuff - "all" the firmware stuff you would need to update a phone. This is nice because it puts you to a good "baseline". From there, you can upload just the ML1 radio (because doing the full (AIO?) firmware would include the locked bootloader, so you probably don't want that...

[Q] Lolipop radio

Hello
With the final version of lolipop I have a lot of lost cell signal in place where I usually can phone without problem.
I think the new baseband 2.0.50.2.21 is horrible for me.
So can I flash the last radio of KitKat with lolipop?
Thanks

luckytiti said:
Hello
With the final version of lolipop I have a lot of lost cell signal in place where I usually can phone without problem.
I think the new baseband 2.0.50.2.21 is horrible for me.
So can I flash the last radio of KitKat with lolipop?
Thanks
Click to expand...
Click to collapse
I don't see why it won't work, go for it, but at the same time be careful, back up your data, I've flashed radios for different versions of kit Kat on my nexus 5 before, but never from another version of Android.
Let us know how it turns out!

luckytiti said:
Hello
With the final version of lolipop I have a lot of lost cell signal in place where I usually can phone without problem.
I think the new baseband 2.0.50.2.21 is horrible for me.
So can I flash the last radio of KitKat with lolipop?
Thanks
Click to expand...
Click to collapse
+1

I'll try this evening

What does the exclamation mark mean? Mine always has it apart from when I am connected to WiFi.
Sent from my Nexus 5 using XDA Premium 4 mobile app

Just flash the Last kitkat radio all is fine. I'll see if the reception is better.

I'm having the same issue. Since I bought a used rooted N5 and who knows what they did to that KitKat build, the OTA update to Lollipop didn't work for me. So I flashed a full stock image of Lollipop LRX21O from Google's servers last night.
I don't recall ever losing signal in my home, but it currently is going from a full signal to complete signal dropout for minutes at a time. Was doing it in another location across the city this morning, so I know it's not a tower issue.
Please let me know if you find a stable radio that works with this build. Thanks!
Sent from my Nexus 5 using XDA Free mobile app

nikonjunkie said:
I'm having the same issue. Since I bought a used rooted N5 and who knows what they did to that KitKat build, the OTA update to Lollipop didn't work for me. So I flashed a full stock image of Lollipop LRX21O from Google's servers last night.
I don't recall ever losing signal in my home, but it currently is going from a full signal to complete signal dropout for minutes at a time. Was doing it in another location across the city this morning, so I know it's not a tower issue.
Please let me know if you find a stable radio that works with this build. Thanks!
Sent from my Nexus 5 using XDA Free mobile app
Click to expand...
Click to collapse
I'm having the exactly same issue in Chicago with T-Mobile. I'm so annoyed that I cannot make a call or data is either very slow or keeps dropping out. I'm not sure where the problem is from.

luckytiti said:
Just flash the Last kitkat radio all is fine. I'll see if the reception is better.
Click to expand...
Click to collapse
If it's working after a bit, mind posting the link to the radio used? Thanks!
Sent from my Nexus 5 using XDA Free mobile app

nikonjunkie said:
If it's working after a bit, mind posting the link to the radio used? Thanks!
Sent from my Nexus 5 using XDA Free mobile app
Click to expand...
Click to collapse
I'm still at home and I don't know if the last kitkat radio have the same performance on lollipop but I have 0 problem till now.
The link where I found the radio is http://forum.xda-developers.com/goo...t/modem-nexus-5-flashable-modems-efs-t2514095
I have installed this KTU84Q (4.4.4 Release 2).
I'll make a feedback next week.

luckytiti said:
I'm still at home and I don't know if the last kitkat radio have the same performance on lollipop but I have 0 problem till now.
The link where I found the radio is http://forum.xda-developers.com/goo...t/modem-nexus-5-flashable-modems-efs-t2514095
I have installed this KTU84Q (4.4.4 Release 2).
I'll make a feedback next week.
Click to expand...
Click to collapse
Argh, flashed this last night. All seemed well for about 18 hours, then I have had several episodes of signal dropout this afternoon.

I'm actually seeing the opposite from you guys. Ever since I flashed the stock lollipop ROM and new radio, I've seen signal boost in places where it was terrible before. I would get horrible signal in my house. I now get a steady 2 bars, and my LTE hasn't cut out once. I guess its a Your Mileage May Vary type of thing.
I was on stock KitKat 4.4.4 before. I am with T-Mobile if that makes any difference.

Im another one wit signal issue I have horrible dropouts out of network, for about a minute with new lollipop radio
the worst part I don't have custom recovery any more to flash older baseband,
I'm from Europe. Is there any work around in settings or so please let me know.
Sent from my Nexus 5