Erratic modem behavior - Nexus 4 Q&A, Help & Troubleshooting

At home, we have a Cel-Fi signal booster since T-Mobile reception isn't very good indoors. With the signal booster, there is full reception pretty much everywhere in the house. However, for some reason, my Nexus 4 running stock 4.4.2 keeps cutting out to no signal as shown in the picture (the phone is in the same spot in the house for the entire duration shown). This behavior happens with the 97, 98, and 33/98 radios. Does anyone have any idea what may be causing this? Everyone else in the home has no problems with the booster and I've even swapped out my SIM card but that hasn't fixed the issue. Thanks

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Problems losing signal while driving with 8125

So I have been able to repeat this problem. I noticed it just started happening in the last 2 months or so.
Scenerio:
I turn my phone off (or screen off), start driving say 3+ miles. When I get out of my car, I turn my phone back on. Then I notice the EDGE icon has a X and the signal bar has a X. It then proceeds for about 5-10 seconds finding a signal pretty quickly.
Now I know for a fact that during this time when the phone is off, I am unable to get calls because it doesn't look for a signal until I turn the phone on. This is a pretty big problem as this obviously shouldn't be normal. Anyone else experience this?
I currently have the standard 64K sim, didn't get the 3G yet.
anyone experience this?
i guess it depends on where u live, and where towers are located.
I haven't noticed this behavior.
What's the deal with the 3G SIM? Can we swing by any Cingular store and pick one up? What's the benefit over the 64k chip?
It sounds as though the 3G card doesn't benefit the Wizard at all, too bad this brand new device doesn't support the newer technology
3g isnt even available anywhere yet. i think its only good on 4 city blocks of NY or somewhere completely remote. 2008 i think
im in nashville, 3g works nearly all over nashville on my blackjack. It would be awesome if it worked on my 8125 aswell, sadly, only edge is working!

Dropped calls from my X1

Hello guys,
I just got my X1 (Generic_UK) few days ago, and i was shocked by the poor reception or i might say the dropped calls by the phone.
In fact each conversation the phone was managed to dropp the call by itself after 2 -3 minutes maximum, so i had to call the other party all over again.
I updated the firmware to R2AA010 yesterday and switch the network to GSM only, and that didn't fix this problem, and i also used my friend's card (different carrier and end up with same result)
Any one can help me with this issue ? if I'd never fix this problem , I'd definetly sell it out.
Thanks.
probably won't help, but my phone shows exactly the same behaviour.
i am on a 1800 GSM network.
an update of the radio rom to the newest version that is available here on the forum did not help.
TBH this sounds like a phone fault... mine works flawlessly and now that I have 010 ROM its even better... are you in a very remote area? if not perhaps its a fault and you might need to take it back?
The HTC Touch HD seems to be affected by exactly the same problem. (link)
Strange
Well, I'm running the Voda X1i but flashed to Generic UK R2A_10. I have had nothing but perfect calls, only 1 call dropped but I don't think it was my fault because my signal was max.
It's true the signal is often low, I keep it next to my iPhone which is also on voda and comparatively the iPhone has better signal, but the sound quality in my iphone is appauling and in comparison, when I make a call on my Xperia it's like the person is standing next to me.
I have put up with the BS from my iPhone for too long, as well as the horrendous echo that anyone that calls me suffers from and invariably complains about and refuses to call me.
If you're in a good signal area and you're still getting problems on R2A_10 i'd recommend returning it for a replacement.
X1 definitely has serious reception problem.
I am not taking about the number of bars but off and on signal are comepltely gone and it will start searching for a network.
I have tested this by putting the phone on the table and by observing the signals bars over a long period of time. Often I have noticed full signal bars and many time there are not signals at all.
Service is weak in my area but none of my pervious mobiles have shown such a poor reception.
zeemalik said:
X1 definitely has serious reception problem.
I am not taking about the number of bars but off and on signal are comepltely gone and it will start searching for a network.
I have tested this by putting the phone on the table and by observing the signals bars over a long period of time. Often I have noticed full signal bars and many time there are not signals at all.
Service is weak in my area but none of my pervious mobiles have shown such a poor reception.
Click to expand...
Click to collapse
same here, ive had major reception issues compared to other handsets on same network
I have never had any problems with reception or dropped calls.
?????????

Dropping Signal

Hey there people.
Hoping I've not missed an existing thread.
I'm having problems with X10 dropping its signal seemingly through its own free will. Had phone since mid april and not had any problems with. But the other week me and the missus noticed occasionally i wasn't receiving texts she had sent me. This happened every now and again for a few days. I then noticed when i picked up phone it'd show signal on 3G as maybe 2 or 3 bars then suddenly drop too nothing, showing the little x indicating no signal. After a few seconds up to a min it'd pick signal back up and work again. I no for a fact its not me been in an area without 3G coverage because it happens at work and until this started happening i got a strong 3G signal there. It doesn't seem too switch too edge either any more. Its set too GSM/WCDMA prefered. I'm on 02.
Anyone else have similar problems or any clues on what the problem it.
Cheers

Anyone in the D.C. area having issues this morning?

Woke up in NOVA(Alexandria) and the whole way to the city(North East). I have been having strange signal issues. Hovering between one bar and nothing. A few Sprint users around me are experiencing what seems to be the same thing.
I'm currently in Chinatown. Signal strength seems to be the same. 3G speed sucks as usual (.3 Mbps).
i'm in fairfax/reston/herndon & haven't had any issues

[Q] phone working in very weak signal strength areas

Just asking. What would happen to a phone working under very weak (most of the time, one bar to none) mobile signal strength. Where I stay has exceptionally weak signal strength. I noticed that one of my i9505 shuts itself down intermittently at home. Doesnt happen elseswhere. My other i9505 has a dying wifi. I have just moved to this new home. Never had such problems before this.
What are your thoughts?
You'd probably see higher than 'normal' (that's relative tho, obviously) battery drain. I certainly notice this when I use my phone at home (weak signal mostly) Vs when I'm out & about (much better signal). Never known of this sort of thing to cause shutdowns though, unless there's some kind of firmware or hardware issue which gets triggered by weak mobile signal (again, never heard of such a thing) ?

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