Losing 3G Connectivity Periodically? - Nexus One Q&A, Help & Troubleshooting

Hi all,
I have a AT&T Nexus One and this thing seems to periodically lose 3G access. It will be working fine, I sleep the device, and when I go to use it I notice there is no 3G or WIFI connectivity showing, just signal bars. To get WIFI and 3G to work again I need to toggle airplane mode.
This perplexes me quite a bit, and it is VERY annoying. It randomly happens throughout the day with no real reason behind it (as far as I can tell).
More info: I have experienced this issue while using stock ROM with Froyo, the HTC Sense UI ROM for the N1, and evil D's Froyo ROM.
Has anyone else experienced this? It doesn't drop to EDGE but actually just loses all connectivity until an airplane toggle.
Thanks in advance everyone!

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Suggestions to fix this? I really like the mod, but if the price is the wifi...
Also, my wifi keeps on disconnecting on it's own (even if the screen is on). Any solutions?
update: now the wifi disconnects even when it's not in idle mode...
I'm not running any wifi boosters or whatnot

[Q] Data Freezes - 3G/LTE Switching?

I recently updated to Kit Kat and flashed latest firmware and radio. I'm having a problem where data seems to freeze and won't connect at times. I can see the 3G data up and down arrows trying to connect, but it just never makes a connection. I can go into airplane mode and then back to service and it connects right away, usually to LTE, so I'm thinking it has something to do with the switch from 3G to LTE. Super frustrating as I drive around the city a lot for work and sometimes data freezes for 15 minutes or more. Anyone having similar issues?
ROM: SuperOneK
Firmware: 4.06.651.4
Radio: 1.00.20.1108
PRL: 55017
Same - Stuck on 3G for Data
I am having similar issue. I think it does have something to do with switching to LTE. My device now only really works with 3G. whenver i'm connected to lte no data is transfered but it says im connected and says data is transfering. I 've unfortunately resolved to just using 3G only. It's pretty sad. I went from a healthy use of data on 4G to barely using it. i think i had a few hundred KB this month. Any thoughts on how to fix this?
I also have this issue, it has been more and more prevalent lately. The phone will be working fine on 3G, then data freezes as it switches to 4G, maybe resumes for a split second, then switches back to 3G. Sometimes 3G doesn't even work then, sometimes it keeps looping between the two. It's ridiculously frustrating to be streaming music while driving and it just stops because it can't figure out which mode to be in.

[Q] WiFi Bounce During Poor Cell Coverage

So I have noticed this problem since the 4.3 upgrades have been out and it continues through the 4.4.2.
I have this problem at home on WiFi, when I am at home I have terrible cell coverage usually bouncing between no coverage and one bar. It seems that when I am bouncing between no cell coverage and one bar my WiFi drops and immediately reconnects.
I had originally thought that my access point was the culprit as I hadn't noticed it happening when I dropped in and out of cell coverage. So I replaced my WiFi system as the one I was on was 8-10 years old. So upgraded to new hardware (WiFi) and tried both 2.4g and 5g and problem persisted.
I have used stock roms, and others, currently on ViperOne 5.8. I have updated to the most current firmware along the way, I even flashed a full RUU and started over last weekend. In addition I have this issue on all three devices in the house (all HTC One M7's).
So today I tried something I should have thought of sooner. I put the phone in airplane mode and then turned on WiFi and noticed that the problem went away, consistent WiFi, no WiFi drop, bounce, etc.
So anyone have an idea as to why this would happen and how I can solve it or is it something that is not solvable except by HTC/Google?
Thanks all.
MG
moregadget said:
So I have noticed this problem since the 4.3 upgrades have been out and it continues through the 4.4.2.
I have this problem at home on WiFi, when I am at home I have terrible cell coverage usually bouncing between no coverage and one bar. It seems that when I am bouncing between no cell coverage and one bar my WiFi drops and immediately reconnects.
I had originally thought that my access point was the culprit as I hadn't noticed it happening when I dropped in and out of cell coverage. So I replaced my WiFi system as the one I was on was 8-10 years old. So upgraded to new hardware (WiFi) and tried both 2.4g and 5g and problem persisted.
I have used stock roms, and others, currently on ViperOne 5.8. I have updated to the most current firmware along the way, I even flashed a full RUU and started over last weekend. In addition I have this issue on all three devices in the house (all HTC One M7's).
So today I tried something I should have thought of sooner. I put the phone in airplane mode and then turned on WiFi and noticed that the problem went away, consistent WiFi, no WiFi drop, bounce, etc.
So anyone have an idea as to why this would happen and how I can solve it or is it something that is not solvable except by HTC/Google?
Thanks all.
MG
Click to expand...
Click to collapse
I think this is an HTC bug. I've seen many users here complain of this on the Sprint model. I have the same issue as well. I have mine set so I can see if I am on 4G or 3G even while I am connected to WiFi. I notice this bug happens exclusively (and nearly every time) when the phone goes from 4G -> 3G.
I had a similar issue but when i updated radios it went away
kwolf said:
I think this is an HTC bug. I've seen many users here complain of this on the Sprint model. I have the same issue as well. I have mine set so I can see if I am on 4G or 3G even while I am connected to WiFi. I notice this bug happens exclusively (and nearly every time) when the phone goes from 4G -> 3G.
Click to expand...
Click to collapse
I don't have 4G in my area so that isn't a factor for me but I can see potentially this happening between 2G and 3G and I am usually roaming here so that would make sense.
Thx.
MG
mxx20 said:
I had a similar issue but when i updated radios it went away
Click to expand...
Click to collapse
Most of the people I've seen with this problem had it start with the latest radio or the one before it. The latest radio definitely does not fix it here.
This also happens to me at home while connected to my WiFi , really annoying ,or sometimes if I'm at work .no WiFi connection ,it'll show I have 3g but won't let me load pages.
Sent from my HTCONE using xda app-developers app
I had that problem as well, I even called Sprint, and they sent me an Airave which is on it's way now. Yet, the tower near my house (6 miles away) was fixed-ish today and it stops that whole reconnect and disconnect garbage. Plus, I get lte in about 80% of my house. This wifi mess was going on since December and I put my phone on roaming most of the time to make it a little more stable.
Just reporting back. I reverted to the previous radio this morning and my connection seemed to stay on. Not sure if I'm trippin or if it really is working better .gomna test it out some more and flash the newest radio and check if there's a difference.
Sent from my One using xda app-developers app

[Q] Wifi Cycling

I'm on Viperone however I remember this happening on stock rom as well.
I live in a sketchy signal area where the phon can flip back and forth to roaming. Each time that happens I loose wifi connectivity. If it cycles a lot it gets pretty annoying. Does anyone know of a fix for this?

Question Wifi <-> Mobile switching?

I have this strange issue that has been with me almost since the beginning. I haven't been able to trace when it happens, but it now seems almost 100% of the time.
I only have WiFi in the house (wifi6, if it matters). If I go out, I only have 4G (I left only 4G and disabled 5G). I have no data until I put the phone into airplane mode and back, or I disable and re-enable mobile data.
Same thing when I go back in the house: no data until I disable and re-enable WiFi.
I've disabled the option for 'always-on mobile data' or similar, it's quite a battery drain if there's no cell signal.
Seems like a very strange bug, I don't have this with any of my other phones.
So you have both WiFi and 4G enabled and they don't switch seamlessly?
Exactly. I always have to restart each one of them, usually by toggling airplane mode. Was wondering if anyone else ran into this issue.
Ok this really is strange. There are 2(!) different toggles to enable data switching between WiFi and 4G, but for me it works flawlessly without them! As soon as I get out of my home WiFi range, 4G kicks in, and when I get in range again, the phone connects to my WiFi...
Hi, i have this problem too but it's not always.
I have a wifi 6 router too.
I also have problems switching from wifi to 4g. Need to toggle airplane mode on/off. 5g deactivated. No wifi 6 here.
I always assumed my vpn is causing problems during the switch to 4g. But hearing others have the same problem i would assume its zenfone problem.
I never had any issues in this area with my ZF8. With the option to have cellular always on I could walk out of my WiFi zone during a video call and no drop or short pause would appear.
With this off the network need a few second to work, and some apps need to be refreshed/restarted to gain connection. Never needed to toggle connection for this to work.
Maybe a reset would be enough or check for updates.
Ah, exactly! It does not necesarily need a network restart, but some apps just lose connection for a while, which can be from a few seconds to >1h. Which is even more weird as the icons are showing full connectivity. I would go out of the house, do stuff, come back later and I would only get the notifications when I'm back inside the house.
Rarely I had the connection drop completely (no signal) when switching, but I haven't noticed this happening since the last update.

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