No/Weak Cellular Reception [Defective Unit] - Nexus 6P Q&A, Help & Troubleshooting

My 32Gb Aluminium 6P had cellular connectivity issues right out of the box. But i did not discover it until 2 days later since i was on T-Mobile Wifi Calling network which was working fine.
I noticed the issue when I stepped out of my house and the phone would refuse to get any cellular reception whatsoever. I had to reboot it multiple times and search network manually for it to detect reception. And when it did (which did not last for long), it woudnt connect to LTE data, just an E/G/H or nothing.
Due to the fact that the phone desperately trying to detect reception all the time, the battery life was absolutely terrible and also caused a lot of heating.
Called up Google Support and they have issued a replacement 6P which i hope wont have any issues. :fingers-crossed:
Anybody else has a similar issue?

Related

Atrix not Surf and cut calls (3G network)

I have problems, if it's 3G network or is computer problem.
I was not cut off calls and data transfers (always in 3G network). When setting only 2g network I have no problems ...
I can do? be my problem or phone company? 1 months ago that I suffer this problem almost since I bought the phone. You pass it 2 times for service, which updated the software but still the same.
I was told to ask for change for frequent failures, so try, but when I go to commercial office, leave the computer 6 hours and did not fail (according to them).
The strange thing is that my other times I go and is stuck ... out there think it's 3G network congestion, but I put the chip on another machine and doing well
That I can do? there will be some fix for this problem? (for me is the radio).
I hope your comment
Please help!!

Data Connectivity Dropping Cured

I just wanted to share my experience with some issues I had with my cell connectivity randomly dropping during the day and then randomly coming back. AT&T was no help what so ever and their only solution was to wipe my device (I'm rooted).
The Cause: Crappy LTE coverage in my area
I live between two towers that offer LTE coverage in my area, but not close enough to one or the other for them to connect. I solved the random drops by disabling LTE in the networks menu and then also going to *#*#INFO#*#* and using GSM only in that menu. I miss no more calls and everything works now. Apparently the phone was trying to get on LTE, succeeded in a handshake, and then didn't have enough signal to continue. It would then drop and try to reconnect several times before attempting to jump back on the GSM tower I can throw a rock and hit.
I can only hope AT&T gets their crap together and I hope this helps anyone with similar issues

All of a sudden I've lost 4G reception! HELP!!

Hi All,
First time poster with an unusual problem. I live in Australia and have a Samsung Galaxy S5 SM-G900F which is the European model. Up and till recently I was getting Telstra 4G reception. Now all of a sudden I'm only getting constant 3G reception. I have confirmed that there are no 4G network repair/maintenance/upgrade issues in my area. It was only in the last week that I noticed the constant 3G reception so I can't really pinpoint a specific incident or exact date as to when it actually started happening. Here is what I have tried thus far:
Phone restarts, changing network settings and switching to flight mode.
I've confirmed that the phone network is set to LTE/WCDMA/GSM (auto connect).
I have done numerous hard resets, cache wipes, Dalvik cache wipes, drive wipes, etc.
I have rooted and unrooted the phone numerous times.
I have tried several different stock and custom ROMS.
I have tried 4G SIM cards from other phones.
Tried numerous network switching apps.
NOTHING WORKS!
I always love to tinker with my phone so I'm always looking for ways to improve the phone's performance. It may be that an app (battery improvement/tweaking type apps) I installed somehow changed the network settings but I would have thought a million hard resets would have sorted that all out but apparently not. At the moment I'm running a rooted stock Android 5.1 ROM. I've tried stock Android 4 and 6 as well with no joy.
Here is the unusual thing. When I put in another 4G SIM card into my phone the network still remains on 3G but as soon as I put my SIM card back in 4G magically reappears. It's bizarre. At least I know my phone can still get 4G. You would think that would solve the problem but it doesn't. When I am in an area where the 4G signal is weak the stronger 3G signal kicks in as it is supposed to. When I get back into an area with strong 4G reception the phone remains stuck on 3G and no matter what I do it won't go back to 4G unless I go through the convoluted process described above.
I am all out of ideas. I think I have tried everything possible. I've trawled the web and I appear to be the only person in the world with this problem. I don't know if it is a software or hardware problem with my phone. My SIM card works in other 4G phones so I don't think it is part of the problem. At the end of the day it's not a big deal as 3G is fine but I'm just one of these people that has to fix a problem. Worst case scenario I'll probably upgrade the phone in the next 6 months.
Any suggestions or tips other than what I have listed above would be greatly appreciated. Thanks in advance.
Bulky

Verizon network question

I use MVNOs because I am on a tight budget. With MintSim and MetroPCS which use T-mobile I had a below average signal on this phone and with Boost which uses Sprint I had a dreadful signal. Currently I'm using a Verizon MVNO which has an excellent signal except for one issue. The signal will be great for a day then it will become poor. The signal strength will not return to previous strength unless I power the phone down for a minute and then turn it back on. Then the signal will be great for about a day again until it goes bad and I have to turn the phone off and on again.
I tried a factory reset which didn't help. Toggling airplane mode on and off doesn't help. Rebooting the phone instead of powering off doesn't help. Changing the preferred network type in settings doesn't help.
If I type *#*#4636#*#* and change the network from LTE/CDMD/UMTS (Auto PRL) to one where LTE is replaced by a different network and then switch back to LTE/CDMA/UMTS that restores the strong LTE signal but powering the phone on and off is faster.
I could change the APN settings with T-Mobile but with Verizon the APN settings are greyed out and there is no way to edit the current APN or add a new one.
Mobile Data Always Active is already enabled in developer options.
Does anybody know what I could do so the Verizon network strength doesn't eventually drop requiring shutting the phone off and turning it back on to refresh the network connection?
I have owned a lot of phones over the years but never one with signal issues like the PH-1. Essential support won't help because they escalated my ticket to RMA when I was still on T-Mobile. Since an RMA would provide me with a refurbished phone that somebody else probably returned due to the signal strength issues I would rather figure out how to get my current phone to work right with Verizon if that's possible.
When I went out I had no data despite the signal meter showing a strong signal. It turned out my phone had the wrong APN (Verizon instead of Trac Wireless) but unlike GSM carriers the APN settings are locked so TotalWireless (which is owned by Trac Phone) had to send my phone the correct APN. My data actually works now and so far the signal has been very strong but it's too early to say if the same signal problem I wrote about will pop up again since the APN was only corrected a few hours ago.
If nobody else has experienced a similar issue with the quality of the Verizon signal losing strength after the phone has been asleep for an extended period of time then maybe my phone is defective after all. I guess I'll just keep my fingers crossed that the signal still looks good when I wake up tomorrow.

Network issue after update,Cant detect specific networks after update.

I was using IDEA's network for months after buying this phone, and even though 4g was not available at my room the speed got by my 3g connection was fine, but suddenly (most probably an update) I lost my 3g coverage for which I thought the operators are responsible, but two days before I saw my friend who was using the same phone getting 3g coverage in my room. So I checked and found out only my phone (and my roommates' phone, note 4 ) couldn't detect the network. Is it a bug or any way to fix it??

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