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Terrible signal!

So my phone has terrible signal now ever since I got home from college. I remember it was sorta spotty where I lived but never this bad... I have around 40% time without a signal! It's so bad I can't even text... My messages just don't send half the time. I got a new Sim card only a couple months ago so I feel like replacing that won't help.
I checked my mother's phone and she has the same prl version which is 15287.
Her mobile network type is is set to global and on the status page displays: cdma - even Rev. A, while mine on the same settings displays just LTE for the network type.
I keep bouncing back and forth between global and LTE/CDMA the past couple months, im just going to leave it at global and see if it gets better here... Any sure way to load all the defaults?
I feel like my phone is just getting too old, I've got my upgrade in August but do you guys have any suggestions on how to make my signal better? Also what is the default network type for Verizon I thought (was told in the past) it was LTE/CDMA but when I checked my mother's phone it was set to global?!

Badouken said:
So my phone has terrible signal now ever since I got home from college. I remember it was sorta spotty where I lived but never this bad... I have around 40% time without a signal! It's so bad I can't even text... My messages just don't send half the time. I got a new Sim card only a couple months ago so I feel like replacing that won't help.
I checked my mother's phone and she has the same prl version which is 15287.
Her mobile network type is is set to global and on the status page displays: cdma - even Rev. A, while mine on the same settings displays just LTE for the network type.
I keep bouncing back and forth between global and LTE/CDMA the past couple months, im just going to leave it at global and see if it gets better here... Any sure way to load all the defaults?
I feel like my phone is just getting too old, I've got my upgrade in August but do you guys have any suggestions on how to make my signal better? Also what is the default network type for Verizon I thought (was told in the past) it was LTE/CDMA but when I checked my mother's phone it was set to global?!
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I've been having recent issues in my area too. Seems to have started when my PRL was updated (15310) or potentially it is my sim (which I also replaced recently).
In any case, this is what I did to try and resolve it
http://forum.xda-developers.com/showpost.php?p=52718533&postcount=6
It now switches correctly to 3G when there is a 4G signal. However, you SMS messages should send regardless of whether or not you have a 3 or 4G signal. MMS will be an issue though. As far as whether it is on Global or LTE, it won't make a difference in reception. You'll have better battery life on LTE/CDMA than on global as there is no need to have the GSM radios active if you aren't using them.

Artimis said:
I've been having recent issues in my area too. Seems to have started when my PRL was updated (15310) or potentially it is my sim (which I also replaced recently).
In any case, this is what I did to try and resolve it
http://forum.xda-developers.com/showpost.php?p=52718533&postcount=6
It now switches correctly to 3G when there is a 4G signal. However, you SMS messages should send regardless of whether or not you have a 3 or 4G signal. MMS will be an issue though. As far as whether it is on Global or LTE, it won't make a difference in reception. You'll have better battery life on LTE/CDMA than on global as there is no need to have the GSM radios active if you aren't using them.
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Hmmm thanks for the information! It seems like that could be what is happening to me. But weird enough typing *#97328640# in the dialer doesn't work?! It just says call could not be completed!
I hope this problem doesn't carry over when I get a new Sim / phone.
Also is disabling -eHRPD a wise thing to do? Also I left my phone on global and it moves to -eHRPD and I have good signal but my texts still arent sending for some reason but then it switches to CDMA 1xRTT and thats when im able to send texts but constanlty switches to Unknown/ no service and then after no serviece for a but back to -eHRPD?

OnePlus 6 A6000 UK Three network 4g issues

I live in the UK and am on the three network. In january I received my OnePlus 6 A6000 which I bought from gearbest. It's working perfectly but one thing bothered me. Everywhere I go as long as there's good signal I get a good 4g connection. But the place I currently stay in l, the signal can be on and off. Like I would get 4g near the window in my room and as I move around that signal weakens until it shows H+ or no signal and I can't even do anything with it even in H+. Similar thing would happen on my previous phone the S4 so I never worried about it too much. When people would be in my room using their phones which are older than mine and who are on the same network I notice they get 4g 1 or 2 sometimes 3 bars consistently with a decent speed. I thought maybe this is because my phone's a Chinese version. So I checked and even though my phone is a6000 Chinese version, all the frequency bands used by three for 4g are supported. I put my sim in a global version on my friends OnePlus 3 and instantly got a decent 4g connection which means it's my phone that's not compatible or something even though when I check online, according to what I've seen it should be compatible. Is there anything I could do to solve this on this phone or is my only hope buying the A6003 version?

OnePlus6is7 said:
I live in the UK and am on the three network. In january I received my OnePlus 6 A6000 which I bought from gearbest. It's working perfectly but one thing bothered me. Everywhere I go as long as there's good signal I get a good 4g connection. But the place I currently stay in l, the signal can be on and off. Like I would get 4g near the window in my room and as I move around that signal weakens until it shows H+ or no signal and I can't even do anything with it even in H+. Similar thing would happen on my previous phone the S4 so I never worried about it too much. When people would be in my room using their phones which are older than mine and who are on the same network I notice they get 4g 1 or 2 sometimes 3 bars consistently with a decent speed. I thought maybe this is because my phone's a Chinese version. So I checked and even though my phone is a6000 Chinese version, all the frequency bands used by three for 4g are supported. I put my sim in a global version on my friends OnePlus 3 and instantly got a decent 4g connection which means it's my phone that's not compatible or something even though when I check online, according to what I've seen it should be compatible. Is there anything I could do to solve this on this phone or is my only hope buying the A6003 version?
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I've used an app called network cell info lite which told me my phone's using band 3 (1800mhz). This was so the case yesterday. Does that mean my phone can't connect to the band 20 (800mhz)? I'm also aware that three use the 800mhz band for 4g. How can I get my phone to use 800 MHz band?

OnePlus6is7 said:
I've used an app called network cell info lite which told me my phone's using band 3 (1800mhz). This was so the case yesterday. Does that mean my phone can't connect to the band 20 (800mhz)? I'm also aware that three use the 800mhz band for 4g. How can I get my phone to use 800 MHz band?
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Checked this site, it seems a6000 don't support 800mhz. It supports 850mhz though but it isn't used by your network.
This is why phone makers make regional models to ensure compatibility with local networks.
The site might be wrong. You can Google for other sources to reconfirm.
https://www.frequencycheck.com/models/OyQED/oneplus-6-dual-sim-global-td-lte-a6000-64gb#frequencies
Sent from my SM-N950F using Tapatalk

vash_h said:
Checked this site, it seems a6000 don't support 800mhz. It supports 850mhz though but it isn't used by your network.
This is why phone makers make regional models to ensure compatibility with local networks.
The site might be wrong. You can Google for other sources to reconfirm.
Sent from my SM-N950F using Tapatalk
Click to expand...
Click to collapse
On the LTE band section it says B18, B19 and B20 are 800 and supported. I don't understand?

It says FDD 800 (band 20) is supported. Also three uses that band

So is there nothing I can do to this current phone?

Ok so I just went on OnePlus support page and spoke to them via live chat, they told me despite this phone being the Chinese version a6000, it should still support band 20

OnePlus6is7 said:
Ok so I just went on OnePlus support page and spoke to them via live chat, they told me despite this phone being the Chinese version a6000, it should still support band 20
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Did you ask them how to force it to use band 20?
Sent from my SM-N950F using Tapatalk

What they told me was to reset network settings which I told them I already did. Then they said to do a factory reset. And if that didn't work then to send it in for repair. However I will go back and ask them if it can be forced to use have 20

vash_h said:
Did you ask them how to force it to use band 20?
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Click to collapse
Ok so I've asked them. It seems they keep dodging the question and just suggest resetting the phone etc and then send it in for repair.

Try to Google to find service menu. For my samsung note 8, entering *#2263# or was it *#2263*# gets you into service mode and you can force the bandwidth from there.
Do note once you do that, if you leave the area you might need to reenable auto in the service menu to allow the phone to select the strongest bandwidth to connect to.Which is odd to begin with as the phone should have selected the strongest one on the first place. Default setting is auto.
Sent from my SM-N950F using Tapatalk

vash_h said:
Try to Google to find service menu. For my samsung note 8, entering *#2263# or was it *#2263*# gets you into service mode and you can force the bandwidth from there.
Do note once you do that, if you leave the area you might need to reenable auto in the service menu to allow the phone to select the strongest bandwidth to connect to.Which is odd to begin with as the phone should have selected the strongest one on the first place. Default setting is auto.
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I asked OnePlus again they sent me a link with codes
https://forums.oneplus.com/threads/oneplus-secret-code.738365/
*#808# takes it to factory mode and there's something called LTE diversity ant switch but nothing happens

Ok when I go to that LTE diversity ant test there's a box and below it it says "Ok". So you are supposed to fill the box in with something

I found an app called shortcut master lite which shows modes like engineering mode, found something called band mode 1 and band mode 2, LTE network select etc but when I try and go on it, says it's not allowed for security reasons. Tried adding screenshots but having trouble at the moment

Ok now none of the modes are accessible. Can't access factory mode or anything. *#800# or *#808# none are working anymore. Just says connection error or invalid mmi

OnePlus6is7 said:
Ok now none of the modes are accessible. Can't access factory mode or anything. *#800# or *#808# none are working anymore. Just says connection error or invalid mmi
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I think something is wrong with your phone.
Or you can do what I did for my company. Go purchase a booster for the frequency band you are using but low in signal, to boost it up. I got mine at taobao or aliexpress, I forgot which one, for usd60.
I use this in my office because the company insist on using a certain telco for corporate mobile phones which is oddly low in all its bandwidth indoors at the office. Outside its at full 4.5G strength. I installed it right below a window where the signal is strong. Bam, full 4.5G signal to me and all my colleagues indoors.
If u chose to buy this ensure it supports the bandwidth you are using.
Sent from my SM-N950F using Tapatalk

OnePlus6is7 said:
Ok now none of the modes are accessible. Can't access factory mode or anything. *#800# or *#808# none are working anymore. Just says connection error or invalid mmi
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Never mind lol. Switched my phone off and then on and now the codes are working. Just can't access those modes for security reasons

Found an app called LTE band calculator which when u select a few bands it gives you a number. For example if I selected bands 3, 7 and 20 it gives 524356. I was thinking what if I entered it onto the LTE diversity ant switch and tapped ok?

I was using an app called Network Cell Info Lite. It gives information about your current signal strength, type of connection, which band it is connected to.
So I tested it where I suspected I didn't get signal because my phone didn't connect to band 20.
What happened was I went on the app, turned on location, took my phone off of flight mode, and as it was searching for signal (my phone for some reason takes a little longer to pick up signal) the app said it was using band 20! However there was no data connection at all and definitely no signal. Then I picked up signal finally but this is when it goes to band 3.
So based on this it seems my phone can use band 20 but the question is why isn't it picking up signal? Not sure if it's a problem with three in the phone.

I just contacted three and they said everything is fine with the network.

OP6 connectivity issues

Hello,
I have for the past 1 and a half years an OnePlus 6 which since the start I have an issue related to 3/4G speed outside of my home country.
Now please don't start about turning on roaming in order to have internet. I have done that since I've got my phone.
I do have internet, however the speed is absolutely terrible. It is always on GPRS and goes with bytes per second. Texting goes sort of alright, loading sending images takes up to several minutes. Beforehand I had an iPhone and I used to have 3/4G with the same simcard.
I also have a work sim which on my work cell has a good range but on my OnePlus.. again I get hooked to GPRS and it goes on a terrible slow rate.
I have reinstalled my phone several times. Went from Android 9 to 10 and the issue is still there.
It also isn't country related because I have this issue in.. Germany France United Kingdom Italy Austria Hungary Poland. More countries I was not able to test yet sadly.
Does anyone has an idea what this might be? Is this a setting somewhere what is enabled on default? I know multiple OP6 users with the same provider as mine i compared some phone settings and they have a normal speed while I don't. So actually I don't know anymore what it could be.

Cyxno said:
Hello,
I have for the past 1 and a half years an OnePlus 6 which since the start I have an issue related to 3/4G speed outside of my home country.
Now please don't start about turning on roaming in order to have internet. I have done that since I've got my phone.
I do have internet, however the speed is absolutely terrible. It is always on GPRS and goes with bytes per second. Texting goes sort of alright, loading sending images takes up to several minutes. Beforehand I had an iPhone and I used to have 3/4G with the same simcard.
I also have a work sim which on my work cell has a good range but on my OnePlus.. again I get hooked to GPRS and it goes on a terrible slow rate.
I have reinstalled my phone several times. Went from Android 9 to 10 and the issue is still there.
It also isn't country related because I have this issue in.. Germany France United Kingdom Italy Austria Hungary Poland. More countries I was not able to test yet sadly.
Does anyone has an idea what this might be? Is this a setting somewhere what is enabled on default? I know multiple OP6 users with the same provider as mine i compared some phone settings and they have a normal speed while I don't. So actually I don't know anymore what it could be.
Click to expand...
Click to collapse
Try forcing your phone to LTE Only
Dial *#*#4636#*#*
Go to phone information
Set preferred network type to LTE Only for 4G
or LTE/WCDMA for 4G/3G
In LTE Only mode, you may or may not be able to receive or make calls.

Get the following error
https://pasteboard.co/Jn7Yq6Y.jpg

Cyxno said:
Get the following error
https://pasteboard.co/Jn7Yq6Y.jpg
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Click to collapse
I don't see any error. It is working correctly as I can see. Your data is off. It's UMTS that is likely to be H+ network i.e. 3G.
---------- Post added at 04:08 PM ---------- Previous post was at 04:05 PM ----------
Kinghacker said:
I don't see any error. It is working correctly as I can see. Your data is off. It's UMTS that is likely to be H+ network i.e. 3G.
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Also Phone 0 is your sim 1 and Phone 1 is sim 2, FYI just in case.

I know everything looks fine. My connection says R
However I just don't have any internet with either sim ad soon as I go over the border.
If I put my sim in another person's phone it works. Their sim in mine nope.

Cyxno said:
I know everything looks fine. My connection says R
However I just don't have any internet with either sim ad soon as I go over the border.
If I put my sim in another person's phone it works. Their sim in mine nope.
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Click to collapse
Some networks doesn't provide data services while in roaming.
As you say it works in other phone. It seems your device is faulty.
You said you reinstalled Android 9 and 10. How did you do that?
Did you use MsmDownload Tool? Or just zip flashing? Or fastboot rom?
I would suggest to backup all data and completely wipe your phone using MsmDownload Tool.
If you've already done that then I'm afraid Network Module/Chip (usually referred as Modem) is faulty.
You will have to visit service center or repair shop to know exact fault.

Question GSM issues, sudden disconnection?

Hey guys,
So I've received my P7P a couple days ago. Ordered in Romania from the official Amazon Store. 5G, VoLTE, and VoWiFi don't work, as you all know.
But the biggest problem I have is that the network just completely disconnects if I leave the phone on the desk for a couple minutes. I have people messaging me and asking why they can't call me. When I look at the phone, there's no GSM signal of any kind. This is in a location where I have full 5G coverage otherwise.
I had to go into airplane mode 2 times before I was able to receive a call. The first time it connected to LTE for a couple seconds and then it completely dropped again.
Not to mention it takes forever to connect again after going in an area with weak signal.
I've updated to the Beta and the issue persists.
Great software, great camera, whatever, all useless when you can't fulfill your main purpose of being A PHONE.
Anyone else with issues like this? This is all I've found: https://piunikaweb.com/2022/10/20/pixel-7-7-pro-no-network-or-no-service-connectivity-issue/

Does the phone have the LTE bands it needs to even work where you live? If not, then I doubt there will be anything you can do but return it and look to another OEM.

jaseman said:
Does the phone have the LTE bands it needs to even work where you live? If not, then I doubt there will be anything you can do but return it and look to another OEM.
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Click to collapse
oh LTE works well. 5G doesn't work.
It just gets disconnected from any kind of cellular network and gets no signal after a while.

Have you taken the day one OTA? That fixed the problem for most of us. I haven't seen any X or ! since the first day. Before that update I was having my connection drop every 10 minutes or so.
If you already have taken this update, you may have a defective model.

Try force stopping Carrier Services and Google Play Services and deleting the storage for both. That help me tremendously with connectivity issues with Pixel 6 Pro.
Might want to try Carrier Services beta as well.
Another thing to check is your APN settings. Make sure they're what your service provider recommends

I immediately updated before unlocking the bootloader and rooting, I don't have network outage or anything. 5G seems to be working as well, at least available in settings, I'm yet to test it in 5G area but where I live, there's no 5G actually so it would not bother me much anyways. I'm so far very happy with it

Question moto 5g 2022 Problem

I have two brand new moto 5g 2022 phones for me and my wife and they both do everything but work right. You can call someone and they answer but you cannot hear them, as they answer their phone, my phone just keeps ringing while they keep saying hello. Other times it calls and won't even ring.They do all kinds of different things and sometimes even do work but when they do you can hardly hear each other. I should say we got these phones because our old phones did almost the same thing. They were so old they only got 2g and 3g so we upgraded to these. Also I checked the 5g map and it shows we have 5g ultra coverage in my area, also attached the file showing the area.
Thank you for anyone that can help with this problem.

[email protected] said:
I have two brand new moto 5g 2022 phones for me and my wife and they both do everything but work right. You can call someone and they answer but you cannot hear them, as they answer their phone, my phone just keeps ringing while they keep saying hello. Other times it calls and won't even ring.They do all kinds of different things and sometimes even do work but when they do you can hardly hear each other. I should say we got these phones because our old phones did almost the same thing. They were so old they only got 2g and 3g so we upgraded to these. Also I checked the 5g map and it shows we have 5g ultra coverage in my area, also attached the file showing the area.
Thank you for anyone that can help with this problem.
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Is this only happening at home? while connected to wifi?
If so try disabling wifi calling.

sd_shadow said:
Is this only happening at home? while connected to wifi?
If so try disabling wifi calling.
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Click to collapse
No it happens everywhere. The phone is on cellular preferred.

[email protected] said:
No it happens everywhere. The phone is on cellular preferred.
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Click to collapse
I disabled wifi and same result. I have also rebooted both phones and disabled some apps that were transferred from the other phones.

That's crazy because ever since ive had my 2021 version of the phone, the EXACT same issues have occurred since day one. got the phone in Nov 2021 and still have so many issues with Tmobile towers. Tmobile has a huge handover issue with 5g SA and NSA. Old sprint towers that are still up and running on LTE only, work 100% with no issues, all other towers by 310260 that are configured for CA (carrier aggregation), whether its fdd or tdd ca doesnt matter, I have to airplane mode off then on, wait for the tower to connect, turn off data, wait 5 or so secs and turn data back on, go to the debug menu for the phone *#*#4636#*#* and go to phone information, go down to where it says Ping Test and hit it, make sure that BOTH ipv4 and ipv6 are passing the test. If only ipv6 is passing, then repeat the process until they both connect. This is the only way im able to tell if the tunnel is connected correctly to Tmo. I know HUGE pain in the A but that is the ONLY resolution i have found for this, tmo doesnt care, i have had 20+ tickets opened up and not 1 of them were ever resolved and instantly closed the tkt.
People have claimed that after rooting the phone and installing a custom rom with android 12, that all of the issues are resolved, however I am one of the unlucky people with the xt2131-1 device that will not allow anything other than the stock rom to be installed, bootloader unlocked and rooted but will not allow a custom rom. Last Moto phone I am ever buying.

wickedxjay said:
That's crazy because ever since ive had my 2021 version of the phone, the EXACT same issues have occurred since day one. got the phone in Nov 2021 and still have so many issues with Tmobile towers. Tmobile has a huge handover issue with 5g SA and NSA. Old sprint towers that are still up and running on LTE only, work 100% with no issues, all other towers by 310260 that are configured for CA (carrier aggregation), whether its fdd or tdd ca doesnt matter, I have to airplane mode off then on, wait for the tower to connect, turn off data, wait 5 or so secs and turn data back on, go to the debug menu for the phone *#*#4636#*#* and go to phone information, go down to where it says Ping Test and hit it, make sure that BOTH ipv4 and ipv6 are passing the test. If only ipv6 is passing, then repeat the process until they both connect. This is the only way im able to tell if the tunnel is connected correctly to Tmo. I know HUGE pain in the A but that is the ONLY resolution i have found for this, tmo doesnt care, i have had 20+ tickets opened up and not 1 of them were ever resolved and instantly closed the tkt.
People have claimed that after rooting the phone and installing a custom rom with android 12, that all of the issues are resolved, however I am one of the unlucky people with the xt2131-1 device that will not allow anything other than the stock rom to be installed, bootloader unlocked and rooted but will not allow a custom rom. Last Moto phone I am ever buying.
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Click to collapse
Thank you for the info, I thought it might be t-mobil itself since the old ones and the new ones are doing the same thing. I did get the one phone to upgrade to android 13 but the other one which is the same phone will not. It still did not make any difference.