Signal issues when using on GSM Network - Verizon Galaxy S 5 Q&A, Help & Troubleshooting

I switched my parents over to Cricket from Verizon today. They both have S5's. I set the network mode to lte/wdcma/gsm but it keeps going from Edge, HSPA, and emergency calls only. So I thought I'd try setting it to WCDMA only well I can't as *#*#4636#*#* does NOT work.
While my LG G2 on cricket and my iPhone 7 on AT&T sit and hold both a steady HSPA or LTE perfectly fine without issue which is the reason I switched them.
Any suggestions? Would setting to global be better? I would assume it would make matters worse.
Both phones are running MM and I haven't really kept up with roms/root/etc for Samsung stuff.
Thanks

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[Q] RAZR M stuck on eHRPD - cannot get LTE

All -
I recently purchased a used RAZR M for my wife. She enjoyed borrowing my work phone, so I figured she'd like this. Except I can't get the damn thing to switch to an LTE band. I've swapped sim cards and thrown mine in, same thing. No 4G. I've compared it to my work phone and the settings *look* to be correct. In the same room, my work phone gets LTE, so I know it's not a signal strength issue where I am.
I don't know the history of the phone itself. Would this be the result of it being switched to GSM use? Is this a radio problem? Is this a firmware problem? Is this a PEBKAC issue?
Keep in mind, this is on stock. I'm not too keen on being stuck on stock, I don't have a lot of choices with it being locked and on KitKat right now.
I'd appreciate any help/insight that y'all can offer.
Still looking for some insight. For what it's worth, the phone is being used on VZW now, it just can't / won't get LTE.
Check with your provider that you are using the correct APN for LTE. I know my provider has a specific APN for LTE and another that will only connect using 3G. It took multiple calls to their broadband tech support before someone pointed me to the correct APN config.

Verizon users, lend me your ears!

I started out with USCC on this device. But last week I switched ourn lines over to big red. I noticed that big red forces you to use LTE, with no options under "cellular networks" to select CDMA. Here in Maine, LTE drains your battery 50% faster than CDMA, and data is wonky. It tends to be slower than CDMA, or at least feels slower because it is constantly switching between the 2 or hanging in limbo.
My phone was set to CDMA on USCC, and even after switching to Verizon, I'm still on CDMA. My question is, if I return to stock LP will it force me into LTE -with no choice of switching back to CDMA? So far, Marshmallow has been a huge disappointment on my phone.
HikingMoose said:
I started out with USCC on this device. But last week I switched ourn lines over to big red. I noticed that big red forces you to use LTE, with no options under "cellular networks" to select CDMA. Here in Maine, LTE drains your battery 50% faster than CDMA, and data is wonky. It tends to be slower than CDMA, or at least feels slower because it is constantly switching between the 2 or hanging in limbo.
My phone was set to CDMA on USCC, and even after switching to Verizon, I'm still on CDMA. My question is, if I return to stock LP will it force me into LTE -with no choice of switching back to CDMA? So far, Marshmallow has been a huge disappointment on my phone.
Click to expand...
Click to collapse
Just go into hidden menu via dialer and force your phone into CDMA or LTE or whatever you want. It's simple really and will give you what you want.
Well, is there a "new to Verizon" guide somewhere? Verizon didn't tell me about the secret codes. I don't even know how to do an advanced prl update.
I should have clarified that I've only ever been on USCC. I've never used Verizon. But I do vaguely remember reading about a hidden dialer code now that you mention it. I'll look into that.
HikingMoose said:
Well, is there a "new to Verizon" guide somewhere? Verizon didn't tell me about the secret codes. I don't even know how to do an advanced prl update.
Click to expand...
Click to collapse
This is android secret code not Verizon.
*#*#4636#*#*
Thanks. Never needed it because us cellular already offers that.
HikingMoose said:
Thanks. Never needed it because us cellular already offers that.
Click to expand...
Click to collapse
It's not a that they don't offer that 99% of the time you are better off on LTE so its good that phones prefer LTE. Most likely your other phone simply had that option not hidden unlike on Moto. So that wasn't a ussc feature
Sent from my XT1575 using Tapatalk
Agree to disagree. The data speeds are about the same here, but with the constant handoffs, LTE actually becomes slower and pages won't load because it's switching to 3G and back to LTE over, and over, and over. Plus the added battery drain off having 15-20dBm weaker signal, it's a no brainer. But maybe that's just in our less developed state.
The Samsung phone that I bought for my wife has no CDMA provisions, so it's not a Moto thing, it's a Verizon thing.
You can also download the thunder bolt lte on/off app and you have choices like CDMA auto prl. I use it to force CDMA only on my range extender at home.
Use shortcut creator to link to the hidden menu and your all set
HikingMoose said:
Agree to disagree. The data speeds are about the same here, but with the constant handoffs, LTE actually becomes slower and pages won't load because it's switching to 3G and back to LTE over, and over, and over. Plus the added battery drain off having 15-20dBm weaker signal, it's a no brainer. But maybe that's just in our less developed state.
The Samsung phone that I bought for my wife has no CDMA provisions, so it's not a Moto thing, it's a Verizon thing.
Click to expand...
Click to collapse
This device doesn't run Verizon branded firmware at all. It's how Motorola provisioned the device to work. Like patt2k said you can change that via the hidden menu and you should be good to go, it won't look for LTE after that.
Oaklands said:
You can also download the thunder bolt lte on/off app and you have choices like CDMA auto prl. I use it to force CDMA only on my range extender at home.
Click to expand...
Click to collapse
There seem to be many LTE on/off utilities in the App store. How did you pick this one?
I also have a Verizon Network Extender at home. I have trouble getting connected to it. I often have to reboot or turn the radio on/off to get my phone to connect to the Extender. I would appreciate any advice on how to get my phone to connect to the Extender more reliably.
It would also be nice if the phone would show via an Icon or screen that it is connected to the Extender. Right now the only way to know is to dial #48
EDIT: When I go into the Hidden Menu and select CDMA only, the phone temporary drops the LTE signal. However, LTE seems to quickly come back. Any suggestions on how to turn off LTE when I am home so that I force a connection to the Network Extender?
I can't get the hidden menu to switch from CDMA to LTE. It will switch temporarily, then drop the radio altogether forcing me to restart. Upon restart it's in CDMA only again. Personally, I'm fine without LTE. But I'm not sure why I can't get it enabled at all. I'd like to know I COULD have LTE if I wanted it. So I'm confused why it's stuck in CDMA
swieder711 said:
There seem to be many LTE on/off utilities in the App store. How did you pick this one?
I also have a Verizon Network Extender at home. I have trouble getting connected to it. I often have to reboot or turn the radio on/off to get my phone to connect to the Extender. I would appreciate any advice on how to get my phone to connect to the Extender more reliably.
It would also be nice if the phone would show via an Icon or screen that it is connected to the Extender. Right now the only way to know is to dial #48
EDIT: When I go into the Hidden Menu and select CDMA only, the phone temporary drops the LTE signal. However, LTE seems to quickly come back. Any suggestions on how to turn off LTE when I am home so that I force a connection to the Network Extender?
Click to expand...
Click to collapse
It worked with other Motorola devices in the past. CDMA only will fix your network extender issues.
You will have to set it back when you leave the house. Also it will go back to the default settings if you reboot. Works great for me.

Guide to get 4G LTE Total Wireless ( Verizon ) with 3G issue

First you need to make sure your APN settings are correct.
With my service I had to change that APN to tracphone.vzwentp and that got my 3G service.
After that Dial *#*#4636#*#* for phone testing
Go into * Phone information *
Then down to * Set preferred network type * and set it to * LTE/CDMA auto (PRL) *
This helped give me 4G LTE
And or you need to change the preferred network under cellular network settings to LTE/CDMA
First post so let me know if I need to change anything thanks
So apparently when I changed the band over to USA Band it gave me LTE. The calling worked for around two days and then just stopped working but I still had LTE.
Once I changed the Band back over to Cellular it gave me calling and txt back. I can switch it back and forth to get either 3G or 4G.
I'm hoping that with the new Nougat update it will fix this issue but for now if your calling and LTE work for you on USA Band more power too you.
If the Nougat update doesn't fix this issue I'm going back to Straight Talk AT&T where I had 4G LTE, Talk, and TXT
Motorola Moto G4 XT1625
Total Wireless (Verizon Network)
Android 6.0.1
What 4g speeds are you getting? Hear Verizon mvno are capped at 5mbps
brownd7380 said:
What 4g speeds are you getting? Hear Verizon mvno are capped at 5mbps
Click to expand...
Click to collapse
I only get 5.4mbps down and 2.3mbps up so far.
I'm headed to California in two weeks where I wanted to test it.
Before when I was a Verizon customer I got 65mbps down so I'll see if it's different there too.
It's possible it is throttled. I have Net10 and using the CDMA option because Verizon has awesome signal where I live compared to att. Att did have higher speed rates on LTE but 5mpbs is more than enough for what I need and what anyone should need.
All Verizon MVNOs are throttled to ~5Mbps down, ~2Mbps up. Only Verizon Prepaid proper and Verizon Postpaid are unthrottled.
Hi there, your guide helped me get on LTE. Thank you!
United States band option is located in the 3 dots in the upper right hand corner.
So why in the world is it that these MVNOs recognize this phone straight away using the verizon network, but through VZW I can only get 3G? This is infuriating! I set up several of these for friends on prepaid networks and they all worked straight away with 4G. Finally added our son to our VZW plan so he could use his phone as an actual phone and it's stuck in 3G hell.
I'm on an MNVO using Verizon's network and it defaulted to 3G. I had to do this to get on 4G. I've lost the ability to make phone calls though, so I'm using hangouts for that function.
I can confirm that regular calling does not function on 4G LTE so like the OP, I am having to switch back and forth on Automatic and United States which is aggrivating.
I hope this helps someone:
I have LineageOS 14 nightly installed on this phone. I was going to return it because I was tired of dealing with the switch to make calls.
I figured out that my baseband wasn't the latest, so I figured one final nuclear option of flashing the stock back on to the device would potentially help this.
After a long bout with a soft bricked phone, I managed to get the phone to flash back to stock Amazon adz and then take an OTA. My baseband changed from x45R to x62R.
I then reflashed TWRP and LineageOS 14. It still didn't work but I played around with the settings and managed to get it working. You have to set the Radio Band to Automatic and then you'll get LTE data and CDMA voice. Preferred network type in Mobile network settings is LTE / CDMA. FYI The settings may reset after a reboot.

935p unlocked and flashed to 935u but can't pick up cdma bands

So maybe this was a bad idea but I'm on boom mobile (verizon mvno) and thought I could save some money and picked up a sprint s7 edge on sale, I just had it unlocked and they flashed it to the 935u unlocked version. The problem is I can't connect to the verizon network, after playing around with it a bit I got it to connect to the verizon lte network but still no voice. In my meager attempts to troubleshoot I noticed I have the options under network mode of
LTE/3g/2g -->> this picks up all networks in my area (Verizon, Sprint, ATT, Tmobile, US Cellular)
3g/2g --> only shows ATT and Tmobile
3g --> only shows ATT and Tmobile
2g --> only Tmobile
So I'm thinking my phone isn't setup right to connect to cdma networks which I thought the 935u rom was supposed to do. Anyone have any tips on how i can further troubleshoot this?
Thanks in advance.
edit: Well I installed a program called 4g LTE switch and set it to cdma only and I was able to make a phone call (3g data also worked) like that but changing it to LTE/cdma wouldn't let me make a call but LTE data worked, if i leave it set to LTE/cdma and reboot it switches back to LTE only.
edit2: Maybe it's trying to connect to volte which isn't offered for Verizon MVNO's yet but i don't see any settings available to disable that.
edit3: When set to LTE/CDMA I could sometimes make outgoing calls, sometimes I would get the double dial prompt, it was very slow to switch between LTE and CDMA so I would miss incoming phone calls.
I threw in the towel and just flashed the latest Verizon rom and it's working properly.

Galaxy s10+ Sprint Unlocked issues on other network.

Let me start by saying that this phone works great. I had it unlocked and practically all is well. There is one issue i am having.
The phone will not automatically reconnect to LTE. My carrier does not support voLTE so it switches to 3g for calls. After a call, the phone stays on 3g and I have to manually toggle the 3G and LTE under network settings to get it to go back to LTE. My carrier uses Bands 12 and 17 and both of these bands have strong signal on the phone when connected to LTE.
I also installed the stock U1 firmware on the mobile to remove all the sprint bloat. Now this issue is the only peeve. I did factory reset it and I also reinstalled the firmware a second time to no avail. The phone did the carrier provisioning on initial start-up after sim was inserted. So I am at a loss.
I had an At&t s10+ which I sold and never had these issues and i did the very same to it as well. I was going to by the OnePlus 7 Pro but i loved the s10+ so i had to go back. It is not such a big deal because i don't make that many calls or receive so many but it is bit annoying. Any solutions?

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