Root Constant Signal Drop

DrJonJ · Apr 15, 2015

Ok, so I had previoysky fixed this issue, but after flashing CM12.1, the problem is back.

Basically my signal gets dropped at least 2 times per minute. Which is a huge problem as need to be able to make calls without worrying about it getting dropped.

Any ideas on how to fix?

aguba · Apr 15, 2015

It's a known issue with our build of CM12/12.1. Flashing the APN fix listed in the first post of the rom thread has helped for some.

DrJonJ · Apr 15, 2015

Thanks for the help, but this problem persists even upon restoring stock ROM, and all the APN fix does is fix GPS, make it say Boost Mobile, and slightly help with LTE.

So that doesn't help in this case.

bg4m3r · Apr 15, 2015

DrJonJ said:
Thanks for the help, but this problem persists even upon restoring stock ROM, and all the APN fix does is fix GPS, make it say Boost Mobile, and slightly help with LTE.

So that doesn't help in this case.

I lost LTE flashing this as well. Flashing the 12.1 Candy ROM with the APN fix restored it. Back on stock due to other issues with Candy, LTE still working.

master odysues · Apr 15, 2015

bg4m3r said:
I lost LTE flashing this as well. Flashing the 12.1 Candy ROM with the APN fix restored it. Back on stock due to other issues with Candy, LTE still working.

Let me get this straight your lte is working on stock after installing candy ( I've haven't had no issues with candy thus far )

bg4m3r · Apr 15, 2015

master odysues said:
Let me get this straight your lte is working on stock after installing candy ( I've haven't had no issues with candy thus far )

Yes... after CM broke it

Deleted User · Apr 15, 2015

I had the signal drop issue as well. To temporarily fix this, try the following: go to Settings > Mobile networks. Under Preferred network type, select 3G. I noticed that my signal was dropping due to an incorrect APN configuration. Switching network types causes the signal to drop temporarily while it changes from 3G to LTE or vice versa. After I applied the APN fix on my phone, my signal stopped dropping randomly, and my GPS signal started locking more quickly. If you stay with 3G, the signal will stay constant. Let me know what's up.

DrJonJ · Apr 18, 2015

So I should select CDMA then apply the APN fix?

Deleted User · Apr 18, 2015

If the APN fix won't work, select CDMA. Your signal should stop dropping.

DrJonJ · Apr 18, 2015

bhambalek said:
If the APN fix won't work, select CDMA. Your signal should stop dropping.

Well APN didn't work, so I'm without LTE for good now? Not that I get LTE in my primary area.

bg4m3r · Apr 18, 2015

DrJonJ said:
Well APN didn't work, so I'm without LTE for good now? Not that I get LTE in my primary area.

Install Candy ROM and APN fix.

DrJonJ · Apr 18, 2015

bg4m3r said:
Install Candy ROM and APN fix.

I tried that to no avail.

Deleted User · Apr 19, 2015

Manually configure your APN settings to the following listed on this website:http://www.4gtricks.com/2014/08/sprint-apn-settings-sprint-4g-apn-settings.html?m=1. I had LTE working when I did this.

bg4m3r · Apr 19, 2015

DrJonJ said:
I tried that to no avail.

Did you go into the APN menu and set the APN?

OtaconEmmerich · Apr 19, 2015

I've also applied the APN fix but LTE doesn't lock on or show properly till I go into the APN menu and edit the settings to "nudge" it into LTE. Anyone know what the proper settings should be? Maybe the fix missed something..

niteryder · Apr 19, 2015

Sure are a lot of LTE issues with this phone.

totalrecarl · Apr 20, 2015

niteryder said:
Sure are a lot of LTE issues with this phone.

Only after flashing CM. Don't flash CM and there won't be a problem.

myalias · Apr 22, 2015

DrJonJ said:
Well APN didn't work, so I'm without LTE for good now? Not that I get LTE in my primary area.

Yes you're doomed to never ever have lte #same

magnux · Apr 22, 2015

I am having the dropping signal and no lte on a completely brand new, stock and nonrooted volt.

I had another volt that broke and the lte on that worked fine and no dropped signals at all. I don't understand why this is happening to some phones and other phones are fine. My area has good lte signal too.

TegraDroid · Apr 23, 2015

im running the rooted zv5 deodexed rom flashed the radio at the time of flashing . later flashed the apn fix but i still have issues with this phone dropping signal like crazy. i have strong lte in my area i never had a problem until recently with this phone dropping in and out. ill take a few screen shots between a 10 min interval and show you what its doing. any help or advice is greatly appreciated. is odexed better the deodexed?

magnux · Apr 23, 2015

TegraDroid said:
im running the rooted zv5 deodexed rom flashed the radio at the time of flashing . later flashed the apn fix but i still have issues with this phone dropping signal like crazy. i have strong lte in my area i never had a problem until recently with this phone dropping in and out. ill take a few screen shots between a 10 min interval and show you what its doing. any help or advice is greatly appreciated. is odexed better the deodexed?

The difference between odexed and deodexed is mainly if you want to use custom themes. this explains it pretty well: http://codeversed.com/deodexed-vs-odexed-rom/

i am downloading the odexed v5 ROM right now. going to flash that with the z5 radio and APN fix and crossing my fingers that it will work.

Root Constant Signal Drop

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