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[Q] Data Drops During Calls. Please Help.

Hello guys. I have the n900t, I am now running tweaked s5 base n4 style v6.0. And I run alot of n9005 ROMS as well. With that said here is my issue. For only the past few weeks ( month tops) every time i make or recieve a phone call my data drips down to hspa. The second i hit call and right before my phone rings is when it happens. After my call the data takes a very long time to jump back up. This is a new issue and i have no idea what it is. However, i did flash back to a stock ROM and the issue was solved. And i forget which rom it was but it was soley TE based and there were no issues. I did try to flash a modem but it didnt take. Is anyone else experiencing this problem? Or can anyone suggest a fix for it.
Thank you for your help.

bump.
Still having the issue. I tried to flash a new modem and it just failed anyway. Dont know if I should try a radio. I just cant fivure out why this happened out of no where. I was fine no matter what ROM I was running. Now...this crap. Please guys, 40 people saw this, can SOMEBODY please help.

mattdiehl83 said:
Still having the issue. I tried to flash a new modem and it just failed anyway. Dont know if I should try a radio. I just cant fivure out why this happened out of no where. I was fine no matter what ROM I was running. Now...this crap. Please guys, 40 people saw this, can SOMEBODY please help.
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1) Quite strange - your picture suggests you are on Verizon yet you comment about a N900T in the forum for the INTERNATIONAL Note 3. On what network are you? Are you aware that there might be network-specific factors involved which could only be visible for other users on exactly the same network in exactly the same region?
2) Try stock ROM (with corresponding stock modem) from a location with very good signal.

5 he physical device is an n900t, however, I am running as of now, the hyper drive note 5 port with n4 UI. When I do flash back to a full stock TW ROM all is good, A FEW TW based ROMs seem to be OK. Like this one, the calls do not affect the data signal. But most ROMs do effect it in that way. You said that it shows I'm running Verizon?
But I am very curious why all of the sudden I am having this issue. I have never had it before. Except with a few specific AOSP based ROMs. I just can't figure out what it is that's causing it. I have done vigorous wipes of the phone to no avail.
And I am in Philadelphia so there really is no place that is actually bad reception (except in the susubways of course...lol)
And thank you for your reply.

mattdiehl83 said:
5 he physical device is an n900t, however, I am running as of now, the hyper drive note 5 port with n4 UI. When I do flash back to a full stock TW ROM all is good, A FEW TW based ROMs seem to be OK. Like this one, the calls do not affect the data signal. But most ROMs do effect it in that way. You said that it shows I'm running Verizon?
But I am very curious why all of the sudden I am having this issue. I have never had it before. Except with a few specific AOSP based ROMs. I just can't figure out what it is that's causing it. I have done vigorous wipes of the phone to no avail.
And I am in Philadelphia so there really is no place that is actually bad reception (except in the susubways of course...lol)
And thank you for your reply.
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Click to collapse
1) Your avatar mentions Verizon for some reason.
2) If it is all OK with the stock ROM then it is a problem with the custom ROM, ask in the specific thread for that specific ROM. Most likely it has something to do with the modem and the corresponding RIL.

So when ever a new ROM is flashed the modem is flashed as well. Unless the dev says otherwise?

Help with MotoX Pure on Verizon. Only has cellular data, no voice/sms.

I purchased a used Moto X Pure Edition on Swappa. The phone was rooted, but the seller flashed it back to stock (as far as he told me). I was hoping that I could eventually get the OTA for nougat when it came out, so he assured me that the phone was in "stock" condition.
When I received it, I went to a verizon corp store and got a new sim and they activated the phone on my account. I see 4G LTE and data works great, but when attempting voice calls it says "no cellular network available". SMS messages don't send. I called verizon tech support and we changed some settings around, but it never worked. Guys at the corp store had no clue. The sim works fine in my old verizon galaxy SIII.
Someone on a reddit thread suggested that I check the firmware. It currently reports as: 24.12.18.clark_retus.retus.en.US.retus Does anyone know if this is correct? Is there anything I can do to get this working, or once it's rooted is it really impossible to get it back to stock, or has the seller somehow screwed it up during flashing?
Thanks!
UPDATE: It seems to be fixed after re-flashing the factory image from motorola. I used MPH24.49-18_18 from this page: https://motorola-global-portal.custhelp.com/app/standalone/bootloader/recovery-images#

I'm on VZN - was rooted running CM13 then Slim Rom then went back to stock (PITA) So it can be done ( my firmware : 24.221.4clark_retus.retus.en.US retus) but why would you want to go stock? I only did thinking we were getting Android N soon but that doesn't seem to be happening. Root the phone and throw a custom Rom on it. You will be happier. Have you checked the network type? and the APN?

MedzHovig said:
I'm on VZN - was rooted running CM13 then Slim Rom then went back to stock (PITA) So it can be done ( my firmware : 24.221.4clark_retus.retus.en.US retus) but why would you want to go stock? I only did thinking we were getting Android N soon but that doesn't seem to be happening. Root the phone and throw a custom Rom on it. You will be happier. Have you checked the network type? and the APN?
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I've switched the network type (global and then LTE/CDMA). The APN that is default selected is Verizon Internet. But, I've tried all the other APNs as well.
I'm worried at this point that I'll never get it to work with voice, whether it is rooted and rom'd or not.

Try Flashing to CM 13 or Slim6 both worked for me.. Please dont hate me for asking.. you sure you have the sim in the right way? I know this try is tricky

MedzHovig said:
Try Flashing to CM 13 or Slim6 both worked for me.. Please dont hate me for asking.. you sure you have the sim in the right way? I know this try is tricky
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Not hating. I'll take any help I can get. Yes, I'm certain I put the sim in correctly. Cellular data works, and the phone shows as being on the Verizon network, just not voice enabled.
I'd rather not root and flash at this point, as I'm likely going to return it as non-working. Unless someone has any other ideas?

Well, I guess I fixed it. I reflashed the factory image from this page: https://motorola-global-portal.custhelp.com/app/standalone/bootloader/recovery-images# and the sim is reporting voice and data, and calls and sms are working. I'm not sure what image the guy that sold it to me flashed, but it was obviously wrong or he didn't do it right. Thanks for the help!

Moto g5 plus, single SIM, no LTE on custom ROM?!

Moto g5 plus 64g (single SIM),unlocked bootloader, root...4g works fine on stock ROM rooted w/Xposed
. ..and that's great but Ive flashed custom ROMs
Resurrection
...and Halogen
... and Desolation
... and they are very nice ROM s but I only get 3g (no LTE) and the only info I find on this is a quick-fix w/jio SIM using a DUAL SIM. .... Am I the only unlucky human w/a single SIM 3g problem?
I was so excited about this phone, thought I did all of my research , bought TWO 64g g5 plus phones(not 32g no way because I wanted to BEST lol but its single sim, stupid me).
...should I just give up on custom ROMs ? ...or is there something can be done?
Ive being at this for 2 weeks now...Any/all info very appreciated.

I would've posted in other forum but wouldn't let me due to lack of status....or rep...or bling..or something.

Do you have correct APN set? On some custom ROMs I have installed I had to change APN, because it was set to first in the list by default.

I dont know much about APN ...not durecwhst it's suppose to be set at..im boost mobile.. I'll start researching that next ..thanks brother

No luck.
I found the APN settings on Boost mobile site, I set/saved that to no avail.
I went back to stock/rooted and 4g works fine. But no matter which custom ROM I use I still only have 3g.
Surely someone somewhere knows how to set/fix this.
Can a Mod move this to where someone may have hands-on with this 3g vs 4g issue? Dev or someone?

Month later...5 custom roms later...still either no 4g on custom rom or no camera on simple root w magisk. I still can't post in Dev forum.

No LTE
Bigmotoxer said:
Month later...5 custom roms later...still either no 4g on custom rom or no camera on simple root w magisk. I still can't post in Dev forum.
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Have the same problem, how did u go back to stock? TWRP restore? or did you fastboot flash stock fireware? I'm not sure if it makes a difference but after reading a few of these it looks like stock firmware may need to be reflashed with fastboot then start flashing custom ROMs with twrp. If you get the answer let me know if i find out I'll let you know?
Thanks
Update: yes there are ROMs that will fix the LTE problem, I was reading someone with a connection problem someone suggested downloading stock debloated , another suggested AOKP, downloaded both , first I tried debloated got LTE , then flashed the other, for VoLTE. Also I'm not sure if this is correct or not but fastboot flashing modems may work I'm not exactly sure and would need to look it up further is something else I read but didn't try as its 2:00am and I'm being yelled at by a hidden speaker in my kitchen which is why it took so long for me to even try to look for a reason because I've been getting yelled at so long I think I got cancer, I hope Santa brings them a tall glass of shut the f up so I get one day without being yelled at , also Lineage 15 says LTE working. I haven't used it since I don't want to mess with 8.0 right now. MeryXMaz

I'm havin the same issue. Also with Boost Mobile. Most other devices I've rooted have had some sort of boost/sprint/virgin APN fix .zip. But I donno....

RozWellZ said:
Have the same problem, how did u go back to stock? TWRP restore? or did you fastboot flash stock fireware? I'm not sure if it makes a difference but after reading a few of these it looks like stock firmware may need to be reflashed with fastboot then start flashing custom ROMs with twrp. If you get the answer let me know if i find out I'll let you know?
Thanks
Update: yes there are ROMs that will fix the LTE problem, I was reading someone with a connection problem someone suggested downloading stock debloated , another suggested AOKP, downloaded both , first I tried debloated got LTE , then flashed the other, for VoLTE. Also I'm not sure if this is correct or not but fastboot flashing modems may work I'm not exactly sure and would need to look it up further is something else I read but didn't try as its 2:00am and I'm being yelled at by a hidden speaker in my kitchen which is why it took so long for me to even try to look for a reason because I've been getting yelled at so long I think I got cancer, I hope Santa brings them a tall glass of shut the f up so I get one day without being yelled at , also Lineage 15 says LTE working. I haven't used it since I don't want to mess with 8.0 right now. MeryXMaz
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Thanks for responding. I still haven't found a fix for the LTE. I will try to aokp again maybe something has been fixed or added. I did fix my camera problem by flashing elementalX so that's good. But not having LTE is not cool. And I also did not want to message w 8.0 yet.

So I tried AOKP to no avail. Still no 4g/LTE. That's time I'll never get back lol.

had the same problem XenonHD seems to work well...

I'll try it thanks

Hoping it'll get better with the official 8.0 release.

MI A1 Network fluctuation with custom ROM

Hey Folks, as we all know how stock ROM sucks, I remained on custom ROM to max extend. But sadly I have to revert to stock due to network fluctuation issues. I use Jio as my primary and Airtel in SLOT 2. Fluctuation is widely seen in slot 1 which is reported by many others as well in respective ROM thread.
I have tried methods flashing custom modem image and network signal guru. But none seems to fix the case.
Anyone aware of other methods to fix the network fluctuation issues seen in custom ROMs? May be using any custom kernel?
Please help me to remain in custom ROM!
Cheers,
Hari.

Same here all cust rom has this network fluctuation issue and it is to do with the code. It seems if any one can fix this. It will be great..

haariseshu said:
Hey Folks, as we all know how stock ROM sucks, I remained on custom ROM to max extend. But sadly I have to revert to stock due to network fluctuation issues. I use Jio as my primary and Airtel in SLOT 2. Fluctuation is widely seen in slot 1 which is reported by many others as well in respective ROM thread.
I have tried methods flashing custom modem image and network signal guru. But none seems to fix the case.
Anyone aware of other methods to fix the network fluctuation issues seen in custom ROMs? May be using any custom kernel?
Please help me to remain in custom ROM!
Cheers,
Hari.
Click to expand...
Click to collapse
The same, please helppppppppppppppppp!!!!

Noticed the same on Vodafone AU, no matter what network mode I set it to. Even on 3G only I get drop outs and fluctuations.
I'm hoping it's just some extra modem related package or service missing from the vendor blobs, but I've not had time to look into it yet (with my limited skills in this area).

For me also lot of fluctuations. Sometimes totally black signal bar. Hope somebody can fix it. I fixt it for now with automate and set network to 2g when on wifi and after lock screen when I am on mobile network.
Modem zip in forum don't solve it for me and also lock some bands with signal guru didn't do the trick.
Hope somebody can solve it a lot of people are suffering this problem.

daveve said:
For me also lot of fluctuations. Sometimes totally black signal bar. Hope somebody can fix it. I fixt it for now with automate and set network to 2g when on wifi and after lock screen when I am on mobile network.
Modem zip in forum don't solve it for me and also lock some bands with signal guru didn't do the trick.
Hope somebody can solve it a lot of people are suffering this problem.
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Has anyone tried using custom kernel? Just curious on if any custom kernel fix this.

Same issue I have been facing, I had re-partitioned my device for Treble using CosmicDan's guide so that I can try all the best custom roms out there and get all updates as they are released but when I faced this issue, I had no choice but to revert back to Android One rom, undoing all the process

haariseshu said:
Has anyone tried using custom kernel? Just curious on if any custom kernel fix this.
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Nope change kernel don't solve network problems it has something to do with the modem.

https://forum.xda-developers.com/mi...nel-r1-android-8-0-beta-t3758768/post76859233

Bump
Sent from my epic G900F (CM11, [emoji173]️ Holo Dark) Gadget of Mass Destruction using Tapatalk.

What is weird is sometimes network stable when updated the rom... And goes back fluctuated the next update...

awandroid89 said:
What is weird is sometimes network stable when updated the rom... And goes back fluctuated the next update...
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Click to collapse
Probably resetting modem settings, assuming you've made any.
China only uses maybe 5 bands, and most of the population doesn't often travel far from home; so roaming and tower switching isn't an issue. That, and a power management issue I think are responsible for our network issues.
My money is on these devices working perfectly in the motherland.

Faced the same , almost on every custom ROM .Jio 's volte doesn't work most of the time. Switched to January stable stock twrp with magisk . Now everything is stable , no volte issues at all .
Now my question is , the issue is with ROM or modem file ? As you guys are saying that it is a modem issue ..as now I am on January stable modem , I will try to flash a latest build of any custom ROM and will report .

sikoo1996 said:
Faced the same , almost on every custom ROM .Jio 's volte doesn't work most of the time. Switched to January stable stock twrp with magisk . Now everything is stable , no volte issues at all .
Now my question is , the issue is with ROM or modem file ? As you guys are saying that it is a modem issue ..as now I am on January stable modem , I will try to flash a latest build of any custom ROM and will report .
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Can you post January modem file twrp flash able?

kemdroid said:
Can you post January modem file twrp flash able?
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Click to collapse
There's a TWRP flashable May modem patch somewhere in the MiA1 forum. I've flashed it and the results aren't perfect, but circumstances have improved.

I have tried all March, April and May modems and all have problems with custom ROMs and network fluctuations for me. (IND Airtel operator) and even 3G is fluctuating with state owned BSNL. January is the only one I haven't tried which I will after getting a reply from sikoo1996.
I have very limited knowledge of these matters and so far all my attempts with dialer code menu or settings or Network Guru have all failed. Guess I will ditch this phone and stick to my S5.
Sent from my epic G900F (CM11, [emoji173]️ Holo Dark) Gadget of Mass Destruction using Tapatalk.

kemdroid said:
Can you post January modem file twrp flash able?
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I flashed sooti's stock twrp zip (which includes modem), I don't know if it can be made a seperate flashable zip.
---------- Post added at 05:34 AM ---------- Previous post was at 05:33 AM ----------
hnkotnis said:
I have tried all March, April and May modems and all have problems with custom ROMs and network fluctuations for me. (IND Airtel operator) and even 3G is fluctuating with state owned BSNL. January is the only one I haven't tried which I will after getting a reply from sikoo1996.
I have very limited knowledge of these matters and so far all my attempts with dialer code menu or settings or Network Guru have all failed. Guess I will ditch this phone and stick to my S5.
Click to expand...
Click to collapse
Rit now I am on jan stock build , means on Jan modem .I will flash a custom ROM now ..later today and will report back about the issue .
Cheers?

I dunno if it actually works for everyone but,
Swapping the SIM card slot worked for me.
Using RR latest. I also flashed stock modem.img but that didn't fix the problem then. It's fixed now by swapping SIM slot.

Hey guys. Try flashing the latest modem and then, go oh ahead to *#*#4636#*#* and select network mode to TD-SCDMA/CDMA/UMTS . ?

https://forum.xda-developers.com/mi...nel-r1-android-8-0-beta-t3758768/post76886544
As @methuselah pointed out, there is a more appropriate place for this conversion.
Please read through link and respond to this thread.
@flex1911, I'm sorry for straying so far off topic for long. I'll copy and paste necessary posts here asap, Within the day, so that they may be scrapped or deleted there.

Lte/apn issues

Does anyone have this issue with roms such as Linage,Ancient and Stag. I install Crdroid that rom gives you the option to turn on mobile data the other ones dont. Lineage,Ancient and stag roms LTE works BUT if you turn off the the one plus 6t in order for LTE to work again you have to pop the sim in and out what is this all about? CAN someone PLEASE help me understand this!!!!!!!

This is errant behavior.
I think there is nothing to understand, and that returning your phone to stock is the correct approach.
It will either be stock international, or stock branded. Find out which one your phone needs.
Once you've straightened the phone out, you can begin again to follow your desired upgrade path.