[P-3100]Signal issues after flashing CM 11 and then CM12.1 - Galaxy Tab 2 Q&A, Help & Troubleshooting

I basically have no signal ever since I flashed the roms. It says no service. The signal will go when I wake the device and sometimes it comes back when i connect to wifi. It is acting really weird. I dont remember exactly when this happened but I have been overlooking it for a month now since it wasn't as frequent, but now this is a permanent issue, I can't make any calls. I even just flashed CM12.1 in hopes of solving the issue with an update but it didn't work. Please help me out :crying::crying:

Can someone guide me on how to flash the modem, I read somewhere that it would fix the issue. The rom i am on right now is cm12.1 please help me out here

Related

[Q] To all who has signal disconnection issues

Has anyone tried installing a custom rom and kernel? If so, does the issue still persist? Just trying to see if this is an issue with stock rom or kernel, or just radio.
I have cataclysm and Franco r11 and today out of nowhere I lost phone signal all day, but when I switched off wifi, it's back. not sure if I have messed something up, I'm currently searching for posts with help.

[Q] Losing Network Constantly - Latest CM Nightly Build

Hello!
I was using the SungSonic ROM for almost a year now and I decided to change it today. So I flashed a CyanogenMod Nightly build for the P3100 This morning.
It booted up fine, and there were no issues in the beginning.
But then it started disconnecting calls randomly. Like, Someone calls, The phone rings for a second and boom! It shows a missed call.
I figured rebooting it would fix it but it made my problem only worse.
It now barely shows any Network service at all. If it is there, only for about 20s before it goes back off.
Is there any way to fix it without flashing another ROM? I like CyanogenMod and plus, its for my mother and I prefer keeping it simple.
Also, keep in mind that my Tab does not get recognised on any PC with any Cable I could find.
So, I am stuck with PhilZ Recovery for the P3100.
If the problem can be fixed via Flashing a new Mode/Baseband then please, give me a .zip for only the modem and not the whole ROM.
Thank You for Reading and I will hope you guys help me out.
Regards,
Shinichi Reshima
Always do a nandroid B/U before you flash so if you run into a problem like this you can go back. CM nightlys are not always stable, and sometimes you can't use them unless you have the base stable version of that ROM already installed. Must try and install the base version of the build, it may fix your problem. I run CM11 by Android Andi with no issues and no nightlys.
Pp.

[Completed] Note 2 stutter help

Okay so, first off, I'm not much of a noob in flashing ROMS and tools, I've had a bit of experience with a Samsung Infuse before, now I got this Note 2 and TouchWiz pissed me off, of course, now I need a lolipop ROM, I used ODIN to root and install TWRP recovery, also flashed a 5.1.1 "RESSURECTION" ROM, tried CM12 too, now the thing is, I'm getting a weird lag, this lag occurs randomly, lasts 2-3 seconds, followed up with a weird vibration, yes the vibrator vibrates the fone whenever this lag occurs... Now I tried a lot of stuff, except unlocking the bootloader because I'm not sure if it'll fix it or not, also after a while I noticed that it didn't detect my SIM card, could it be that my phone is refurbished? Everything else works ok but the lag makes it unusable.. The lag occurs on both CM12 and the other ROM so I don't think it's because of the ROM.. I'll revert to stock Kitkat using ODIN, but I really need to fix this. I tried Google for solutions but I can't seem to find anyone else having the same problem... So please help me out here mates
Duplicate.
Weird Stutter/Lag on lolipop
Please wait there an answer, is the best place and don't open anymore duplicate threads.

Do I need to flash anything other than just the ROM?

I recently rooted and flashed Sultan's MM ROM. I began to have network issues and this morning I saw No SIM Card error. Rebooting fixes it for a while, before it returns. I also see that the signal indicator drops to no bars a lot (used to have this on Lollipop too). I tried resetting APN settings. That didn't help much.
I flashed using TWRP 3.0.1. Could that be an issue? I see many threads saying that 2.8.6 was stable.
In this thread, the person said they had flashed CM Snapshot to address a similar error. Is that something I have to do? If so where can I find it? I am on TMo USA.
Or is there another fix?
Have you flashed latest modem?
http://blazingphoenix.in/mzo/ONE/Modems/

[Completed] LG D850 Data dropping!

hello everyone, i'm facing a problem since i flashed the Fulmics 5.1 to my LG G3 D850
sometimes i lose signal, sometimes it tells me no sim card sometimes it searching for network, i really don't know if this is hardware related or software related because i went back to stock with LG flash tool and it appears to be useless, then after days and days looking for solution, i thought of the Modem flashing i flashed the D850_20F_2.0.1.c1.13-00050_Modem and D850_21Q+R_2.0.1.c1.13-00058_Modem
nothing worked, i always have to turn of then phone and restarted multiple of times to get services Reception, this phone is driving me Crazy what i did wrong ? is it something with Kernels !? i hope i find a solution here, u looked it up and i couldn't find any solution unfortunately
Until now i'm in Resurrection Remix 6.0.1 ROM and it's the Best ROM i ever used in my Life i wiped the data tons of times it seems to be useless, i remember once i opened the phone and cleaned it from the inside and closed it again i got the main board out, then the phone stays without any problems for 2 weeks !!! then i said to my self it's so fine let's try Euphoria ROM i flashed it and suddenly no services again, i don't know there is a black devil inside my phone ? could be possible ? i almost killed my self i hate this phone i hope someone helps me out.
sadly i tired to flash euphoria rom with GAAPS + furnace-d850-aosp-20150228 Kernel !
and the screen is flickering and fading out to black, i almost can't use the phone without the screen, i wanted to back to stock to fix everything now everything is so messed up i can't do anything please for XDA sake help
Thread closed.
OP is aware of his device's Q&A section.

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