No signal+data or imei number on any custom rom - Nexus 6 Q&A, Help & Troubleshooting

No signal+data or imei number when flashing any custom rom(Sprint). If I flash back to my nandroid backup i have to then go to the sprintDM and do a device update and profile update before i get my signal back. it acts as if it is activating the device again. The first few times I had flashed custom roms this didnt happen, but when I finally decided which rom I was going to settle on (Elixr) for the time being, I flashed it and havnt been able to get a data signal since. Any ideas on what I could do here?

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Unlock a phone with custom Rom?

My phone will no longer restore to factory stock ROM even though I have done back ups.
This appears to have caused the phone to "lock"back to the original network and is why I am getting the error when trying to connect to the new mobile network.
How can I unlock it with ICS by Cyanogen?

[Q] HELP No service after reverting to stock from beanstalk rom

Okay So first of all, I flashed the new beanstalk rom yesterday and I didn't really like it and I didn't have a nandroid backup so I just ran the ruu and reverted back to stock and then re rooted. But ever since I reverted back to stock I have no bars. It says I have 4g but I have no bars. I can go on the internet but I cant make calls. When I flash the beanstalk rom it works and I get service but the second I go back to a stock rom or run an ruu the service is gone again. Any help would be greatly appretiated. Thank you
If your running on Sprint's network do a ##72786# from your dial pad and it will begin a hands free activation and just let it do its thing the only thing you might have to do is press either an OK or even NEXT.
I hope that helps. :good:

[Q] Imei and baseband switching off and on

Hi Guys
My phone is 2 weeks old (refurbishment)
I have rooted my n7000 with PhilZ-cwm6-XXLTA-ATL-5.15.0-signed.zip
on stock ROM N7000XXLT9_N7000XXLT3_N7000OXXLT3_HOME.tar.md5
Then started my problem with my phone.
Initially i thought that just my signal goes off and on and i did not checked anything else as this was just for a short time period. Later, the period was getting longer and longer till signal was back on again. Later i had to hard reset my phone in order to retrieve my signal. After a few hard reset i realized that baseband is unknown and IMEI is is uknown. when dialed *"06" it shown null / null. Also i tried to flash different stock ROMs
I thought its problem with efs so i replaced it from backup but nothing changed. sometimes IMEI and baseband goes on and off again and again.
Would you suggest that is hardware issue or software isue?
It does not bother me much as I will have replacement in 3-4 days. The question is could this happened to my next n7000 again?
I have read may topic on this server but nothing was same issue as mine
I have been flashing and playing with ROM for last couple of years and never had any problem.
I have the same problem before when I started using 4.2 Custom Rom but later after revert back to stock JB the problem disappear..

[Q] Imaginary WiFi after Sprint OTA

I started with a fully stock Sprint m7 and took the most recent OTA with sense 6. I then did a factory reset. Since that reset, I have WiFi networks showing up in my list that don't exist. Upon further inspection, the signal db of these fake networks never change, and the mac addresses are all zeros. The WiFi works just fine other than this strange anomaly. I planned to unlock and flash AOSP anyway, so I ignored it and assumed they would go away after flashing. I unlocked and rooted, flashed another sense ROM, then went s-off with firewater. I then flashed cyanogenmod, the latest nightly. These networks are STILL SHOWING UP. What the heck is going on? I'm guessing its buried in the kernal so that why it persisted through multiple ROM flashes? I have googled and searched here several times and I can't find anything related to this issue. Again, it was 100% stock when this started.
I'm S-Off, running the Thoughtless One ROM now (latest sprint OTA base, rooted with bloat removed)
I flashed latest firmware with hboot and such removed.
Random WiFi neworks keep showing up "in range". I was able to locate one by its name, the business is next to where I had lunch one day. I never connected to it, and I'm 10 miles from it.
Anyone have sugestions? I don't know enough about this OS to understand where this bug could be hiding. It all started back when I was fully stock and took the OTA with Sense 6. It's starting to make me paranoid. :silly:

Phone won't connect to network and custom roms don't work

So I think I messed up my phone.
TL;DR: Messed up phone by removing stock rom, Costume roms don't work except 1 and in that one IMEI is set to zero and I can't connect to any network.
several month ago I had the stock xperia z Lolipop and made a decision to root the device. I unlocked it's bootloader and did the rooting... all as planned. about a month later my phone started acting funny, so I decided to reset it, the problem is I had installed TWRP and as noob in using the app, I accidentally wiped the entire device. I thought I had bricked the thing so I left it aside.
I had been using an older phone as replacement until last week when I thought I'd give the Z another chance. I looked around this forum, found a bunch of stuff, tried a lot of roms and after failing to make 4 roms work (Cyan nougat, Cyan MM, Costumised sony 5.1.1 and a stock one I found here) I managed to find a fifth one that worked (http://forum.xda-developers.com/xperia-z/general/android-5-1-available-yuga-pabx-t3054304). I always followed the tutorials but I may have done a lot of mistakes... for example I'm not even sure what kernel is and if I needed to change it for any of the roms or if I needed to like wipe the entire system or not before flashing ( I did all the time), and what about rooting? does the system require a previous rooted rom to install new ones? don't we simply format the entire device?.
Now the major problem of the working rom is that my phone can't connect to it's simcard network, the simcard is working since it requires pincode on start and the phone can find the networks by manual search, it simply gives an error "network XXX unavailable". I looked around and saw that my IMEI is set to all zero's in the phone about section. this could be unrelated to the network problem... but I don't have much expertise in these stuff.
So right now it seems like I can't install any other roms (they won't even start up, most get stuck during boot) and the only one I can install doesn't give me network access.
Any Ideas?

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