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[Q]help with "Mobile Network not available" on stock ROM

Problem I am trying to solve: As soon as the device boots I get the notification "preparing network" and when I try to dial a number on the stock ROM and get "Mobile Network not available"
A Nandroid restore CM11 appears to connect to the mobile network (I can dial a number but get "your account could not be validated" because the device has not been successfully activated on the network yet)
Here is how I arrived at such a dilemma.
okay, I am gonna try to format this in a way where you can skip some sections that might be a little "ranty" while still making it informational while still requesting some assistance.
A little background (feel free to skip this part) I have been rooting and ROMing phones for a few years to support my Cyanogenmod fix. I buy my phones on eBay or Craigslist, and verify I can setup a recovery, then backup the rooted Stock ROM (to activate the device and update PRL, etc.) then install the CM version of my desire and transfer over all my settings and backup files and restore them so I have had the same look and feel for the operating system of my phone for the last few years. I am on TIng (a Sprint MVNO) and have had zero problems performing these hardware upgrades from my droid, to my galaxy nexus to my second galaxy nexus, to my galaxy S3 to my second Galaxy S3 on a regular basis using their website.
Last Friday, I picked up a Galaxy S4 (running NAE) at the local Sprint store and once verified by the Sprint employee as being a clean ESN, I was set to start my process of rooting, installing recovery (I chose TWRP), then Nandroid backup of the stock ROM, then install CM 11 M6 and copy over my backup files (Titanium Backup) from my S3 and restore them, then Nandroid backup of the CM 11 install, then restore of Stock NAE ROM to activate the phone. Here is where things get a little fishy.
For awhile now, I had been always used Clockwork in the past but several comparisons score TWRP a little higher for features and functionality so I decided to use that for my recovery. It installed CM just fine and it seemed to perform Nandroid backups without any problems (or so I thought). I attempted to restore my Nandroid Stock ROM to activate the device and upon boot I saw the familiar Cyanogenmod screen. I tried it again, but same thing. No big deal, I'll find a stock rooted NAE ROM, copy it to the SD card, install using TWRP, activate, Nandroid backup, then restore my CM Nandroid backup and be up and running. I installed the Stock Rooted NAE ROM using Odin and lose my TWRP recovery so I reinstall TWRP and make a Nandroid backup of the Stock Rooted NAE ROM using TWRP. I make sure my TWRP restore can restore my CM11 Nandroid backup and it does. Okay, I should be all set. I have a nandroid backup of stock and CM11. All I need to do is restore stock, activate and I am up. I attempted to restore my Nandroid Stock ROM backup to activate the device and upon boot I saw the familiar Cyanogenmod screen for the second time. At this point, I am a little frazzled as logically this has never happened in the history of all the devices I have worked with.
I start checking the forums to see if anyone has experienced this and see nothing. I see many "how-to" guides that cover all kinds of things for the Spring GS4 that include wiping the data and cache multiple times over and over using a recovery called PHILZ.
I abandon TWRP, restore Stock Rooted NAE ROM and as far as I can tell, I am ready to begin from scratch using PHILZ. Install PHILZ recovery, install CM 11 M6 and copy over my backup files (Titanium Backup) from my S3 and restore them, then Nandroid backup of the CM 11 install, then restore of Stock NAE ROM to activate the phone. This time I am able to successfully restore a Nandroid backup of Stock rooted ROM but I am seeing a little red x and zero bars for the mobile network connectivity.
I start checking the forums to see if anyone has experienced this and see a few people that have lost mobile network connectivity and claim loading a modem using Odin is the fix. I try NAE-Modem-Only.tar using Odin and that does not improve anything. I also try loading TriForceROM5.4 having read that any TW ROM can be used to access the menu to activate a device
Now I am stuck.
There is nothing I can do to get mobile network to work on a stock ROM. As soon as the device boots I get the notification "preparing network" and when I try to dial a number on the stock ROM and get "Mobile Network not available"
A Nandroid restore CM11 appears to connect to the mobile network (I can dial a number but get "your account could not be validated" because the device has not been successfully activated on the network yet).

this issue is resolved.
I followed the steps to "unroot / unbrick" my phone using multiple stock ROMS and finally, the stock ROM L720VPUFNAE_L720SPTFNAE_SPR performed a full reset on my device (all partitions). I wish I remembered the page that linked me to the download of that ROM but googling that name should provide you a few places to get it.
not sure if that helps anyone else but my appreciation to QBKING77 for his multiple "How-To" videos.

No Data Samsung Xcover 2 GT-S7710L -- Latin Version

This all started when I ran out of data on my device and decided to root it so that I could use the SD card. I had previously rooted a droid 2 and a galaxy nexus so I wasn't a complete noob but I'm not in any way a programmer and I had never used Odin. So not wanting to mess with things without having a back up I followed some tutorials and downloaded the android sdk and used adb to back up. I thought I was doing a full system backup but whether I made a mistake or this simply doesn't back up everything I don't know. The file size should have been a clue but I missed it. I did get my apps
I then proceeded to follow the tutorials on this site for rooting the device. They are all for the GT-S7710 but I was hoping the letter (L) was a program only type thing and wouldn't make a difference. I used this guide http://forum.xda-developers.com/showpost.php?p=40232503&postcount=45 and downloaded the DEODEXED Version. I then rebooted the phone and everything appeared to be working fine and I was rooted. I could have sworn I had data. I then realized that I didn't have CWM as a recovery so I downloaded and installed CWM recovery http://forum.xda-developers.com/showthread.php?p=43294839 It was after rebooting (and maybe a reset I can't remember at this point) that I noticed I had no data.
So I flashed a few other ROMs including VANIR (and the recovery he suggests) http://forum.xda-developers.com/showthread.php?t=2689519 I and CM 11 plus a stock rom (S7710LUBAMC1_S7710LUUBAMC1_CHO Samsung kies tells me CHO is the region for my device) but didn't have mobile data in any of them.
Still hoping to get mobile data working again I flashed a stock Recovery and A stock Boot.img from here...(Well I can't seem to find the thread now). It was a link to the stock boot.img and stock recovery.img (GT-S7710) from someone wanting a CWM recovery built. I then reflashed the stock ROM from above still no mobile data. My flash count in download mode is up to 26 lol and nothing I have tried restores the mobile data although as long as the phone boots, I do have wifi.
Is there ANYthing else I can try? I would really like to have my mobile data back even if it means I don't get to root.

No data connection
It turned out my no data was caused by not having any APN settings after flashing the custom ROM. I copied the settings from hubbies phone and now data works fine. I can't believe I spent so much time working on this and trying different things when it was something so simple.

[Q] Galaxy S5 android 5.0 and recovery

Hi guys
I'm using samsung galaxy S5 (4.4.2) and recently upgraded to 5.0 using custom rom which I found here. It was working just great. I created 2 Nandroid using TWRP. One after a fresh installation another one after restoring my file contents from Helium and Titanium backup..
However something went wrong and i decided to restore my nandroid backup to revert back my changes. To my surprise both nandroid backup failed. I got a success message (using recovery mode) however when i reboot my phone im getting tons of messages like "System failed to start" "process failed to start" wait or press ok.
When I reflash the custom rom, it works fine, however i couldnt recover my system from nandroid backup.
I repeated several times but both nandroid gave me this same error. I even tried fixing permissions but no use. Then I used odin to flash a stock rom (BOA3) and rooted that using TWRP and most recent SU binaries. Its working great now, however I just wanted to know what is the best method to take a nandroid backup now? I'm afraid TWRP will bail out on me once again.
All the while I used CWM and it was great however 5.0 requires latest binaries and only can be rooted via TRWP recovery. Any suggestion? I just want to take a complete nandroid backup and save it in case if something goes wrong.
Thanks

sam20e said:
when i reboot my phone im getting tons of messages like "System failed to start" "process failed to start" wait or press ok.
Click to expand...
Click to collapse
I'm being plagued by this problem since I updated, flashing stock Lollipop using odin.
The problem first appeared after trying to restore my app+data using Titanium.
I went back to the beginning and flashed again but my phone is still unstable and I still occasionally get the '"System failed to start" "process failed to start" wait or press ok' issue that you have. A reboot generally sorts it out but the update has made my phone very unstable.
I also have big problems entering recovery and download modes using the buttons.
Cleaning my cache/davlik hasn't solved it either.
Hopefully someone can help us.

Anyone?

Got "Reactivation Lock" disabled?
Settings > General > Security

*Detection* said:
Got "Reactivation Lock" disabled?
Settings > General > Security
Click to expand...
Click to collapse
Yes. Thanks for the suggestion though.

Trouble in Galaxy town
Hi, I'll try make myself short.
1) Back when I had an Galaxy S2 i modded it a little bit but I haven't done it at all since then.
2) Now a few years later I got bored/sick of the stock ROM that comes with the S5 so I wanted to install something I knew had a good reputation, Cyanogenmod.
3) Getting a new recovery was an nightmare itself but eventually I got it working and made an backup so I could roll back if needed to.
4) Now, 24 hours of using CM12 I can only say one sentence: "What kind of crap is this?!" It's so unstable it's almost ridiculous. Bluetooth hangs up all the time thus requiring a reboot which leads to most-annoying-thing-ever-#2. The clock resets itself upon EVERY boot which makes WhatsApp go bananas. Doesn't matter if I previously set the time/date manually or let the phone do it automatically. Then there are the random hang ups that occur all the time and one third thing. Hardware acceleration in BS Player doesn't work AT ALL!
5) Said and done I reversed to the back up but oh man the phone wasn't happy about this (yes I made a wipe before recovering the backup). Nearly every basic service malfunctioned and were forcibly shut down. A factory reset made no difference...
6) For some reason I opened KIES and found out that an update with android lollipop was available so I (in a moment of despair) installed that hoping for salvation.
7) The phone boots properly and everything seems to be going wonderful until I realize that my network connection is high on something. Loses connectivity to my provider all the time thus the phone is totally useless.
8) I HAD to have a working phone for work and since no support is given on Sundays from Samsung I again installed CM12 just for the day.
Now to the good part!
9) When trying to recover the backup once again it's gone corrupt! Can't recover so now I'm stuck with buggy-as-h*ll-cyanogemmod12 with no means of reverting.
What-the-actual-****-do-I-do? Been trying to make some sense from the thread "Galaxy S 5 Original Android Development" but I feel so lost. So if someone could point me in the right direction I would be very grateful!
EDIT: What I want is to reverse back to original stock ROM. Screw the bloatware. I just need the phone stable and working!
EDIT2: After some more googeling I've figured out I need a stock ROM with the right CSC. I use a swedish carrier other than 'tre'. Shall I look for ROMs with CSC 'HTS' anyway? Can't find any info about other carriers in sweden.
EDIT3: Now I've found what I think is right on sammobile.com/firmwares/database/ (search query: 'g900f', first hit 'Sweden' CSC 'VDS'). Worried thou as it's Android Lollipop which made my phone go nuts. Can't find the KitKat version on that site...
EDIT4: Found the KitKat version on samsung-updates.com. The download speed is sooooooo slow (~6 hours)! Download limits should be illegal...
Thanks! //R

HELP NEEDED Can't update to Lollipop

Alright, I have a Virgin Mobile S4. I rooted it a year ago with towelroot and installed clockwork mod on it to install cyanogenmod. I tried it, didn't like it so I restored my backup of the stock rom using CWM.
Fast forward to now. I tried to update my S4 OTA for Lollipop, but it would give me an error. I figured it was because I had changed the recovery software. So I went and downloaded the virgin mobile lollipop stock rom from sammobile. ( I337MVLUGOC4_I337MOYAGOC4_VMC ).
I tried to flash it onto my S4 using Odin 3.09. To no avail, it always failed at the system4.img.ext or something. From there I tried to make it work by using 3.10. Still failed. I googled for a fix or workaround and found something about reinstalling clockwork mod. I also tried reinstalling the PIT file for I337M. It was still not working. So I tried to flash back to my stock backup.
1st time I flashed, I kept having program that didn't want to start errors. I wiped dalvik, I wiped cache, I factory reset. Still bugged. So as a last resort I restored the backup again after having done all this. It worked! But...
Well, I'm at a lost now, I can't update using OTA, I can't update with Odin, I can't update with Kies. Now what? Is there a way to go back to the stock recovery and let the OTA or Kies update go through unhindered?
BTW, I had a problem when trying to use EFS professional to backup my EFS before the procedure. No matter which port I used ( front port or back motherboard port ), I could never make the backup, it said something about the phone currently being offline or something.
Anyway, I'd prefer to be able to switch back to the stock recovery and let the OTA or Kies do its thing. Any clues?
EDIT UPDATE: After fiddling some more around, I changed usb port again and reflashed using a more up to date version of Odin and I finally have Lollipop on my device, only problem is that I have no 3g or 4g connectivity even tho the IMEI, baseband and SMS as well as calls work just fine, what's wrong?

See first post edit^^

Diabo|ik said:
EDIT UPDATE: After fiddling some more around, I changed usb port again and reflashed using a more up to date version of Odin and I finally have Lollipop on my device, only problem is that I have no 3g or 4g connectivity even tho the IMEI, baseband and SMS as well as calls work just fine, what's wrong?
Click to expand...
Click to collapse
Did you check the APN settings? Make sure you have the right one for your carrier.

[Q] Stock (none rooted) sprint gs4 stuck on yellow screen

This is my wifes phone, who has always refused to have her phone altered in any way. Today, it started getting hung on the yellow sprint screen. A couple of times, another reboot would get past it. But now it's stuck for good.
She has some pics and thousands of contacts and SMS messages on it that she doesn't want to loose, so kind of afraid to do a factory reset or odin a fresh ROM. I don't know if she allowed it to take the latest firmware updates, so I don't know for sure what version is on it.
Can I odin CWM or TWRP only so that I can do a nandroid backup?
Once I know all the data is backed up, I can try the factory reset and/or odin rooted stock rom and use titanium backup to restore data.
Thanks

I don't know the answer but in my head I'd think you would have to have a working rom to back up in the first place. Maybe she ran out of memory? Flashing the stock Rom won't delete anything. Just did that a few days ago.

I went ahead and flashed CWM and did a nandroid backup. I used my other phone to look at the backup with Titanium Backup.
It looks like I will be able restore contacts and other apps/data. Not sure which item in the backup is for SMS history. In TB, I see a line that says "Messaging" and "Messaging+" and i don't see "com.adroid.providers.telephone".
I know the SMS's are in the backup, I extracted the tars in linux and see the folder /data/data/com.android.providers.telephony/

Used odin to flash the pre-rooted OD2 lollipop. It stayed on the yellow screen for several minutes, but I did notice that it played the full boot tune, which it hadn't been before. After a few minutes, it finished booting and started the setup wizard!