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[Completed] [Q] Phone says not registered on network.

hey, i have recently flashed a custom rom on my galaxy s4 gt-i9500 and i am having trouble getting network. then after then i again restored to the older rom but theres is no network. my imei is changed to 00449... something. i am getting full signal. but it is saying not registered to a network. i tried installing a firmware downloaded from sammobile but still it is the same. i tried searching internet and couldn't find a better solution. my efs folder is messed up i suggest. what should i do. can any expert help me on this ???

Hi,
I suggest you ask the experts who own your device for help here in this thread from your device section,
http://forum.xda-developers.com/showthread.php?t=2192886
Good luck!

[Completed] Can't Update OTA on HTC One M7 because of Variant System Version Message

Hi guys,
I really need your help. I do not know anything about root, boot loader or anything. I just recently got an official refurbished HTC One M7 from Ebay and when I got it, I could update it because after the file downloaded from the software update menu it said a message of Variant system version. I searched all the threads for something but nothing. The bad thing is that a do not have a PC nor a one to borrow, I have a Mac :s , and I am limited to what I can do. Please can someone help, I am loosing my mind over this. Thanks.

XDA Visitor said:
Hi guys,
I really need your help. I do not know anything about root, boot loader or anything. I just recently got an official refurbished HTC One M7 from Ebay and when I got it, I could update it because after the file downloaded from the software update menu it said a message of Variant system version. I searched all the threads for something but nothing. The bad thing is that a do not have a PC nor a one to borrow, I have a Mac :s , and I am limited to what I can do. Please can someone help, I am loosing my mind over this. Thanks.
Click to expand...
Click to collapse
Hello, and welcome to XDA Assist! The best thing to do would be to register and ask in the dedicated help forum for your device: One (M7) Q&A, Help & Troubleshooting.
Good luck!

baseband error [USA]

Hi all,
My nexus 5 (accordint to the back cover D820) is locked on USA band, so now I want to access the Netherlands network and it's blocked.
I try to find in the forums how to solve this problem but it seems that everything that I tried still does not work.
@bitdomo tried to solve it with a custom rom, but it's only available for nexus 5x:
http://forum.xda-developers.com/nexus-5x/help/baseband-error-china-t3238867
and on the other hand, @Dringie, gave this solution, but the file is no longer available.
http://forum.xda-developers.com/showpost.php?p=54857245&postcount=84
Can someone help me solving this issue?
Thank you in advance,

Help me to use the GS7 please

Hello guys. My father bought me a GS7. It was Verizon but theres no sim lock. I have lots of problems. For ex when i restart my phone it forgets all wifi hotspots. Becouse Im using different carrier i cant update my phone. Please help me to fix this issues without losing simunlock. New rom root, I'll do everything about it. I need solutions please. My phone also freezing sometimes
Please help. Sorry for my bad english. Please help

[Completed] Galaxy S4 (GT-I9505) Stopped Detecting SIMcard

Hello there!
I am using Rooted Samsung Galaxy S4 (GT-I9505), since a month. Everything was working fine, until I came to this: No Sim ERROR
I have been using the cellular network for a month, and now suddenly, it prompts "No sim".
I have not tried any custom ROM.
Some relevant details are:
Baseband version: I9505XXUHOG1
Android: 5.0.1
Build Number: LRX22C.I9505XXUHOG1
Device Type: jfltespr
PDA Version: L720VPUAMDC
CSC Version: L720SPTGOD2
Now, either guide me about a way to get through this, or incase, final solution is installing Custom ROM, then please provide me a proper and active link of one (suitable for my device) and some necessary precautions, as it would be my first time, if it needs to be.
Guyz, please help ASAP, i m stuck, and cant use my Dialer anymore!
Thanks.

Hi !
I`ve found these threads
https://forum.xda-developers.com/ga...ow-to-fix-galaxy-s4-sim-card-removed-t3113480
https://forum.xda-developers.com/galaxy-s4/help/sim-card-sim-card-removed-errors-galaxy-t2932778
Have a look at them and there are even more like that here
Good luck !

Thanks, but nothing works for me!
xanthrax said:
Hi !
I`ve found these threads
https://forum.xda-developers.com/ga...ow-to-fix-galaxy-s4-sim-card-removed-t3113480
https://forum.xda-developers.com/galaxy-s4/help/sim-card-sim-card-removed-errors-galaxy-t2932778
Have a look at them and there are even more like that here
Good luck !
Click to expand...
Click to collapse
Nothing is brief so far!
I have tried many things (roms) and ended up with the so-called best one, CyanogenMod but no fruits. Please help me get it back. I am currently in a GSM area but my phone (Galaxy Sprint S4 (SPH-L720) supports CDMA, and after all the research and time I spent on this issue, I am sitting with no proper solution.
Please Help.
Thanks.