Sim Unlocked phone got locked again. Please help!

Guys, I unlocked my Sprint Note 4 successfully on 5.0.1 (OF5) using the idone app. Later I Odin it to stock COG5 5.1.1 tar. Once I did that, my hotspot and roaming options disappeared from settings. In order to get data working on my operator (non US CDMA), I had to write a dummy NV Dump and had to change few other parameters (trial n error). I finally got data working but I changed too many parameters. So I decided to ##RTN#, so that I can reset back those parameters and start fresh from begining.
Right after the reboot, it started to display "invalid card". I tried different sim but same result. I tried to Odin back to stock COG5 tar but it didnt help. Now that I'm on 5.1.1, I'm unable to use idone app to sim unlock again. And since I'm on COG5 firmware, cant downgrade as well.

Please help me out guys.

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Dead Again!

About six months ago, my Nexus 6 died. I charged it for hours but there was no sign of life, no battery outline, nothing happened when I pressed all three buttons at once, just nothing. Then about a day later it came back to life on its own.

Well, it just died again. The phone is completely dead. If I didn't know any better I'd say I had a short somewhere but it worked flawlessly for the last six months.

Any ideas on how to jump start it back to life?

Stop new system update, again!

I'm on a rooted nexus 5 running stock kitkat 4.4.4 and xposed framework. I have no wish to update the operating system. I was able to stop the system update notifications in the past by simply disabling 3 receivers :

service:com.google.android.gms.update.SystemUpdate Service$ Receiver

com.google.android.gms.update.SystemUpdateService$ ActiveReceiver

com.google.android.gms.update.SystemUpdateService$ SecretCodeReceiver

This worked for a while, then the system update notification appeared again! This time, to get rid of the notification I needed to use several adb commands:

1. adb shell su -c pm disable com.google.android.gms/.update.SystemUpdateService$ActiveReceiver
2. adb shell su -c pm disable com.google.android.gms/.update.SystemUpdateService$Receiver
3. adb shell su -c pm disable com.google.android.gms/.update.SystemUpdateService$SecretCodeReceiver
4. adb shell su -c pm disable com.google.android.gsf/.update.SystemUpdateActivity
5. adb shell su -c pm disable com.google.android.gsf/.update.SystemUpdatePanoActivity
6. adb shell su -c pm disable com.google.android.gsf/.update.SystemUpdateService
7. adb shell su -c pm disable com.google.android.gsf/.update.SystemUpdateService$Receiver
8. adb shell su -c pm disable com.google.android.gsf/.update.SystemUpdateService$SecretCodeReceiver

That worked - for a while..... 😠
The notification to update to 5.0.1 has reappeared again. What else should I do to stop it this time?

Appreciate any help.