Note 4 Internet Drop, Odd Sprint Texts, and No Sim Card Notification

[air2desk]

I have had the Note 4 since June and have had very few issues until recently.
Can anyone tell me what these text messages from Sprint mean? Also, my home Internet, which worked fine on my Note since new (and still works fine on all other devices and computers) has disappeared from my device. I was able to change channels on the router and it found it but now have download speeds between 0.45 and 15.0, with one going as high as 36.0 (on the note; they are consistently around 25-30 with everything else.)
Finally, I received a notification stating "no sim card found. Insert sim card." This just appeared this afternoon while on a bike ride.
Anyone have any idea what all this is? Just upgraded to 5.1.1.

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[air2desk]

//LL:1563:1440122849092:M41:X:TBRSjzY3LHF7X/x24nyQk6IEe44=:2628936979:1PI2AU3VSM3273B4AN1V4XPLORXC0AKM

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[air2desk]

//LL:1563:1440783760823FB:X:H9ym1QpO/g28K7+8xQ6nvVuIZOc=:2628936979:C6XKC0HSDZXIS4OURHE2WUKOKPZCUZRU

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[Rometheus]

I have had the Note 4 since June and have had very few issues until recently.
Can anyone tell me what these text messages from Sprint mean? Also, my home Internet, which worked fine on my Note since new (and still works fine on all other devices and computers) has disappeared from my device. I was able to change channels on the router and it found it but now have download speeds between 0.45 and 15.0, with one going as high as 36.0 (on the note; they are consistently around 25-30 with everything else.)
Finally, I received a notification stating "no sim card found. Insert sim card." This just appeared this afternoon while on a bike ride.
Anyone have any idea what all this is? Just upgraded to 5.1.1.

Sent from my SM-N910P using Tapatalk

I have no idea bro. Did you try to factory reset it?

~Blessed From My Note 4~

 

[air2desk]

//LL:1563:1440807722961:YDE:X:9DowxDr3n54HI9qZK9ocjCt0PoE=:2628936979:3B14P2BF4VDXNIT0ZEIV75ROIKNPG3YU

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[air2desk]

And there are emoticons with masks in texts.

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[Nitro211K]

I have gotten these texts sometimes when I restart my phone, and usually get the no Sim warning at the same time. All I have to do is restart the phone again And they both go away.

 

[sinfoman]

Dear Lord bro I have been fighting this since I BOUGHT my N4 (of course it occurred AFTER the return date w/ WORSTBUY). If you can find a soplution, let me know. Current best guess is it's either a) hardware related or b) something to do with the Connections Optimizer in the background. There are a NUMBER of threads about this. Do a quick Goog.

 

[SwaggTX]

Having the same problem. This came after the OTA update to the OS

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[Jason]

Had the same problem.. Rebooting the phone was only temporary and then it was happening about 5 times a week! Finally got sick of it and did a hard reset on my phone almost 2 weeks ago and it hasn't happened since.

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