Phone drops signal on wake up/unlock - AT&T Samsung Galaxy S II Skyrocket SGH-I727

Almost every time I wake up my phone it completely loses radio signal and I cant get or receive calls. Happens on 3 different roms and radios. It started after I changed my cellular carrier so it may be related. It may also happen why the phone sleep but doesn't seem to anymore since the last flash and modem: sky-ics 4.2F with uclf5 modem, also mohans kernel 1.5.
I did tons of searching at the closest thing I found is a nexus issue which is related to the kernel smart reflex function which with my limited knowledge couldn't find in our kernel files so I could use a script to turn it off.
And ideas?

Update: I tried using my brothers sim card in my phone(he has a different carrier) and mine and his phone, his phone is a dumb phone. On the skyrocket there were no signal loss during the few hours I tested it. On his phone I couldn't see signal loss as well tho its harder with no log.
I'm guessing the skyrocket and the carrier are conflicting in the software/maybe hardware level. I don't have enough knowledge to know how its possible tho.
It never happened on my old carrier, and I'll be happy if anyone got a clue how to help me find the issue.
Oh also for a while after I returned my sim to the skyrocket the issue was gone until I restarted it.
Here's a picture that will show the wake+screen on and signal loss correlation:
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Related

[Q] Callers Can't Hear Me Until I Toggle Speakerphone

So I'm running Absolution ROM 3.3 on an Inspire 4G, coming from CM7. The issued started when I had CM7 however, and continues on the absolution ROM. I've flashed a few radios over the last year, messed with RIL's, and changed the kernel once or twice but did my research everytime. The problem is I can't pinpoint exactly when the issue started popping up...
Here are the details of the issue... if I haven't made a call in quite a while and then I make or receive a call the person cannot hear me. I must press "Speaker" and then they can hear me (I usually just press it twice so it switches it on and then off again since I generally have no need to use "Speaker"). After this, if I were to hang up and call anyone else, or receive a call, it will behave fine.
Here are a couple screen shots of my radio/RIL/etc...
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I tried flashing the recommended radio for Absolution ROM "12.56.60.25_26.10.04.03_M" but the issues persisted. I just reflashed Absolution ROM 3.3 upon reading this was sometimes necessary to make the RIL work with radio correctly but haven't had a chance to test it yet.
I find it interesting (or maybe not) that the recommended radio for Absolution ROM is "12.56.60.25_26.10.04.03_M" ... and prior to flashing the linked radio on Absolution thread I had "12.56.60.25U_26.10.04.03_M" but now have "12.56.60.25P_26.10.04.03_M". I am not entirely sure what the "U" and "P" mean.
Any suggestions are welcome.
U and P are different Hsxpa settings in build prop. 2 = u and 3= p. 1 is also p but no one uses that. As for the speaker phone issue I am not sure if anyone has found a fix. It is a common problem though. I think google may sync some old sense settings from the locations app that get carried over when syncing accounts but I have never had this issue so I don't know for sure.

can't tether - please help indentify the problem

Hi all,
Im having problems with tethering with my sensation and it is frustrating me. I've tried it with 2 laptops and also with my desktop and still no success. The wireless devices do recognize the phone with no issue and showing me full reception, but yet i cant browse and it seems something is blocking it.. is it something that has to do with the phone or is it that my cell provider blocking it?
here is a picture to demonstrate the problem. As you can see, the phone is identified with full reception and telling me it is connected, but theres the yellow mark which indicate a problem and it says "no internet access" although i am connected.
It is like that with every device i try to tether
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P.S
If it matters, then im using the Eleganicia sense 4 rom although this problem also happened with sense 3.6 roms as well
shame there are no replies as i'm having the same problem. it also happens with bluetooth tethering. All connects/pairs fine but no internet. I have mainly been trying to use this with my Nexus 7 for when i'm out and about. If it helps, i'm with Orange UK.
Any help would be appreciated!
Hi,
In order to set up tethering,I went to settings/more/tethering & portable hotspot/portable WiFi hotspot settings/ and then set my password and SSID
Turn on hotspot and mobile data,find my device,connected using the password,and everything worked.
Not sure if you missed any of those steps.

[Q] GPS not working

Hi,
I experiencing problems with my gps, as it seems to not be working. Don't think it has ever actually has been working, that all my positions where retrieved trough network.
Tried the following:
- upgraded to latest OS(4.4.3),
- updated all my apps
- tested in safe mode
- reset to factory defaults.
And it still doesn't retrieve any position, which makes me concerned it is hardware related. Attached a screenshot from my gps app and version of my nexus 5 Location is set to: High Acuracy
Anyone have any tips??
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I had a similar issue with my Nexus 5. No amount of rebooting/reinstalling was helping, until I realised one corner of my phone was pried open, probably when I dropped it the day before. I pushed it back in, and all of a sugged GPS is back to normal.
So I'm afraid your problem sounds like a hardware issue. Did you drop it recently?
Karolis said:
I had a similar issue with my Nexus 5. No amount of rebooting/reinstalling was helping, until I realised one corner of my phone was pried open, probably when I dropped it the day before. I pushed it back in, and all of a sugged GPS is back to normal.
So I'm afraid your problem sounds like a hardware issue. Did you drop it recently?
Click to expand...
Click to collapse
Nope, Did not loose it all, it was bought dec 2013. Guess I have to return it

[Completed] Emergency Calls only and No Service in i9082 (Grand Duos)

I have tried few custom ROM this month and all works fine. So on 15th Nov i was trying another ROM and it got hanged at Samsung logo so i flashed the stock ROM again. This time my both sim are unable to register on network both are showing Emergency Call only or No Service, I thought their might some problem occurred while installing so i re-flashed with original firmware, but my problem is still not solved.
Next day when i was on the way to office my both sim gets registered and was getting call and msg.... Whole day i was getting avg strength of signal but sometime Emergency Call only too.
I came home again my phone is showing Emergency Call only or No Service. (I Dont have network issue at home, i put my sim in another phone and checked) then i downloaded firmware 4.1.2 from sammobile and updated my device with 4.2.2 via WiFi.
still i am suffering with the same problem, i am unable to identify the problem.
Is their any god man who can help me in solving this problem.
Find Screenshot below
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Phone Status
Hello,
Try posting your question in the forum linked below, read through it to see if you see another user that had the same issue and how they fixed it if they did.
http://forum.xda-developers.com/gal...-thread-question-noob-friendly-t3163737/page3
Someone there may be able to help. Good luck.

Very weird problem about the emergency button in lock screen

Hi everyone,
The wired problem is every time I press that button, it won't show my emergency info but reboot my phone signal(signal bar will be empty with a "x" then come back automatically). It worked before, and I think this happened after I rooted my phone with Magisk.
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Any ideas about this? Thanks in advance.
Basic phone info: stock Rom 8.1, stock kernel
Solved: Because of a misconfigured theme file.
I think the phone changes (or resets?) some network configs as part of enhanced emergency services in preparation for you to dial 911. I just checked and mine does it too although I don't know about previous phones or android versions. I'm inclined to think it's more of a feature than is apparent.
cntryby429 said:
I think the phone changes (or resets?) some network configs as part of enhanced emergency services in preparation for you to dial 911. I just checked and mine does it too although I don't know about previous phones or android versions. I'm inclined to think it's more of a feature than is apparent.
Click to expand...
Click to collapse
Might be, but when it was working, it would show my emergency contact info. Right now nothing happened only got this problem (and just found the left up corner also said no service no sim card), and also no dial panel to dial 911

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