No siginal after flashing PAC-Man ROM v22.2 [Help Fast Please!] - AT&T Samsung Galaxy S II SGH-I777

I can't browse the web or text or anything. I tried adding the APNs I needed but it wouldn't show up after I saved it. Need help fast please!

iWrangleKoalas said:
I can't browse the web or text or anything. I tried adding the APNs I needed but it wouldn't show up after I saved it. Need help fast please!
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Check your imei to see if it has been corrupted. It would be under About Phone

brandonarev said:
Check your imei to see if it has been corrupted. It would be under About Phone
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How will I know if it's corrupt? It's a jumble of about 20 numbers

iWrangleKoalas said:
How will I know if it's corrupt? It's a jumble of about 20 numbers
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It would say null. So you're good then on that.

Any other suggestions ?
Sent from my SAMSUNG-SGH-I727 using xda app-developers app

Check your modem. Try flashing a new one.
Sent from my SGH-I777 using xda app-developers app

I'm a bit new to all this, not sure what that means
Sent from my SAMSUNG-SGH-I727 using xda app-developers app

iWrangleKoalas said:
I'm a bit new to all this, not sure what that means
Sent from my SAMSUNG-SGH-I727 using xda app-developers app
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The modems can be flashed separately without changing your base firmware. Go to the modems thread in development and try some of the more recent ones. In the about phone screen, your baseband will be the modem.
Different folks get differing results in different geographical areas.

creepyncrawly said:
The modems can be flashed separately without changing your base firmware. Go to the modems thread in development and try some of the more recent ones. In the about phone screen, your baseband will be the modem.
Different folks get differing results in different geographical areas.
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So all I have to do is pick one and flash with clockwork mod and see how it works for me?

iWrangleKoalas said:
So all I have to do is pick one and flash with clockwork mod and see how it works for me?
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Yep. That's it. Try several of them, or all of them. It's relatively painless. I actually have all of the zip files on my sd card.

Related

Modems

I don't know much about modems but I'm on cm10 right now and wondering if I need to change my modem at all. When I look at my phone it says baseband version I717UCLE2 is this the correct modem and if not how and where do I flash the correct one for my rom? I have searched but don't really know what I'm searching for, wasn't sure if the Tom included the correct modems, thx guys
Sent from my SAMSUNG-SGH-I717 using xda premium
Are you getting lots of dropped calls? If you already get good service there isn't much reason to switch.
If you want to do it it's pretty easy.
You use CWM or TWRP recovery or Odin3 on a pc.
Then you simply flash the modem zip and reboot.
Nope no dropped calls is that all a modem is for? I get good signal and all that as well. I don't want to fix something that's not broken. Thx for ur help
Sent from my SAMSUNG-SGH-I717 using xda premium
I would stay on that modem. Yes, the modem handles calls, sms, mms, data. If you are good with these services, stay with your modem.
Deleted since I gave bad advice.
False: Nandroids do not contain the modem.
To test one out you would need a zip of your original modern to flash back to, a nandroid will not restore it.
VoluntaryMan said:
If you're just curious you wouldn't hurt anything by doing a nandroid backup and trying the UCLF6 modem. If you get worse signal or anything you can always revert to the backup. I personally like being on the newest version of everything.
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Like the lady said - it works fine.
It is possible to mess up by trying a modem.
rangercaptain said:
Like the lady said - it works fine.
It is possible to mess up by trying a modem.
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Wow, I had no idea! Learn new stuff every day I guess.
Sent from my SAMSUNG-SGH-I717 using xda app-developers app
There are many posts from users who borked their IMEI by flashing a modem. That number identifies each phone on the network.

Can't get data to work

I am new to the i-777 and am hoping I can get an answer to a problem I'm having. My data arrows and or the H+ symbol light up showing that data is flowing but when I open my browser or any app for that matter,they have no connection. Data arrows show its flowing but its like the data isn't reaching them.When I pop my sim in any other device data works just fine.I've tried clearing cache,dalvik-cache,factory reset and even 3 other Roms all to no avail.Suggestions? I appreciate any help I can get.
Sent from my SGH-I777 using xda premium
Have u tried flashing a different modem?
Are you sure you have correct APN defined?
Phalanx7621 said:
Have u tried flashing a different modem?
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I haven't tried that yet but that is an A1 suggestion.I will give it a try and report back.Thanks!
Jack_R1 said:
Are you sure you have correct APN defined?
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Yes I have the correct APN's defined.Was my first thought but no dice.Thanks though!I'm willing to give all suggestions a whirl.
Can someone suggest a comprehensive modem guide?I'm not a noob by any means but I am a noob to i777.
bob24260 said:
Can someone suggest a comprehensive modem guide?I'm not a noob by any means but I am a noob to i777.
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There is a modem sticky in dev or general forums I forget
Bleh
Here. I use uckh7.http://forum.xda-developers.com/showthread.php?t=1361393
Phalanx7621 said:
Here. I use uckh7.http://forum.xda-developers.com/showthread.php?t=1361393
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I'm currently on SlimBean and just flashed ULCE5 and still a no go.Am I correct in thinking the uckh7 wouldn't work on Slim?Not trying to sound ignorant,I am just new to the device and I've read so much my eyeballs are about to pour blood
bob24260 said:
I'm currently on SlimBean and just flashed ULCE5 and still a no go.Am I correct in thinking the uckh7 wouldn't work on Slim?Not trying to sound ignorant,I am just new to the device and I've read so much my eyeballs are about to pour blood
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Modems aren't rom specific. Or firmware specific. U can use any.
Phalanx7621 said:
Modems aren't rom specific. Or firmware specific. U can use any.
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MMS is working just fine but still no connection on anything else.I'm stumped.
Sent from my SAMSUNG-SGH-I777 using xda premium
Here's a screenshot View attachment 1404119
Sent from my SAMSUNG-SGH-I777 using xda premium
Well I'm stumped too to be honest. The only thing I can suggest is doing a complete wipe and using odin to return to stock and see if that works. Then upgrade or flash whatever u want from there if that works. Here's some one click programs to return to stock from creepyncrawly. http://forum.xda-developers.com/showpost.php?p=18859438&postcount=199
go to the "dial" icon, just as you were making a call, and press *#*#0011#*#*, now, press the back "arrow", go to "phone control", then "Network Control", and to "band selection", and select the correct band for your location(when i bought this phone, it was full on wcdma, and here we use GSM), and be sure to enable "data package" in the configuration.
i hope this could help you
nisssan18 said:
go to the "dial" icon, just as you were making a call, and press *#*#0011#*#*, now, press the back "arrow", go to "phone control", then "Network Control", and to "band selection", and select the correct band for your location(when i bought this phone, it was full on wcdma, and here we use GSM), and be sure to enable "data package" in the configuration.
i hope this could help you
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Why take him through this process instead of just going to the settings menu? Also he said he's wiped and gone to several different roms and the problem persisted. Which wouldn't make sense if it was a setting like what you've posted, because it wouldn't stick between different rom flashes.

AOSP modem for 4.2.1?

Just wonder what modem people are using for AOSP Jellybean 4.2.1/4.2.2? Should i just use the lastest samsung jellybean modem? Or is there a specific optimal modem?
Sent from my SGH-I777 using xda premium
It's location dependent. Like everything else here, TRY IT
there is no such thing as a 'AOSP modem'
there are different zip files depending on what rom you are on, simply because of the different flashing methods between the 2...the actual modem.bin's are the same.
Pirateghost said:
there is no such thing as a 'AOSP modem'
there are different zip files depending on what rom you are on, simply because of the different flashing methods between the 2...the actual modem.bin's are the same.
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Yes I know theres no such thing as a aosp modem. I should have put a comma between the two.
Sent from my SGH-I777 using xda premium
I personally use uckl7 modem, found it to be the best for my area rural California mountains. Just test each one out for while to see what the best one for you is. I don't think there is an almighty best modem.
Sent from my SGH-I777 using xda app-developers app

[SOLVED] LTE gone.

Might be a coincidence but who the heck knows,
I flashed the n4 conversion today to test something and when I returned to stock I no longer have LTE.
It doesn't seem to be the area because my tablet has LTE and is working fine.
my baseband is APQ8064/MDM9x15M
any idea what might be wrong?
Re: LTE gone.
gunnyman said:
Might be a coincidence but who the heck knows,
I flashed the n4 conversion today to test something and when I returned to stock I no longer have LTE.
It doesn't seem to be the area because my tablet has LTE and is working fine.
my baseband is APQ8064/MDM9x15M
any idea what might be wrong?
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Ether you still have your n4 radio if you installed it or your Misc partition could be all ****ed up.
Sent from my LG-E970 using xda premium
Re: LTE gone.
gunnyman said:
Might be a coincidence but who the heck knows,
I flashed the n4 conversion today to test something and when I returned to stock I no longer have LTE.
It doesn't seem to be the area because my tablet has LTE and is working fine.
my baseband is APQ8064/MDM9x15M
any idea what might be wrong?
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from what I have seen and read u have to flash the att modem and ur u will get ur lte back.....
Sent from my LG-E970 using xda app-developers app
iamtha1 said:
from what I have seen and read u have to flash the att modem and ur u will get ur lte back.....
Sent from my LG-E970 using xda app-developers app
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I've been looking for the modem and can't find it got a link?
gunnyman said:
I've been looking for the modem and can't find it got a link?
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have to flash it via fastboot, extract it from the http://forum.xda-developers.com/showthread.php?t=2117576, all the fixes include the modem, just have to extract it first
ok I flashed the modem in fastboot and my baseband didn't change so I assume that means I have the right modem and have had it all along.
gunnyman said:
ok I flashed the modem in fastboot and my baseband didn't change so I assume that means I have the right modem and have had it all along.
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You tried LGNS back to stock again? or erased all data fastboot -w?
Fidelio_o said:
You tried LGNS back to stock again? or erased all data fastboot -w?
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yes I LGNPST back to stock then erased data
gunnyman said:
yes I LGNPST back to stock then erased data
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Might just be borked, I had a similar experience, shell nut in irc helped me out. might want to stop there. Sadly dont have out convo saved or I would of linked you. Or just basic making sure your on gsm,cmda,lte in network lol? sometimes is the small things that we overlook.
Try *#*#4636#*#* and see if you can pop up to a menu and select automatic for the modem
That code brings up no menu at all I assume that means a fscked misc partition
I found a link to fix that
Re: LTE gone.
gunnyman said:
That code brings up no menu at all I assume that means a fscked misc partition
I found a link to fix that
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that is not what that means. You just need to somehow get into your service menu. Maybe the code was wrong or you put it in wrong or something.
Sent from my LG-E970 using xda premium
Dr0!dFreek said:
that is not what that means. You just need to somehow get into your service menu. Maybe the code was wrong or you put it in wrong or something.
Sent from my LG-E970 using xda premium
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ok
thanks
I'm LGPST back to stock right now.
I called AT&T and verified there isn't a service problem
Turns out LTE was turned off
I used the APP here http://forum.xda-developers.com/showthread.php?p=38805389#post38805389
to turn it back on
Back up and running
Thanks for all the help guys
Re: LTE gone.
is your network mode set to the one with lte in it, also u might wanna check your apn!
Sent from my LG-E970 using xda app-developers app

Modems/Radios for this phone

Hi, I'm a bit confused when it comes to modems/radios. I currently am on i717UCMD3, and it runs pretty great on T-Mobile. But I want to find another modem to see if it's any better when it comes to reception. However, I can't find any other modems that are for jellybean. I was wondering if anyone had links or anything to other modems?
Thanks!
MadnessG said:
Hi, I'm a bit confused when it comes to modems/radios. I currently am on i717UCMD3, and it runs pretty great on T-Mobile. But I want to find another modem to see if it's any better when it comes to reception. However, I can't find any other modems that are for jellybean. I was wondering if anyone had links or anything to other modems?
Thanks!
Click to expand...
Click to collapse
Read here, here and here proceed at your own caution
As long as its a modem for this device, you can flash away. Take em all for a test drive. Just flash modems, no need to reflash rom with them.
Sent from my SAMSUNG-SGH-I527 using xda app-developers app
captemo said:
As long as its a modem for this device, you can flash away. Take em all for a test drive. Just flash modems, no need to reflash rom with them.
Sent from my SAMSUNG-SGH-I527 using xda app-developers app
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Thanx for that input - I need a modem too. Mine sucks i717UCMB4, so I will go through them also. will update.
BTW Do you mind to share what modem you have, how you like it, and rom & phone network? Thanx!
jayinc11 said:
Thanx for that input - I need a modem too. Mine sucks i717UCMB4, so I will go through them also. will update.
BTW Do you mind to share what modem you have, how you like it, and rom & phone network? Thanx!
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I am on At&T and have never had an issue with whatever modem comes with the rom. Then again, I treat the modem like I do the kernal. It should work with whatever comes with the rom. If it doesnt, for the most part, I wont run it. Right now I am running Hellybean. I was one of the first to try for our device. Lots of options and doesnt suck battery like the KK's.
Sent from my SAMSUNG-SGH-I527 using xda app-developers app

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