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S4 no signal...Help?

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By dssking, Senior Member on 2nd April 2014, 03:03 PM
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I finally got around to unboxing my S4 and foolishly took the update to 4.3 last month. I managed to root and install TWRP,
then sat it for a month till the battery arrived (Zerolemon 7500).

Okay, i loaded both Hyperdrive RLS15 and ShoStock..... phone operates fine, but when I insert my SIM,
it does know it's rogers, but NO SIGNAL.

Modem issue? I'm frustrated.........back on my S3 now.........

HELP??
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2nd April 2014, 03:17 PM |#2  
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If Odin the stock firmware. I believe you can get it at sammobile.com for the i337m which you appear to have. If you still have problems it's probably hardware related.

Also, make sure your apn is correct for Rogers

Sent from my Nexus 5
2nd April 2014, 03:55 PM |#3  
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It is likely your apn settings, there is also a 4.4.2 modem available for i337m in one of the threads
2nd April 2014, 04:30 PM |#4  
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Quote:
Originally Posted by Gage_Hero

It is likely your apn settings, there is also a 4.4.2 modem available for i337m in one of the threads

How do I set APN?? I've been in the Mobile Network menus, but there isn't an option to choose Rogers.

Frustrated!!! And I can't find find the modem............
2nd April 2014, 04:39 PM |#5  
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Quote:
Originally Posted by dssking

How do I set APN?? I've been in the Mobile Network menus, but there isn't an option to choose Rogers.

Frustrated!!! And I can't find find the modem............

Google Roger apn settings. Check those against what you already have. You might have to create a new apn or edit what you have

Sent from my Nexus 5
2nd April 2014, 04:49 PM |#6  
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Quote:
Originally Posted by dssking

How do I set APN?? I've been in the Mobile Network menus, but there isn't an option to choose Rogers.

Frustrated!!! And I can't find find the modem............

To add to it, I even went back to the stock 4.3 after I rooted and I have no connectivity........MODEM?
2nd April 2014, 08:58 PM |#7  
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Quote:
Originally Posted by dssking

To add to it, I even went back to the stock 4.3 after I rooted and I have no connectivity........MODEM?

I had a random thing happen once like that, sound strange but power off the phone, take out the sim, wipe it down, rubbing alcohol works good, make sure it is dry then fire up the phone again....
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