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[Q] Samsung Galaxy S4 L720 shows Unknown Baseband, IMEI, Software Version and MEID

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mariodelacruz1214
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Default [Q] Samsung Galaxy S4 L720 shows Unknown Baseband, IMEI, Software Version and MEID

Hello,

I have a sprint Samsung galaxy s4 L720, unrooted on stock 4.3 baseband version L720VPUAMDC, the problem is that now it shows baseband, software version and IMEI as unknown and also it has an X up in the coverage bars so im unable to make or receive calls. I've never tried to root it or to change it's software. also on few occasions the info about IMEI and baseband comes back and I can make calls again but it just goes back to unknown after a while. also I've tried to reinstall the software and made several factory resets. I just don't know what can I do anymore.

help will be appreciated

thanks.
 
leaderbuilder
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Originally Posted by mariodelacruz1214 View Post
Hello,

I have a sprint Samsung galaxy s4 L720, unrooted on stock 4.3 baseband version L720VPUAMDC, the problem is that now it shows baseband, software version and IMEI as unknown and also it has an X up in the coverage bars so im unable to make or receive calls. I've never tried to root it or to change it's software. also on few occasions the info about IMEI and baseband comes back and I can make calls again but it just goes back to unknown after a while. also I've tried to reinstall the software and made several factory resets. I just don't know what can I do anymore.

help will be appreciated

thanks.
Really an unrooted MDC firmware?!
You haven't been getting update notices for months and months?
How long have you had the phone?
Was/is it flashed to another carrier?
How did you 're-install' the software? PC Odin? What version of Odin?
* MK2/NAE ROMs * NAE Modem * 4.3/4.4 Kernels * MF9 Bootloader *

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mariodelacruz1214
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Originally Posted by leaderbuilder View Post
Really an unrooted MDC firmware?!
You haven't been getting update notices for months and months?
How long have you had the phone?
Was/is it flashed to another carrier?
How did you 're-install' the software? PC Odin? What version of Odin?
*The only update I got was the 4.3 one.

*I have like 4 months with the phone.

*Yeah it is flashed to another carrier, I'm in a foreign country. it worked smoothly the first 2 months and a half.

*it wasn't me who re-installed the software. I had some cellphone repair shop do it.

hope this helps.
 
w7excursion
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Take it back to them to fix it.
Nandroid - drank
 
leaderbuilder
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Take it back to them to fix it.
^DO THAT^ It is their responsibility. Well technically your responsibility, but have them do what ever you need them to do.
* MK2/NAE ROMs * NAE Modem * 4.3/4.4 Kernels * MF9 Bootloader *

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mariodelacruz1214
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^DO THAT^ It is their responsibility. Well technically your responsibility, but have them do what ever you need them to do.
The problem is that it had the issue before they reinstalled the software they just couldn't fix it and they didn't even charge me, so I don't believe it's their fault. also I noticed that I have baseband version L720PUAMDC and Build number JSS.15.L720VPUEMK2. shouldn't these 2 be the same?
 
arys64
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Originally Posted by mariodelacruz1214 View Post
Hello,

I have a sprint Samsung galaxy s4 L720, unrooted on stock 4.3 baseband version L720VPUAMDC, the problem is that now it shows baseband, software version and IMEI as unknown and also it has an X up in the coverage bars so im unable to make or receive calls. I've never tried to root it or to change it's software. also on few occasions the info about IMEI and baseband comes back and I can make calls again but it just goes back to unknown after a while. also I've tried to reinstall the software and made several factory resets. I just don't know what can I do anymore.

help will be appreciated

thanks.
I had the same problem. To fix it I just reflash the original rom that it has with Odin. Ex.: Mine is NAE 4.4.2, so I flashed that with Odin PC.
Remember: IF ANYTHING GOES WRONG I'M NOT RESPONSABLE
Phone: Google Nexus 5
Rom: 4.4.2 Stock Rom [Rooted]
Recovery: TWRP
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