S4 Mini from Sprint CDMA to GSM

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jcemp

Member
Oct 29, 2014
14
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I managed to unlock S4 Mini L520 from Sprint using alyatim unlock app because I want to use it GSM outside USA, the issue here is that the phone does not have GSM/UMTS under network modes just CDMA. But after searching I found that the phone has GSM/UMTS bands on it so here's comes my question: can I flash an GSM modem from another GSM S4 mini and will it work? Or will it brick the device?
 
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quanqw

Senior Member
Oct 10, 2011
348
23
33
Viet Nam
How do you unlock your phone ? Can you tell me ? My sph l520 can not reach any signal in Viet Nam although samsung sprint unlocker show phone is unlocked.
 
civicsr2cool

civicsr2cool

Senior Member
Sep 14, 2010
681
132
Sagnasty, MI
jcemp said:
I managed to unlock S4 Mini L520 from Sprint using alyatim unlock app because I want to use it GSM outside USA, the issue here is that the phone does not have GSM/UMTS under network modes just CDMA. But after searching I found that the phone has GSM/UMTS bands on it so here's comes my question: can I flash an GSM modem from another GSM S4 mini and will it work? Or will it brick the device?
Click to expand...
Click to collapse



Try using a i257m stock ROM from sammobile with odin, that's is the north American gsm version. If it doesn't work then you could always flash back.
 
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Q

quanqw

Senior Member
Oct 10, 2011
348
23
33
Viet Nam
jcemp said:
I managed to unlock S4 Mini L520 from Sprint using alyatim unlock app because I want to use it GSM outside USA, the issue here is that the phone does not have GSM/UMTS under network modes just CDMA. But after searching I found that the phone has GSM/UMTS bands on it so here's comes my question: can I flash an GSM modem from another GSM S4 mini and will it work? Or will it brick the device?
Click to expand...
Click to collapse
Setting is hide but it can be enable. It's not matter. My problem is my phone show no service, no signal although ssu show unlocked.
 
H

hassab_2013

New member
Sep 12, 2015
1
0
Hi
Yes please ! We need to use Galaxy SPH-L520 worldwide.
Any attempt is much appreciated. Please help!


Sent from my iPhone using Tapatalk
 
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    civicsr2cool
    civicsr2cool
    jcemp said:
    I managed to unlock S4 Mini L520 from Sprint using alyatim unlock app because I want to use it GSM outside USA, the issue here is that the phone does not have GSM/UMTS under network modes just CDMA. But after searching I found that the phone has GSM/UMTS bands on it so here's comes my question: can I flash an GSM modem from another GSM S4 mini and will it work? Or will it brick the device?
    Click to expand...
    Click to collapse



    Try using a i257m stock ROM from sammobile with odin, that's is the north American gsm version. If it doesn't work then you could always flash back.
    View

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