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SIM Unlocking Sprint L520 using S4 Modem

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By masterm584, Junior Member on 3rd January 2014, 10:34 PM
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I am attempting to SIM unlock my L520 that's running MK1 baseband. I am not able to find older modems to flash onto my phone in-order for me to sim-unlock it. Would it work for me to flash a Sprint GS4 modem onto my GS4 mini instead? Any ideas?
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7th March 2014, 11:14 PM |#2  
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Quote:
Originally Posted by masterm584

I am attempting to SIM unlock my L520 that's running MK1 baseband. I am not able to find older modems to flash onto my phone in-order for me to sim-unlock it. Would it work for me to flash a Sprint GS4 modem onto my GS4 mini instead? Any ideas?

Were you able to do so?

also may i have a copy of your baseband.. mine is on mk2 and i have been trying to downgrade it to mk1 or the previous one.
3rd December 2014, 09:53 AM |#3  
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i think don't work , i did try flash file modem of S4 L720 but fail ! my ideal must downgare OS 4.1.2 ...
10th December 2014, 04:09 AM |#4  
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Quote:
Originally Posted by masterm584

I am attempting to SIM unlock my L520 that's running MK1 baseband. I am not able to find older modems to flash onto my phone in-order for me to sim-unlock it. Would it work for me to flash a Sprint GS4 modem onto my GS4 mini instead? Any ideas?

Hi, im trying the same thing, but i have NJ1 baseband, any idea of unlocking this device?, i tried with SSU.APK but my device does not have the option for GSM/UMTS, i think a downgrade its necessary.
31st January 2015, 12:01 AM |#5  
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Originally Posted by rodorodo09

Hi, im trying the same thing, but i have NJ1 baseband, any idea of unlocking this device?, i tried with SSU.APK but my device does not have the option for GSM/UMTS, i think a downgrade its necessary.

Could you unlock this phone (L520)?
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1st February 2015, 07:54 AM |#6  
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Originally Posted by edj809

Could you unlock this phone (L520)?

Hello,nope, perhaps this device cannot be unlocked with this procedure. S4 mini is not supported for SSU.APK. I have successfully unlocked and rooted, S5 G900P, Mega L600 and S4 L720 and L720T, (L720T gets 3g and L720 Gets edge speed).
1st February 2015, 04:44 PM |#7  
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Originally Posted by rodorodo09

Hello,nope, perhaps this device cannot be unlocked with this procedure. S4 mini is not supported for SSU.APK. I have successfully unlocked and rooted, S5 G900P, Mega L600 and S4 L720 and L720T, (L720T gets 3g and L720 Gets edge speed).

can you explain me as I unlock please?
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9th March 2015, 05:44 PM |#8  
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Noone can help us.
4th September 2015, 10:55 AM |#9  
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xx
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