Questions on unlocking

Mar 14, 2014
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I can't find specific answers to some specific questions regarding unlocking. If I missed it, please point me in the right direction.

Just a few elementary questions regarding unlocking a carrier locked device. I know flashing doesn't unlock a phone. But you can pay $2 on ebay for an unlock code. What I wanted to know is:

a. If the unlock is successful and afterwards I flash the device with a custom rom, will the sim lock return?
b. Does the phone send any notification to the carrier upon unlocking? No point unlocking the phone only for the carrier to remotely lock it (if such a thing is even possible).
c. If the unlock is not successful, does the device retain any information regarding unlocking? If I do have to go to the carrier to unlock it, I don't want them going over the history of grey unlocking attempts. Also how often can I try before hard lock?
 

aspot72

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Jun 16, 2013
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I can't find specific answers to some specific questions regarding unlocking. If I missed it, please point me in the right direction.

Just a few elementary questions regarding unlocking a carrier locked device. I know flashing doesn't unlock a phone. But you can pay $2 on ebay for an unlock code. What I wanted to know is:

a. If the unlock is successful and afterwards I flash the device with a custom rom, will the sim lock return?
b. Does the phone send any notification to the carrier upon unlocking? No point unlocking the phone only for the carrier to remotely lock it (if such a thing is even possible).
c. If the unlock is not successful, does the device retain any information regarding unlocking? If I do have to go to the carrier to unlock it, I don't want them going over the history of grey unlocking attempts. Also how often can I try before hard lock?

No need to worry.
a- unlock is permament (you can flash whatever you want, but beware ROMs with SL {SIM lock})
b- no, but you can download CarrierIQ Scanner & Protection (Lookout labs ) from Play store :)
c- hardlock usually happends after 5 attempts with incorrect codes. But you can call your operator for unlock code and for small fee they will give you the code.