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SIM Card Blocked on Sony Ericsson K790a

Having trouble unlocking your SIM card? Read on for an easy solution.




The SIM card protects your subscription and not the phone from unauthorised users. If you change SIM cards you can still use your phone with a new SIM card. Most SIM cards are blocked at the time of purchase. If your SIM card lock is on you have to enter your PIN (Personal Identity Card) every time you turn on the phone.

If you enter the wrong password three times in a row the SIM card gets blocked. This is indicated by the message PIN Blocked To unblock this you need to enter your PUK

 Note:

card (Personal Unblocking Key). Your PIN and PUK is supplied by your service provider. You can edit your PIN and select a new four to eight digit number
  • If the Message Codes do not match appears when you edit your PIN you entered the new PIN incorrectly.
  • If the message Wrong PIN followed by Old PIN appears then it means that you have entered the old PIN incorrectly.

To unblock your SIM card:
  1. When PIN Blocked appears enter your PUK > OK
  2. Enter a new four to eight PIN > OK
  3. Re-enter the new PIN to confirm > OK

To edit your PIN:
  1. > Settings > the General tab > Security > Locks > SIM Protection > Change PIN
  2. Enter your PIN > OK
  3. Enter a new four to eight digit PIN to confirm > OK

To turn the SIM card On /Off
  1. > Settings > the General tab > Security > Locks > SIM Protection > Protection and select On or Off
  2. Enter your PIN > OK



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Comments
  • Posted by: dvillacosta_5981 at 08 Aug 21:38 permalink
    Hello, can you help me with my PUK code because my pin is blocked and my sim pack is already lost. Here’s my number 09324463199.my old # was 09226655211.Email me at dvillacosta@yahoo.com thanks to those hu cn help me, I really need this PUK code to unblock my sim..