If your SIM card is locked and requesting a PUK code, simply find the packaging and enter the provided PUK code. Unlock the SIM Card without a PUK code However, if you lose the SIM packaging and ...

How to update an unlocked phone without the SIM card If you’ve requested an unlock from your carrier, but have not got the original SIM card, or if you have acquired a locked iPhone from someone ...

After the unlock is complete ... If you want to change phone companies, remove your phone's SIM card by pushing the end of a paper clip (or Apple's SIM Removal Tool) into the SIM card tray's ...

[Jason] already knew what the SIM unlock command would look like; he just needed to capture the exchange between the WF721 and SIM card, find the correct byte sequence, and look at the bytes ...