1) Insert a non compatible SIM card to your locked ZTE Cell Phone,
2) Phone will prompt for Unlock Code (NP Code),
3) Enter the Unlock Code you received.
This method is not working?
1) Alright then please remove the SIM card and try this code ###825*09#,
2) Got the prompt for code? Please enter the code you received,
3) Failed above, try *983*8284# to access the Unlock Menu,
4) Failed above, finally try *983*865625# to access the Unlock Menu.
Any suggestion? Want to help us improve our Guideline to unlock ZTE R621J ? or those are not accurate ? Please contact us
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