For SIM card PIN code please call your network service provider and ask for a PUK code to unlock your SIM card.
If you forgot your phone PIN code: Turn of your ZTE blade, press and hold the Power button together with the Volume Up button to access the recovery manu. Use the volume buttons to navigate the recovery manu and the power button to select. You will choose "Wipe data/factory reset" in the recovery manu and choose "YES" on the next screen.
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