Please Tell my how to Unlock ZTE MF60?

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Please Tell my how to Unlock ZTE MF60?
I pay 1 acountcredit(€) but no Password where is the password?
What i can do it now?

[Vincentas]

Unlocking this modem needs 7 credits.
How to use dc-unlocker and unlock your modem you can watch here:

https://www.dc-unlocker.com/tutorials

What username did you purchase credits for?

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User name :crank

[Vincentas]

User name :crank

Was it first time when you bought on this username? If yes, then you
made a mistake and bought as existing user. Send me private message with username you
would like to have and your e-mail and payment confirmation for this payment and I will create new account.
If you bought not first time on this username, then you can use remind
password function in dc-unlocker software.

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I don't have 7 credits!