How to unlock my blu phone when screen lock?

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How do I unlock my Blu tablet if forgot my pin coad   more
Sadly the Blu studio software has disappointed me.   more
Tried the up and down volume it's not working! Do u know how else to unlock my blue bold phone.?   more
how do u unlock a blu studio 5.0 S if I cant remember the password   more
First you must remove the phone battery for like 20 ... pops up on the screen. You can use Volume ... there. This will unlock your phone but it will delete ... have on the phone (contacts, applications, etc.).   more

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