Why is my old or previous lock pattern also working after changing my new pattern on my Android phone?

[AC Question]

Why is my old or previous lock pattern also working after changing my new pattern on my Android phone?

i changed my security screen lock pattern but i tried my old patterns both are running to unlock the screen or phone. and now whenever i am changing my new pattern all previous patterns are working. kindly give me reply what do i do now. because i changed my pattern after long time and seen this thing.. i have huawie y520 Andriod.

 

[B. Diddy]

Welcome to Android Central! Moved to the General Help forum. That definitely shouldn't be happening. I would guess it's a glitch in the Huawei firmware. Contact Huawei about this: Support - HUAWEI Consumer BG - HUAWEI Official Site