If 10a is a Sunac brand mobile phone, but it has been discontinued now. If 10a mobile phone is a product of Zhejiang Dejing Electronic Technology Co., Ltd., which was established in 2009.
How to get a card from my mobile phone? When the mobile phone is turned off, find the card slot at the upper left of the mobile phone, take out the card holder with the card fetching needle attached to the mobile phone, vertically insert the card fetching needle into the small hole at the edge of the card slot, and press hard to make the card holder pop up.