updated apps, then you really need to seriously consider a purchase of a new iPad model OR a much, MUCH “newer” and less expensive, refurbished or used iPad models, from better known, trusted Apple product/device retailers/resellers, some locally or from online, on the Web/Internet, capab...
Before doing anything else, be sure to download iOS 8.4.1 IPSW from here which matches your iPhone, iPad, or iPod touch model. You will need that IPSW file, a USB / Lightning cable, and iTunes to get started. You should also make a backup of your device as it is now if you haven...