User Activity

The Gyroscope sensor on my phone doesn't work. 
Battery Packs are out of stock! When they're going to replenish? Are there any higher capacity battery packs coming? 
My this SD card is not supporting by the phone what  should I do? 
When we can have support of Qualcomm Quick Charge 3.0? Current 2 ampere one is slowing due to batteries high capacity.
Can I refurbish my working phone? It has some scratches on the side frame which looks bad.