Clear all android apps caches with ADB command ->
# adb shell pm trim-caches "Size of Caches you want to delete"
Example : # adb shell pm trim-caches 256G

Some of Android phone can not use USB Tethering with PC after updated firmware. I found the way to fix this problem. Just do these ...

Date : Wednesday,29 June 2016
Writer : Ataya P

This is my final design PCB about solar charger circuit for Android's smart phone. Let's see...