phone dropped and and on

If your device is dead after being dropped it is very likely that it has suffered serious damage. This will probably require professional repair. If you are VERY lucky it might just be the battery connection which you CAN fix. this guide explains how to open your phone and change the battery, when it's open, look for any obvious damage. If the battery connector is loose, reattach it. You will need to buy new adhesive at least. Whether the damage can be repaired cannot be determined without a knowledgeable technician examining the device. It may be unrepairable or cost too much. Some things you can repair but must have tools and know how. Good luck. You can always ask for more help! Note: Do not use a metal tool on the connectors.