crwdns2933897:0crwdne2933897:0

Followed camera and battery replacement but no power to my iPhone 4s

I replaced the rear camera on my iPhone 4s along with the battery. The phone still won't power up or even take a charge.

Suggestions?

crwdns2934089:0crwdne2934089:0 crwdns2934093:0crwdne2934093:0

crwdns2934109:0crwdne2934109:0

crwdns2853045:0crwdne2853045:0 crwdns2853046:0crwdne2853046:0
crwdns2889612:0crwdne2889612:0 1

crwdns2942205:01crwdne2942205:0:

Did it boot on the charger before or was it in a non-working state?

crwdns2934271:0crwdnd2934271:0crwdne2934271:0

crwdns2934285:0crwdne2934285:0