boot IC damage problem

When i switch off the phone & on it, then it does not shows sim cards, shows "no service". also does not work "wi fi".

i meet the costumer care & they replace the "Boot IC hardware", But one month latter it again shows same problems. Give me the solutions.

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

crwdns2934109:0crwdne2934109:0

crwdns2889612:0crwdne2889612:0 1
crwdns2934285:0crwdne2934285:0